Insulation of a well from concrete rings: the causes of freezing and the necessary materials

Comfort and energy efficiency during the winter months depend on keeping your house warm. The well is one place that is frequently disregarded but can lose a lot of heat, particularly if it is constructed of concrete rings. Because concrete is a good conductor of cold, if the well isn’t properly insulated, cold air may enter your home through it.

Insufficient insulation in a concrete ring well can result in various problems. Freezing in the wintertime is one of the most prevalent issues. The moisture in the ground surrounding the well may freeze as the temperature drops, shattering or cracking the concrete rings. This not only jeopardizes the well’s structural integrity but also lets chilly air into your house, increasing the workload of your heating system and raising your energy costs.

Using the proper materials for well insulation is crucial to keeping your home warm and comfortable during the winter months. There are many options for insulation; the important thing is to select materials that are strong, resistant to moisture, and offer adequate thermal protection. Insulating blankets, spray foam, and rigid foam insulation are frequently used materials for insulating concrete rings.

Not only does proper well insulation keep the cold out, but it also promotes sustainability and energy savings. Investing in high-quality insulation materials and making sure they are installed correctly will help you minimize heat loss, cut down on energy use, and make your home greener. Thus, if you haven’t given concrete ring insulation any thought yet, this is the ideal moment to do so!

How to choose a heater for a well of concrete rings

It’s essential to select a heater that won’t absorb water if you want your well to have excellent thermal insulation. Preference should be given to the following types of thermal insulators:

1. Styrofoam. This building material is very popular among consumers. He notes a low level of thermal conductivity, adequate cost, ease of use, sufficient resistance to deformations while moving the soil. In addition, there are no difficulties in the installation with sheets of polystyrene, they are convenient to process, cutting. On the market you can also purchase a semicircular material. Such elements are simply fixed on concrete rings using dowels-zontics. The waterproofing layer is laid on top. At the end of the work, the pit around the well is protected by soil. The only minus of the foam is its damage to rodents that hide in it for the winter.
2. Extruded polystyrene foam. This material is very similar to polystyrene, but has more improved indicators: lower thermal conductivity, increased resistance to serious loads. Use it effectively for thermal insulation of wells from concrete rings, but at a price the foam wins here. On sale, the material is presented in the form of plates. The optimal width for insulation of hydraulic power is 30 cm. You can lay them on the surface of the concrete structure. As for the technology, it is the same as using foam. At the end, the docking places must be blown out using mounting foam.
3. Polymer insulation with a cellular structure. The roll heat insulator is characterized by a low level of thermal conductivity, sufficient flexibility, resistance to a humid environment, and large loads. It is quite suitable to insulate the well from freezing. The demanded by his representatives are isolon, foam, foam. There is a self -adhesive product. In the absence of a sticky layer, it is good to use the glue composition for external work on the concrete surface. The docking places in order to avoid penetration inside moisture should be glued with a tape. The finish step will be backfilling with soil.
4. Poliuretan foam. The material is used by spraying to the processed surface. When the mixture hardens, a strong coating will appear that does not need additional waterproofing. Among the advantages of the insulation is highlighted: low thermal conductivity, plasticity, ability to withstand heavy loads. The material is not damaged by rodents, insects. Of the minuses, only high cost, attracting specialists.

Crucial! It is improper to use mineral wool to insulate wells from concrete rings thermally. It quickly absorbs moisture from the soil, freezes, and compromises the integrity of hydraulic power in the absence of the appropriate waterproofing layer.

The best thermal insulators and insulation options

Types of materials	Characteristics	Advantages	Flaws
Styrofoam	Foamed plastic slabs in size 90 x 100 cm, 100 x 200 cm. Thickness 5-15 cm. Density 5-10	Does not destroy when water gets on it. Does not absorb moisture. Light and durable. Easy to install. Durable to use. Not afraid of an aggressive environment, dirt, ground and wastewater clay	Practically does not breathe. After installation, the formation of ventilation holes between the shaft body and the insulation is required
Foam polystyrene	Plates from 90 x 100 to 100 x 110 centimeters. Rectangular appearance. Kant with a crest is allocated along the edges	Dense material. Suitable for insulation in places with very low indicators of negative temperatures. Not afraid of moisture and dense ground deposits. Has grooves for more reliable fastening to each other	The square slabs of polystyrene foam are difficult to fix on a round reinforced concrete ring. The gaps will remain between the joints. High price of the product
Poliuretan foam	Liquid chemical mixture, which contains polymer substances, polymochevin and other elements. Applied by a high pressure apparatus	After hardening, it gains strength during the day and does not change in the next 50 years. Sprayed with a special gun on any surface. Harmless to humans and animals material. Practically does not require preparation	Hardware application. Yourself such foam polyurethane cannot be used
Penophol	Soft material. On the inside, the polystyrene component provides a tight fit of the insulation to the walls of the mine. On the outer side, the foil base prevents the release of heat. Produced in a roll 100 cm. Up to 20 m long. Carpet thickness 12–20 mm	The simplicity of installation and the durability of the insulation are achieved due to polymer technologies. Tightly adjacent to the walls, providing constant protection of the source from freezing	Unstable to mechanical effects
PPU shell	Foamed cylinder of different diameters. From 100 cm to 200 cm. Divided into two halves. There is a groove and a comb along the entire length of the longitudinal section. Thickness 5-15 cm	Ease and simplicity of installation. No gluing or the formation of a protective layer from the outside is required. Additional preparation of the base is not necessary	High price of the product

How to warm a well for the winter with your own hands

You need to adhere to a specific technology in order to properly insulate a concrete well. The kind of thermal insulation material used will determine this.

