How to properly warm the walls from the inside

Adequate insulation is essential for maintaining a warm and energy-efficient home. Wall insulation is frequently disregarded, while attic and window insulation receives a lot of attention. On the other hand, internal wall insulation can greatly increase the warmth of your house and lower energy costs.

Adding insulation material to your home’s interior walls is the process of insulating walls from the inside. Older homes or those with insufficient insulation may benefit the most from this procedure. You can build a thermal barrier that keeps your house colder in the summer and helps you retain heat in the winter by properly insulating your walls.

Energy efficiency is one of the main advantages of insulating walls from the inside. Your heating system won’t have to work as hard to maintain a comfortable temperature during the winter months when your walls are properly insulated. This is an economical and environmentally friendly solution since it can result in lower energy costs and carbon emissions.

Furthermore, insulating your walls can raise your home’s overall comfort level. Your indoor environment will be more consistent and comfortable all year round by reducing drafts and cold spots. Additionally, this can aid in lowering moisture accumulation and condensation, both of which can promote the growth of mold and other problems that lower indoor air quality.

It’s crucial to evaluate the insulation in your house now and pinpoint any areas that might require improvement before starting the process of insulating your walls from the inside. To find the best insulation options for your unique needs and budget, this may entail performing a home energy audit or speaking with an expert.

Wall insulation technology from the inside

First things first, the surface needs to be prepared. In the case of a brick wall, the surface should first be treated with a deeply penetrating anti-inflable primer before it is plastered and leveled from the inside.

In summary, there isn’t an air gap that could allow condensate to escape at a specific temperature differential between the wall and the insulation layer.Another thing is a log home made from a beam or a log; in this case, air pockets are essential. Make the interior surface of the log home unreal if the walls from the beam only have tiny horizontal slots.

All that’s left to do is fully suction all of the crevices and joints, and then soak the wood in an antiseptic solution.Depending on the local climate, polystyrene foam or foam with a thickness of 20 to 50 mm remains the best choice for insulating brick walls. First, a continuous layer of adhesive mixture, or polyurethane glue, is applied to the foam plate, not just the edges.

Recall how we previously discussed having too much air. Subsequently, the plate is securely affixed to the wall, and so on. Making sure that there are as few joints as possible between the plates and that they are tightly adjusted to one another is essential. Once the glue has solidified, the insulation should be secured to the polystyrene foam plate using mushroom-shaped dowels, two to three pieces per plate, if necessary.

Once the inside of the house or cottage has been fully insulated using materials you have made by hand, you can move on to the finishing touches. The plaster has been applied evenly over the foam on the reinforcing grid.

Installing a frame from a beam whose width is equal to the insulation’s thickness is necessary for insulating a wooden house. The technology of thermal insulation looks like this:

• The surface of the wall is closed with a diffusion membrane that passes the pair. A ventilation gap is left under the membrane, as shown in the diagram below;
• The bars of the crate are installed and fixed so that the heater slabs enter between the dispersal;
• Mineral cotton wool is laid between the racks without additional mounts;
• A vapor barrier layer is made from the film. Its canvases are placed with overwhelming and gluing, pressing the rails of the steader;
• Sheets of drywall and other interior decoration are attached to the rails.

A vapor barrier layer needs to be sealed with special care. To prevent moisture from the room from penetrating the insulation, the joints need to be securely fastened with tape.

Here, foil foam can be laid in place of the film, but it must not overlap. Joint glue is applied using aluminum adhesive tape. How to apply this insulation correctly, as demonstrated in the video:

When you can and cannot be done from the inside

Supporters of external thermal insulation tend to invent and exaggerate all the issues that internal wall insulation can cause. The most frequent claim is that dew forms inside the wall and travels to its inner surface after the wall has been insulated from the inside. This causes condensation to form on the wall’s edge, which is followed by the appearance of various fungi. The process is concealed from view by a heat-insulating layer, so the issue is discovered at an advanced stage.