Insulation of a well from concrete rings with a foam

To heat the well, the following supplies and equipment will be needed:

• sheets of extruded polystyrene foam (foam);
• mounting foam for processing joints;
• finishing;
• acute knife for cutting insulation;
• Sadovaya shovel;
• wheelbarrow;
• screwdriver;
• saw;
• glue;
• Fasteners (metizes).

The following is a step-by-step procedure for using foam for thermal insulation:

1. Dig a pit from 0.5 m around a well. Such a depth will be enough for external thermal insulation of the concrete structure.
2. Glue the foam on concrete rings. It must be cut into fragments 100 mm wide. Layers should be 2, the next goes with the overlap of the seams of the first.
3. Penalize the docking places, otherwise the hydraulic power will freeze.

With profiled sheets, you can clad the well-insulated area. They are fastened with self-tapping screws to a pre-installed frame. You have the option to use stone or street tiles in place of corrugated board by adhering them to the adhesive composition for exterior work. It is advised to use dowels to secure the cladding to the net for improved fixation.

Insulation of the well by polystyrene foam

You’ll need the following to prevent the well from freezing:

• mounting foam;
• plaster;
• dye;
• Polyteral foam plates.

Guidelines for insulating hydraulic power in concrete:

1. Around the well, make a pit 20 cm wide and 50 cm deep. In order for the heat insulator to perform its function more efficiently, the walls of the well must be cleaned of the soil.
2. Lay the first layer of blocks of polystyrene blocks, nullifying the gaps between them as much as possible. For sealing, the docking places are propen. Similarly, the second layer is laid on the well.
3. Purrender thermal insulation material. Thanks to this technique, it will be possible to prevent the destruction of the thermo -insulating layer as a result of the exposure of the sun. When the plaster is completely dry, they proceed to staining. Fall asleep the pit, tamp the soil.

Insulation of the well in the country with polyurethane foam

Of the supplies and equipment required, you must get ready for:

• collapsible version of metal formwork;
• wooden bars;
• dowel;
• polyurethane foam;
• paint;
• plaster;
• Polyethylene material.

Comprehensive guidelines for well insulation:

1. Form a pit with a width of not more than 10 cm.
2. Around the first ring, place wooden bars at a distance of 40 cm from each other. After that, make a formwork of sheet steel according to the circuit circuits. Place the polyethylene film inside. Fill in a trench polyurethane foam. At the end of drying, the formwork is removed.
3. The surface is hungry and paint.

Insulation with cellular polymeric materials

Thermal insulation of reinforced concrete rings is relatively easy and straightforward because it is done in a roll form. Since the majority of the materials are self-adhesive, extra fixing to the concrete surface is not necessary. The following elements make up the entire process:

1. Make preparatory measures on the outer side of the well. Processing is carried out using a special primer to increase the adhesion of the concrete surface and heat insulator.
2. If the insulation does not have an adhesive base, it must be fixed by applying the glue of the external purpose. The docking places must be glued with a tape.
3. At the end of the work, the trench is covered with soil, tamped.

Foam glass is one of the most commonly used mineral-based cellular materials; it is created by employing a unique technology to foam silicate crumbs. Positive attributes of the material include ease of use, good thermal insulation, and environmental friendliness. Only the exorbitant expense stands out among the drawbacks.

External ground -based insulation of the well

Two strategies for upper ring and head warming can be used:

• Installation of thermal insulation material on the walls of the well located above the soil level. The work procedure will be similar to the underground insulation described below. The difference is that there is no need for digging a trench to free the underground part of the well pipe, and mounted thermal insulation material needs protection, in the form of a decorative finish by a brick or timber. It is worth noting that this type of work has the least effectiveness, but can be performed in conjunction with other types of insulation;

• Construction of a wooden house above the head of the well. The house compensates for the temperature difference and protect water from garbage.

External underground insulation of the well

A time-consuming method that lets you permanently forget about freezing issues. We’ll talk about it in greater detail.

The well pipe insulation starts one to one and a half meters below the soil’s freezing point. With this strategy, even at very low temperatures for the area, there will be no chance of freezing.

Well -insulation of the well – is it necessary, and how to do

You need to consider insulating the well yourself if you live in a country home or visit one throughout the year. It doesn’t matter because it is the only source of water supply or because the water it produces is only used for irrigation and practical needs.

In any case, this structure lacks freezing resistance to preserve the integrity of the design and water quality.

Why do it

Those who use the well exclusively during the warm season or who have not yet experienced freezing water in the mine may experience this problem.

What threatens the freezing of water in the well

It should not be assumed that well insulation is only required to allow access to the water year-round without shattering the ice crust that forms on the surface on chilly days. Who wants to do this at a time when I also don’t want to stick my nose out into the street, even though it’s also very important?

However, there are more favorable conditions:

• Frozen water has the ability to expand, crushing the walls of the well and causing their deformation and destruction. What if its level converges with the joint of the rings, their displacement can occur with impaired tightness of the well mine.
• The thickness of the ice can be about several tens of centimeters. Such a block owns a large weight and when falling down when trying to break through it or, in addition, when a water level decreases, not only the walls of the well, but also the water -lifting equipment in it.
• If a submersible pump is installed in the well, and it gets into the freezing zone, it will not turn out to pump out water, and the device itself will be broken.

At a time when it is possible to do without insulation

Certain wells don’t require insulation.

Among them are:

• Structures of wells with a chopped wooden mine. The tree retains heat well, and the water in them will not freeze;
• Wells in which water level is deep, below the level of freezing of the soil;

• Wells located in the regions with warm winters.

In these situations, the instructions simply call for a roof device, a canopy over the neck, or equipment with a lid to shield the water from dust, debris, and precipitation in the atmosphere. (In cm. Furthermore, the article explains how to install a well’s plastic cover.

The construction of a well house

In addition to adding style to your source, a decorative house will shield it from the elements. In order to accomplish this, 1.5–2 meters of soil are removed from the area close to the well in each direction. Sand or small crushed stone is then used to create a blind area. (In cm. The article also discusses how to choose wooden ornamental wells.)

They build a brick, wooden, and stone home on it. The most important thing is to use a heater—expanded clay, polystyrene, etc.—to fill the space between the neck well and its inner walls.

Next, a horizontal cladding is installed to provide security insulation from the liquid and a finished appearance for the construction.

Hot cover device

A variety of materials can be used to make the lid. The simplest is constructed of wood. But it needs to be done like a "sandwich" for the lid to retain heat effectively. A well-designed masonry structure with a heater is an example of this type of structure; however, in our situation, the outer and inner layers must be made of moisture-resistant plywood.

Along the inner diameter of the mine, two circles are cut out of it, and foam or polystyrene foam is placed in between. Oil paint must be applied to plywood to provide liquid resistance.

The cover descends into the well below ground level using cables fastened to hooks inserted into it, making sure that its lower plane stays above the water’s surface.

Please take note that if you don’t drill a hole in the lid and insert a tube for ventilation, the water quality will decline.

Wall insulation

If your region has a hard winter and the well is composed of cement rings, the above methods will not work. Since this substance cannot retain heat and freezes to the same depth as soil, it must be kept separate from it.

Digging a trench around the well to the depth of the soil’s freezing is necessary before he warms it from the cement rings.

Now that the walls are clear of debris, work can begin.

• The insulation of the well by polystyrene foam is the most simple and affordable option. This material is produced not only with slabs, but also in the form of semi -cylinders of various diameters, which allows them to be used for both square and round structures. The connecting elements of the spike-paz on the edges simplify the installation, the main one is to choose the diameter correctly.

Because polystyrene foam is not very resistant to UV light, the well’s above-ground insulation should only be painted or covered with foil for protection.

• In addition, insolon insulation will not require any effort – this material has an adhesive base and is easily glued to the walls. Its external side is covered with a layer of foil.
• Good insulation for the well – polyurethane foam. It fills all the cracks and cracks in the walls of the well, forming a solid seamless layer at the end of solidification, which does not absorb moisture and does not secrete harmful substances. But, like polystyrene foam, it needs to be secured by sunlight. This material is applied with special equipment, in which the components forming foam are mixed under pressure.

Note: Working with polyurethane foam is only feasible during warm weather; otherwise, foaming will be poor and material consumption will increase.

Because everything that is suggested for material insulation is quite inexpensive and can be completed by hand, you shouldn’t ignore the well’s insulation. Failure to complete this task by the deadline will result in much higher repair and replacement costs for any damaged equipment.

Insulation of a summer cottage from concrete rings

In actuality, there are no major issues with the well’s upper ring’s thermal insulation. This procedure’s methodology is simple enough, albeit outdated. If you could just give a quick explanation, the concrete upper ring needs to be pasted over the well-known polystyrene foam.

Let’s take a closer look at how the work will be done.

1. The wall ring must be dug up for twenty centimeters – to the depth of ground freezing. And all you will have to delve into approximately 1.2 meters. Since doing this is not very comfortable, you have to dig a rather large foundation pit. If you count the rings from above, then it is enough to do 20 cm deep below the junction of the 2nd first rings.
2. We take the layers of a foamed polymer and cut it into stripes of 20 cm wide. The material of high density is more suitable, and the best option will be to purchase an extensive or ordinary foam.
3. The wall rings are cleaned of dust and dirt, moisten them with water, glue the parts of the prepared foam polymer with special glue.
4. When the surface of the ring is fully glued, the cracks between the individual stripes of the foamed polymer are filled with foam for installation. Its residues are cut off after complete drying, the soil around the well is poured, the well itself is put in order.

A net is added to the structure to improve its strength before they are covered in a layer of plaster to prevent the foam used for installation work from burning out in the sun’s rays and the foamed polymer from degrading. Although this option works well, it is not helpful in any situation because the cold can seep through and through the top.

Because of this, moving on to the next insulation technique using your own hands will be preferable, no doubt.

Production of a warm shutter

A warm shutter: what is it? It is important to note that this is a specialty cork that has been perforated with tiny holes. One of them guards against water damage and acts as a ventilator. The second one is meant for a nanosa hose that is fenced. For a summer cottage that uses a pump to get well water, this will be the best choice.

How can one create a cover like that?

1. From plywood plywood, it is necessary to make two similar rings corresponding to their own dimensions with the internal diameter of the ring of the well of the well.
2. One of the rings is glued with 5 centimeter polystyrene foam. All the remains are carefully cut: the foam circle must accurately repeat the shape of the plywood.
3. The second plywood circle is glued on top of a foamed polymer.
4. Final stage. We drill two 6-centimeter holes (for ventilation and for a hose), make a handle to which we fix a thick rope or chain, so that in the spring you can easily remove this cork.

All these events are not difficult, but there is also a lack of unique beauty in this place.

Note that the polystyrene foamed thermal insulation methods under consideration are only appropriate when the water supply is handled by a pump.

It is unlikely that the cork will help if the water exits the well via a gate and a bucket. There is a third way to insulate a well with your hands in this situation.

Warming of water wells

This is a great choice in every situation. There is an ideal method for thermally insulating the well that simultaneously takes care of many issues: the insulation will be completed to a high standard and the view of the location outside the city won’t be negatively impacted in the slightest. The building of a unique closed well house is this rudimentary yet effective method.

Closed well house

The following issues are resolved by this design:

• Protects water clogging with foliage and other small garbage. A thoughtful and sealed house with a dense lid will not make it possible to get into a source unnecessary.
• The well will not freeze in the winter period. In the only case, such a house will not save from freezing if the water level in the well is more than the level of ground freezing. If this is the case, then it will still be necessary to realize the additional insulation of the upper ring of the wall polystyrene foam.