This isn’t quite right. Since the temperature inside and outside varies even within a day, the dew point in the wall’s thickness is actually always changing. Because of this, professionals in construction thermophysics work with the idea of a zone of potential condensation rather than a single point. Regardless of the insulation technique, moisture will always condense in this zone; the only thing to question is how much.

Moisture falls from the air inside the wall only if there is no significant vapor flow from the outside, and this is very little. Additionally, since condensation releases heat, the moisture can evaporate quickly. Оогда большое количество пара проникает в стены с улицы или из комнат, тозе может образоваться сырость, чем часто страдают холодных бетонных стены.

Rather than condemnations, we provide a few representative real-world examples. First, since it can only be done from the inside, insulate a private home’s pitched roof. All of the resulting moisture is safely removed from the insulation if the thermal insulation "pie" is constructed correctly. This also holds true for the frame house, where the outer wall’s mineral wool serves as thermal insulation.

There are several compelling reasons why homeowners must heat their homes internally:

• It is very difficult to sheathe the wall with a heater on the outside, but it is generally impossible with your own hands. This includes facades of houses in the city center and apartments of high -rise buildings;
• Some enclosing structures borders on technical rooms, for example, with a shaft mine;
• Since insulation on the inside is much cheaper than the outer one, for many this is also an important argument. People do not always have financial opportunities, but they want to save on heating.

Fastening vapor barrier film

It is essential to create a vapor barrier prior to operating the crate. Additionally, it has two layers:

• The first layer protects the insulation from moisture from the outside;
• The second layer protects the insulation from moisture from the inside.

Option 2 is the insulation installation scheme.

Why is this a topic receiving so much attention? Everything is easy to understand. The truth is that mineral wool or polystyrene loses a lot of its effectiveness when it gets wet, and in cold weather, these materials become cold bridges rather than just barriers against the cold.

Using a stapler on the brackets, the film is fastened to the wall. Every vapor barrier sheet is placed one after the other. Regular tape can be used to glue any joint.

The rough side of a film like this is placed inside the room if the vapor barrier has two distinct sides, one glossy and the other rough (one can pass moisture, while the other cannot).

Varieties of material

• With foamed polyethylene, has the form of rolled self -adhesive material, looks like a film with foil. The scope of use in various equipment, lining of pipes, mines, roofs, since it has a high -temperature range from -160 to +160 degrees, fiery resistant.
• Mineral wool with foil coating can have the form of a slab, cylinder. Also has a high degree of fiery resistance.
• Polystyrene foam, on both sides is treated with foil. It also has a wide temperature range, in diameter it can be 5mm, 10mm, 15 mm.
• The basalt, as well as the above materials, is made on the basis of foil material, however, thanks to a unique technology, it can withstand temperature fluctuations from -200 +600 degrees, resistant to aggressive chemicals.

How to lay a heater on pipes

Such a material typically takes the shape of a pipe "cocoon" and is composed of either moisture-resistant polystyrene foam or mineral wool, which can withstand high temperatures. The question of how to insulate them vanishes on its own because they resemble a "cocoon" that has been fixed on top. For chimneys, there are principally different diameters and temperatures.

But if you choose to buy leaf insulation, you might run into the issue of how to attach it to the metal using glue. You’ll be helped by an aluminum tape that is wound around the pipe’s insulation. Additionally, just like in the aforementioned choices, you must project a bright side.

Is it possible to insulate the walls outside

Perforated foil insulation is used to insulate external walls. In addition to its soundproofing properties, this material shields your home from wind and moisture but does not stop moisture from escaping the space. For individuals who are unable to complete this type of labor indoors, this is the best choice. However, only during the warm season and during dry weather can such events be held.

• If you had any coating on the wall, you need to get rid of it. Then treat the surface with an antiseptic solution. It is better to do this in hot weather, so that everything is well dried, especially carefully process the lower part of the building. Within two days, the surface will completely dry out.
• Next, build a frame from the beam, fix it with self -tapping screws. Place the penaliatory, then leave the air tunnel, glue the joints of the joints, then mount the outer frame.