If you find the independent insulation of the well to be unduly challenging, there are ways to simplify the process. You won’t have to do most of the work yourself, at the very least. Household goods stores sell foam half rings, warm shutters, and the hermetic good houses themselves.

All you’ll need to do is install these products, which is obviously much simpler. In most cases, factory-made products will have much more beautiful appearances than handmade ones. This also holds true for the well house. Nevertheless, only handcrafted interior pieces will offer the website a unique and distinctive appearance.

Insulating a well made from concrete rings is crucial to prevent freezing during cold weather. When a well isn"t properly insulated, the water inside can freeze, causing damage to the structure and making it difficult to access water. The main causes of freezing in these wells are the exposure to cold temperatures and the lack of insulation materials to retain heat. To combat this, it"s essential to use suitable insulation materials like foam boards, fiberglass, or specialized well caps. These materials help to create a barrier that keeps the cold out and the warmth in, ensuring that your well remains functional even in freezing conditions. Proper insulation not only protects your well but also ensures a steady water supply throughout the year.

Thermal insulation of the upper ring of the structure

Every expert will advise you to lower the well’s upper ring’s thermal conductivity to avoid the well from freezing. There are two ways to apply this thermal insulation technique:

1. by means of foam;
2. through polyurethane foam.

We use polystyrene foam for the ring "under the fur coat"

Here’s where you should get ready for work with such supplies:

1. mounting foam;
2. paint;
3. plaster;
4. foamy insulation blocks that are connected by the Ship-Paz system.

On a note! According to this technology, the first ring from above will be isolated entirely, while the second is only partially. Now to work!
Step the first. Work should start with preparatory measures. Around the ring, get a pit of 20 centimeters wide and approximately 0.5 meters deep. Then thoroughly clean the surfaces of the dirt and set the first ball of the "fur coat". At this time, make sure that the density of all connections is maximum! Fill the joints with mounting foam for the purpose of their compaction. Having finished with the first level, proceed to the assembly of the second and gluing it to the ring. The cracks that formed between the layers are still blowing with foam.

Step two. Next, begin smearing the rings’ surface. This will shield the foam from the sun’s harmful rays, which as we all know, deteriorate the material’s ability to insulate against heat. Apply paint to the plaster after it has fully dried; this will stop the finish from showing.

Step three. All that’s left to do is let the pit go to sleep and gently smooth the ground.

Foam, consistently and accurately warm the foundation

We use polyurethane foam for the ring "under the fur coat"

If you decide to use a foamyliuretan as a heater, then carry out the subsequent procedure. Dig a foundation pit first, just like in the last technique for winterizing the well, and then construct a wooden frame around the first ring. However, these are only generalizations; a more thorough analysis of the process will follow. Get the following supplies ready for use at work:

1. paint;
2. dowels;
3. polyurethane foam;
4. collapsible metal formwork;
5. plaster;
6. a piece of polyethylene film;
7. Wooden bars.

First step. Dig a pit, but make it no wider than 10 centimeters, as is customary. Install bars around the first ring next, taking care to space them out by roughly 40 centimeters. Install a thin-sheet steel formwork around the trench’s edges to precisely replicate all of the contours. Wrap the formwork in a ready-made film. For what purpose? This can be explained by the fact that the foam’s adherence is crucial and that the formwork cannot be disassembled without it.

Step two. Once the formwork construction is complete, you will see a gap between it and the ring; this space needs to be filled with insulation. Polyurethane foam will expand in volume at the completion of the filling, and the trench will be packed as tightly as feasible in this regard.

You must then wait until the material dries completely. As soon as this occurs, take the formwork apart. After the surface is completed, plaster it and paint it. After the formwork is installed, fill in the empty space with soil and compact it completely.

Speaking of which, As mentioned in one of the article’s earlier points, it is also a good idea to cover the well with a lid.

Materials and technology for the work of work

At this point in its construction, maintaining the reinforced concrete well’s insulation is still essential.

In this instance, you will have a year-round water supply source that you can use right away and won’t need costly repairs. During the building process, thermal insulation will be far less expensive and require less earthwork.

If an existing well needs to be used for insulation, then a sizable amount of excavation work will be required to dig trenches around the well shaft in order to attach insulation. The insulation should be installed 0.5–1 m below the soil’s freezing point.

Warming the existing well in order to lower expenses and minimize the amount of excavation work in addition to sealing the water system.

We will examine the types of thermal insulation materials suitable for wells constructed from rings of reinforced concrete.

Insulation #1 – polystyrene

Foam is a synthetic polymer insulation used to insulate railway wells, both those that are currently being built and those that are not.

Among foam’s benefits are:

• high thermal conductivity;
• low degree of water absorption;
• deformation resistance;
• simplicity of application;
• low cost in comparison with other heaters.

One of the key benefits of polystyrene is that it can be purchased as ready-made round and semicircular components, the diameter of which precisely matches the dimensions of reinforced concrete well rings.

This makes the insulation process much easier. The following technologies are used to carry out the insulation process:

1. Preparation of the walls of the well for the mounting of the insulation. Preparation consists in cleaning the surface of garbage, soil and other contaminants.
2. Installation of thermal insulation (rings, semi -alerts or individual insulation plates) using the glue applied to them for facade work.
3. Strengthening the fastening of polystyrene rings with special dowels-clavics for concrete. Performed if necessary.
4. The device of the vapor barrier layer. Any vapor barrier material is suitable here.
5. Filling the trench around the well with soil, its seal and tamping.

As you can see, foam insulation technology is not particularly complex. It is important to remember that the thermal insulation mentioned above has certain drawbacks in addition to its benefits.

To prevent the future accumulation of condensate that destroys an insulation layer, these rings must be fastened to the well’s walls as firmly as possible.

Styrene, which poisons the soil and upper layers of soil, is secreted into the environment by low-quality foam samples when heated in hot weather, making the foam unstable to the effects of insects and rodents.

Insulation #2 – extruded polystyrene foam

Although this insulation shares some characteristics with foam, it is more resistant to aggressive media, low temperatures, and has a slightly lower thermal conductivity. Because the material perfectly withstands the load, it finds widespread use in the building of subterranean pipelines.

Extruded polystyrene foams, such as Technoplex and Tenziplex, which are in high demand for building Penopolex and Russian-made URSA, can be used to insulate the well from heat.

The properties and quality of imported equivalents will be the same as those of Russian, but they will cost significantly more. In terms of cost, extruded polystyrene foam thermal insulation costs 20–30% more than polystyrene heaters.

Heaters made of polystyrene are made in the shape of plates in different sizes. It is advised to use plates for wells that have a minimum transverse size of 30 cm so they can be precisely positioned in a circle to resemble a well. The insulation system’s device uses the exact same technology as foam thermal insulation.

For external work, the resulting joints need to be covered with mounting foam. A winding of roll waterproofing material is made to the insulation’s reinforced concrete rings to guarantee a tight fit and extra defense against groundwater’s effects.

Using extruded polysterol foam has the following benefits:

• not deformed under the influence of loads (soil layer);
• resistance to mold, corrosion;
• durability, retains thermal insulation properties for more than 25 years.

It is advisable to secure the insulation with unique metal brackets when warming the outer portion of the well that is situated above Earth’s surface in order to prevent it from shifting.

Insulation #3 – cellular polymeric materials

Building materials that are part of the closed-fedded heater group on a polymer basis are the ones that are used in construction the most. Because of its many qualities, including its high thermal insulation values, moisture resistance, malleability, and data on heat insulators, reinforced concrete well insulation is becoming more and more common.

Insull is one kind of cellular polymer insulation. On the construction market, its equivalents are also available: Planex, Sunel, Tilit, Penolin, etc. Because these materials are made in rolls, it is possible to insulate round reinforced concrete wells from heat without any issues.

The majority of these materials adhere to reinforced concrete walls without the need for additional fastening because they are self-adhesive.

The following is the technology used in insulation, or its equivalents:

1. Preparation of the surface of the external walls of the well.
2. The treatment of reinforced concrete rings with a special primer, which increases the adhesion of concrete and insulation.
3. Gluing isolon using glue for external work (if the material is not self -adhesive).
4. Glittering with adhesive tape.
5. Backfill of the trench and soil compaction.

A foam glass is part of the mineral-based cellular heater group; it is created by foaming silicate crumbs under particular circumstances. Although this type of heater is easy to use, eco-friendly, and has good thermal insulation, its excessive cost prevents it from being used for well thermal insulation.

It is advised to use non-folgy material to lower insulation costs because it is less expensive and doesn’t require the additional properties that foil provides in this situation.

Insulation #4 – polyurethane foam

One heater with special qualities is polyurethane foam, which also happens to be insect-resistant and has high thermal insulation as well as resistance to humidity and harsh environments. The service life of polyurethane is at least fifty years!

Polyurethane heaters are now available from manufacturers in two varieties: one that is ready to use and comes in specialized cylinders, and the other is a dry mixture that needs to be bred before usage. Applying poliuretan foam to the surface requires specialized dispersal tools.

The following technology is used to create an insulation system:

1. Surface preparation and treatment with a primer.
2. Breeding polyurethane foam in accordance with the manufacturer"s instructions.
3. Applying polyurethane insulation using a special sprayer.
4. Staining the aboveground part of the well for external work.

With its ideal thermal insulation qualities, polyurethane foam can be applied in a spray form, which leaves a long-lasting layer of insulation free of joints and seams. After 4-5 hours, the applied composition undergoes a final hardening, which happens in a matter of minutes.

The high cost of the material—polyurethane foam is among the priciest heaters—as well as the requirement for specialized spray equipment are the drawbacks of this technique. An additional disadvantage is that insulation should only be applied in the +15 to +30 degree temperature range.

In addition to being a great heat insulator, polyurethane foam consistently seals all of the fissures that have developed on the well’s exterior walls.

Why is it impossible to use mineral wool?

Many people are curious about how to use a common insulation like mineral wool to warm the well of a winter water supply. The response is straightforward: using mineral wool to insulate the well is definitely not feasible!

The well’s mineral wool insulation won’t last for very long, and you’ll discover that the well starts to freeze after a few years.

This insulation is inexpensive and has good heat-insulating qualities, but it has a major drawback that prevents it from being used for thermal insulation in wells.

We are discussing the material’s capacity to take in water from its surroundings. As a result, the mineral wool parameter is a "editor" since it absorbs moisture fast without maintaining its ability to insulate against heat.

Ways of insulation

Insulation is available for purchase in nearly all construction supply stores. It is noteworthy how diverse the selection of these building materials is.

Warming can be done with contemporary materials like polystyrene foam or by following centuries-old customs and using wood. What matters most is that the process of supplying water never stops. Examine each of the options listed below in detail to determine which insulation method is best for you.

There are differences between the following techniques for installing insulation:

1. Insulation from the outside. In this case, all parts of the structure that are above the soil level are subject to insulation.
2. Insulation of the inside of the well. This method is suitable only to protect technological structures. If we are talking about a water supply, you can install a hatch.

The climate zone should be considered when choosing insulation materials.

Method 1. Installation of the cover

A robust polystyrene cover featuring wooden grips that serve as stiffeners

I will explain the most popular design for insulating a concrete ring well in this section. There are a few different approaches that can be taken, and they’ll all vary in complexity.

For those who do not intend to actively use the water source during the winter, the first method is appropriate. A well cover that overlaps the clearance and creates an air cork is installed for "conservation" and to keep the interior from freezing.

The following is how such thermal insulation is applied:

1. From plywood 12 – 15 m we cut a circle. The diameter of the circle should be approximately 2-3 cm less than the diameter of the concrete rings-so the gap will be minimal, and the “plug” will enter quite freely.

Slice the plywood circle in half.

1. On the bottom of the plywood, we impregnate with moisture resistant compounds, stain with oil paint or sheathed with polyethylene. This is done so that our impromptu suspended ceiling above the water mirror does not rot with a long stay in a humid environment.

Diagram of the warm cover design

1. In the circle, we make a hole in which we install a segment of a plastic pipe about 30 cm long and with a diameter of up to 50 mm. This pipe will provide ventilation, otherwise after the completion of frosts we will have to pump out plunged water for a long time.
2. Now we need to insulate the lid. To do this, glue the plywood with any material with low thermal conductivity on top. The ideal option is foam or polystyrene foam 50-75 mm thick.

Well insulation cover with handles for user convenience

With the cover insulated, you can consistently keep water safe from strong frosts.

It must be installed correctly in order to do this:

1. Inside the well, the concrete rings, located about 1 – 1.5 m above the water level, inlet the support brackets. For the manufacture of brackets, it is best to take a steel bar of at least 10 mm in diameter.
2. We put the lid on the brackets, lowering it with the help of the rings of the cords. We fix the edges of the cords at the top.

Two covers are installed.

1. For more effective thermal insulation, we make a second cover. It is advisable to install it in about 1.5 – 2 m from the edge of the neck of the well, just below the level of freezing of the soil. The presence of two covers allows you to create an air gap, which will ensure thermal insulation.

Although this insulation technique is simple to use, it is not very convenient. The explanation is clear: in order to access water, we will need to repeatedly remove the lid, extend it using the cord, and then replace it.

A two-part cover that is more practical but less efficient

The use of single covers, which are installed approximately 50 centimeters from the upper edge of the neck and consist of two halves, partially solves this issue. However, these lids offer little protection from freezing water during extremely strong frosts.

Method 2. Well of the neck

An illustration of leaf foamyplex being used as neck insulation

Although the second method of thermal insulation requires a lot more work, it does allow you to use the source even during extremely cold temperatures. Insulating both the subterranean portion and the upper ring that protrudes above ground is necessary to prevent freezing, at least down to the point where the soil begins to freeze.

The following are the directions for completing the work:

1. We dig a well around the perimeter, forming a trench with a width of at least 30 – 40 cm. We ware out the ground soil.

We excavate the trench to a depth where the earth is frozen.

1. We clean the concrete rings from soil residues, and then process the structure with waterproofing.

Subterranean portion waterproofing

1. Next, we take polystyrene with a thickness of 75 mm, cut into stripes and past over the neck of the well with these stripes. When pasting, cut the edges of the strips so that the gaps between them are minimal.

Apply thermal insulating material strips to the well’s walls.

1. For gluing polystyrene, liquid foam or polyurethane mounting foam is used. The same materials need to blow all the cracks between the layer of insulation and the concrete neck.
2. Instead of sheet material, you can apply a special “shell” from polystyrene, polystyrene or polyurethane. Such a shell is available in accordance with the most popular diameters of concrete wells and consists of several segments with locks at the joints. The heat -insulating half -rings with their own hands are mounted quite simply: it is enough to put them on the neck and glue the joints with polyurethane foam.

The "shell" for thermal insulation is installed.

1. The next stage is the protection of the thermal insulation layer. To do this, first stain the insulation with oil paint, and then wrap it with waterproof material. For this purpose, you can use roles, membranes, dense polyethylene, etc.D. We tighten the shell with clamps of wire or wrap it with a nylon cord.

Warm the insulation using a waterproof membrane or comparable substance.

1. Another suitable protective material is polyethylene with foil coating. The polymer part of such insulation provides moisture protection, and the metallized layer increases the efficiency of thermal insulation.
2. The gap between the walls of the trench is covered with drainage material. It is best to use a mixture of large gravel with expanded clay: so we will not only provide moisture, but also insulate the well below the soil level.

Sip beverages around the edges.

On top, a layer of clay up to 40 cm thick known as a "clay lock" can be applied. Clay will aid in preventing moisture intrusion into thermal insulation. The blind area surrounding the well’s perimeter is also highly efficient. First, a 20 cm-thick layer of concrete is poured, and then stone or tiles are laid on top.

1. The outer part of the head is put in order: you can linen it with decorative brick, finish with tiles or erect a small decorative log house.
2. A hatch with a insulated lid is mounted on top. If you do not insulate the lid (at least 50 mm of foam), then in the winter, despite the thermal insulation of the upper part of the neck, the risk of freezing of the water will be preserved.

Method 3. Protective structure

There is an additional method that you can do without completely changing the well to insulate it from heat. This approach entails building a wooden house with a well neck inside of it.

A house like that has a lot more warmth inside than outside.

This house serves additional purposes besides protecting against precipitation and providing thermal insulation.

1. Inside it you can install pumping equipment, which will also be well protected from the cold and other climatic factors.
2. In the walls of the house, you can fix the colode gates with a bucket.
3. Finally, a wooden log house with a roof will become a decoration of the site.

Prefabricated ornamental dwelling for the pump

The high cost of materials and considerable labor involved in this solution are its drawbacks.

Dimensional discharges

You must approach the construction of such a home responsibly if you want it to be both aesthetically pleasing and useful:

1. We dig a trench around the perimeter of the neck. Optimal depth – 30 cm, width about 50 cm. We select the dimensions of the trench so that it is about 15-20 cm wider than the log house at the base of the house.
2. We align the bottom of the trench, after which we fall asleep with a sand-gravel pillow with a thickness of 20 cm. You can also perform black concreting around the entire perimeter – it will be more expensive, but more reliable.

The initial timber crown

1. The first crown of the log house is made of a beam with a cross section of at least 50×100 mm. We impregnate the beam with a moisture-proof composition, and under the base we put one or two layer of roofing material. These measures are necessary to protect wood from moisture.
2. We lay the crown close to the neck of the well, trying to ensure that the upper edge of the beam is slightly above the level of the soil.

Depiction of a hexagon-shaped log home

1. After that, we build the log house using the log, a profiled timber or rail. In shape, the design can be either square and hexagonal. To finish the standard concrete ring, we need to raise the structure by 7 – 8 crowns.

Additionally, it is a good idea to apply an antiseptic to logs that have a moisture-proof composition.

1. We insulate the log house – between the crowns we put the strip seal and the caulkim of the gaps. The gap between the walls of the log house and the well neck is filled with thermal insulation material: foam scraps, granular polystyrene foam, mineral wool, etc. are suitable.D.

Support, fastening to the log house, frame, and horse form the basis for the gate installation.

1. If the gate is supposed to be installed, we put the supports for this design in advance, fixing in vertical defeat two beams with a cross section of 100×100 mm.

Gated roof frame

1. We mount a roof frame on top. The easiest option is two pairs of rafters, based either on the log house itself or on a wooden frame. In the upper part, connect the rafters of the skate unit.

Door in a sloping area

1. We make a crate, stuffing either a 30×30 mm bars on the rafters, or plywood with a thickness of 12 mm. On top of the crate, we mount the roofing material – metal tile, ondulin, bitumen tiles, and t.D. It needs very little roofing material, so it makes sense to choose a beautiful and quite effective, albeit not the cheapest.
2. The pediments are sheathed with boards.

The design of the lifting mechanism dictates where a door for access to the well should be installed. Generally speaking, the door is made in one of the pediments if the pump is utilized. Access is offered through one of the roof’s slopes for designs with collars.

The interior of the house is insulated as well. Heat-absorbing material is placed on the roof’s inclinations, and a thick lid may cover the neck itself. Because of this, even in severe frosts (down to -300C), the water in the well won’t freeze.

The "house" and the insulated neck combined

It should be noted that there are other possible algorithms for creating protective structures besides the one presented in this section. You don’t need a log house at all because you can construct a flat roof with an insulated hatch, build a thermal insulation box on a Bursa frame, etc. In any event, the structure’s basic working principle won’t change.

Methods of modernization of sewer wells

A sewer well is a structure designed to remove drains from residential buildings and dispose of them afterwards. In essence, they are composed of square or round reinforced concrete rings.

Brick, polyethylene, polymer, fiberglass, etc. are occasionally found. Such a structure offers unrestricted access to subterranean communications networks.

An essential component that guarantees the smooth operation of the entire sewer system is sewer wells. Their modernization is a pertinent issue in this regard.

Warming of the sewer well

The insulation of the sewer well during the winter is particularly crucial, even if the material used to build the structure is not considered. To guarantee dependable defense against chilly temperatures, the following is necessary:

1. Take care of the upper part of the cesspool. Before thermal insulation of the pipes, the well should be insulated well.
2. The second step is the arrangement of frost protection around the well.

In a concrete well, an insulation cover is placed.

When building a structure like this, thermal insulation must be considered in order to prevent the sewer well from freezing. It is not necessary to insulate the well if it is installed in a summer cottage that will be abandoned during the winter. Enough chloramine processing and basic cleaning. Remember to fully drain the water, replace the lid, and cover the entire thing with polyethylene film.

Many people still wonder how to properly insulate the sewer in a structure that is used frequently. Think about a few choices.

Thermal insulation of the cover

1. Two even circles of plywood will be required, in which you need to make two holes at the edge with a diameter of 6 cm – for a hose and ventilation. Next, drill 4 more slots for wire.
2. Gently cut a circle of foam of the same size. With the help of carpentry glue, attach it to the second plywood circle from above. Wait for complete drying and carefully place a pipe for ventilation in the openings made. In order to hide all the cracks is better to use mounting foam.
3. The last step is to make a special wire ring that will hold the lid and ventilate the well. First you need to wrap the upper ring, fix it as much as possible and attached a wire mounted in 4 holes of the initial ring. It remains only to put the hose into the hole and carefully lower the finished structure onto the soil line.

It is crucial to keep in mind that the sewer well’s ventilation is crucial in this situation when selecting an insulation method.

Thermal insulation of the upper ring using polyurethane foam

A well painted and insulated with polyurethane foam

1. First you should dig a pit (width – 10 cm, depth – 500 cm) around the well. Next, install the circumference, set the bars that should be from each other at a distance of 40 cm. The trench edges should be covered with formwork (from sheet steel). Make sure that she repeats all the contours of the well as much as possible. Do not forget to cover it with a film.
2. The gap formed between the formwork and the ring must be filled with insulation. After it dries completely, begin to plaster the surface and paint over the paint, the resulting material. Finally, the remaining gap after the formwork, you need to fill in the earth and compact.

Waterproofing

Concrete ring sewer well sealing should only be done after the rings have completely dried.

It is necessary to thoroughly clean the surfaces that will be undergoing installation work to remove all dust and concrete. Cover the reinforcement with a specific corrosion remedy if it becomes visible.

For a larger area of the concrete sealant, create a small depression along the seams and cracks, about 25 millimeters.

Concrete primer is always the first step in waterproofing a sewer well. Sometimes they use a special tape to keep the seams from rotting. Think about the supplies required for these kinds of works:

1. Putty. To prepare the product necessary for sealing, dry cement is used. The resulting homogeneous mass is applied to the surface. Approximate thickness-about 6-7 millimeters. It is important that the solution hardens for several days, because it must be strong enough. To do this, it is enough to moisten the concrete surface several times a day, while the well itself must be closed.
2. Painting. A similar solution is made of bitumen and gasoline, the number of which is equal. They carefully lubricate the concrete surface in 2 or 3 layers. If you cannot use such a mixture, then gasoline can be replaced with molten bitumen.

Sewer

The purpose of the blindfold strip is to prevent wastewater from getting. It offers a practical method of building and prevents dirt from forming in the spring and fall.

There exist multiple categories of blindings:

1. Concrete.
2. Reinforced concrete.
3. Clay.
4. Soft.

It is typically composed of concrete, which is a dependable and reasonably easy option. First, the hatch’s formwork is put in place, and a gravel pillow is added. Waterproofing must be done between the well ring and the area that will eventually become blind.

After preparing a standard concrete solution, it is poured into a form and allowed to harden. You can take down the formwork and assess the outcome once it has dried. Installing reinforcing mesh will increase strength and enable you to prolong service life.

To create a clay blind area, place this material in a recess that has been prepared and tamp it down. However, the biggest disadvantage is that sticky dirt forms when water penetrates the top layer.

Applying a layer of sand and a waterproofing film creates a soft blind area. On top, decorative materials or gas concrete can be added.

Up to 1.5 meters of dirt are removed in order to prepare a soft blind area, and a film is placed along the bottom. Its edges are secured with tape or a metal bar and begin beneath the upper ring. It is leveled and has enough sand to put it to sleep. On top, a decorative coating is applied.

Drainage and its implementation

To guarantee that drains to the soil are removed, many owners carry out drainage in the sewer well. It will save time on extra maintenance and drastically lower the frequency of purges.

Drainage can be manufactured using a variety of materials. However, crushed stone is most frequently utilized because it works best for this purpose and does the job flawlessly.

Drainage must be installed during the building phase. It is sufficient to align the soil in this instance before installing the rings; there is no need to install a concrete plate all the way to the bottom.

Crushed stone for drainage

A layer of crushed stone, about 40 centimeters deep, settles into the well. This will give superior filtration and stop sludge and suspension from building up. However, it should be kept in mind that these kinds of structures need to be placed at least thirty meters away from the drinking water well, or at least that far. It is best to forgo this option if there is a lot of groundwater at the location.

How to prevent the displacement of well rings in the future

You will have to accept that digging out the barrel to this depth will take a lot of time and money, especially given the displacement of the lower rings. As weak soil or swimming up are the main causes of the shift, there is no assurance that the annoyance won’t recur following the repair. Regarding the upper two to three rings, they should just be put back there without fail. Doing so will create excellent waterproofing and prevent the swimmer from flooding the mine.

You can stop well rings from moving in a horizontal direction by using folding locks on them.

Replacing well rings with hollow reinforced concrete modules with locking joints is the easiest way to stop horizontal shift in well rings. If the idea of extra expenses makes you uncomfortable, you could suggest joining adjacent rings with sturdy metal brackets or thick steel plates. In order to accomplish this, holes are bored into which the bracket is driven outside, at least 25 centimeters away from the joint. The inside edges are bent and carefully sealed. In the event that plates are utilized, they are fastened with bolts that have a minimum diameter of 12 to 14 mm and positioned on both sides.

Concrete rings can be joined together using thick steel strips as well as metal brackets and straight or curved plates.

Because the soil tries to push the upper rings up and lift them over other links in the well mine, heaving soils cause cracks to form in the joints. In this instance, the cylindrical modules are switched to conical ones and the barrel is disassembled to a depth below the design point of freezing.

Even on the fluffiest soil, conical rings, whether manufactured by hand or in a factory, will stay in place.

They will have to cast the conical rings by hand because it is nearly hard to find them already made. The latter should have a slope of between 10 and 15 degrees that faces the structure. As a result, pushing efforts reverse course and press the upper concrete module against the well barrel.

In order to keep a concrete ring well functional and free from freezing during the winter, insulation is essential. Despite its durability, concrete readily transmits cold temperatures to the water within the well. This can cause blockages and possible harm to the well’s structure when the water freezes. Additionally, freezing can have an impact on the pump system, potentially leading to malfunctions or inefficiencies.

A thorough understanding of the reasons behind freezing in a concrete ring aids homeowners in making well-informed insulation decisions. The likelihood of freezing can be influenced by various factors, including the well’s depth, the type of soil surrounding it, and the climate in the area. Proper insulation becomes even more important in areas where winter temperatures drop dramatically. Homeowners can choose the best insulation materials and installation techniques to successfully prevent their well from freezing by taking these factors into consideration.

For long-lasting protection, the right materials must be chosen when insulating a concrete ring well. Spray foam, fiberglass, and foam board are common insulation materials. Because of its longevity and simplicity of installation, foam board is a popular option. Fiberglass is reasonably priced and has good heat resistance. In contrast, spray foam offers superior coverage and can efficiently seal cracks and gaps, providing a more complete insulation solution.

In conclusion, insulating a concrete ring well is a sensible and essential measure to guard against freezing and guarantee a steady flow of water. Through comprehension of the reasons behind freezing and careful selection of suitable insulation materials, homeowners can safeguard their well against chilly temperatures and possible harm. Appropriate insulation not only keeps the well functional but also lowers long-term costs by lowering the need for expensive maintenance and repairs.

Video on the topic

The insulation of the well for the winter! A great way.

The waterproofing of the wells is correct!

Non -freezing water supply from a well or well! Few people know about him

Podkapaev.ru is winter! Insulation of your well

Errors, repair and maintenance of a well in the country. "Structure and live"

How to insulate a well using epx with your own hands #Domogorod

The insulation of the well

The insulation of the well for the winter