Finally, we recommend watching this video about installing foam thermal insulation:

In the quest for a cozy home, warming your walls from the inside is a smart move. By insulating from within, you can enhance comfort, cut energy bills, and reduce carbon footprints. Start by choosing the right insulation material suited for your walls, like foam boards, mineral wool, or reflective foil. Next, prep the walls by cleaning and repairing any damage. Then, install the insulation snugly between the studs, ensuring no gaps or compression. Seal up joints and edges to prevent heat leaks. Finally, consider adding a vapor barrier to control moisture. With proper insulation, your home becomes a snug retreat, keeping you warm in winter and cool in summer while being kinder to the planet.

Materials

The following positions make up the limited selection of materials used for interior insulation in private homes and apartments:

• Mineral wool in plates with a density of at least 100 kg/m3;
• plate foam with a density of 25 kg/m3;
• extrusion polystyrene foam in the plates, it is also a foam;
• Subtle foil insulators based on foamed polyethylene are used as an additional insulation.

Any type of wooden house, whether brown or log, can benefit from the internal thermal insulation provided by non-combustible mineral wool. The capacity to absorb moisture and easily allow water vapor to pass through oneself is the only significant disadvantage. As a result, mineral wool needs to be properly shielded from room spaces to prevent interior moisture from seeping into the insulation. Simultaneously, it is preferable to use cotton wool in high density slabs because it retains moisture better and does not settle.

As mentioned there, a vapor barrier is also necessary because a tiny amount of vapor is also passed through the foam. Furthermore, since the substance is fuel, it is preferable to conceal it behind plastered or drywall trim. Because foam is so inexpensive, it’s a popular choice for the less expensive option of insulating brick and wooden walls from the inside.

Extruded polystyrene foam, which has the highest thermal insulation indicators, is great insulation in every way. It is also the most expensive material used for internal insulation, despite being the least noticeable. Furthermore, there is no need for a vapor barrier because the foam does not permit the passage of water vapor. Only polyurethane foam, sprayed like a machine, is superior to him.

Indeed, vapor barrier films can be effectively replaced with foamed polyethylene foil (penofol, isolon), which can also be used as supplementary insulation to the mineral wool layer above. All that needs to be done is properly lay it with gluing joints—a topic we’ll cover later.

Advantages and disadvantages of slab insulation

The most widely used heat-insulating materials are made of plastic because of its superior thermal insulation qualities and straightforward styling.

Polya, also known as polyuretral or polyurethane foam The best maintains heat. not easily broken down. possesses exceptional waterproofing properties.

He does, however, have one disadvantage: he essentially lacks noise-absorbing qualities. Furthermore, all of the foam burns, releasing harmful compounds into the atmosphere.

Insulation based on Minvata Because of its exceptional vapor permeability properties, it is regarded as one of the best materials for external walls. Additionally, basalt cotton wool practically resists corrosion and deformation over the course of its useful life.

Minvata is a non-flammable material that has excellent soundproofing qualities. Additionally, it serves as a fire safety measure. Because of this, minvata is most frequently used as a heater in wooden structures, such as bars, frame houses, and buildings decorated with wood (such as block houses, imitation beams, and linings).

Installation of slab insulation

Slab insulation is frequently utilized in hinged ventilated facade systems, which include beam-like finishes.

It works well with wall insulation that is both internal and external. The order in which thermal insulation layers are laid varies, though.

External wall insulation

It is thought to offer the best defense against daily temperature drops, precipitation from the atmosphere, and the formation of ice. These natural elements have the greatest impact on the building’s structural integrity; as a result, seams frequently become visible and chips and cracks develop. Benefits of insulation outside the home

• The heat -insulating layer transfers the dew point from the surface of the walls to the insulation, so that the walls themselves in the cold season remain completely dry. External thermal insulation eliminates the so -called cold bridges that can form during construction if materials with different levels of thermal conductivity are used.
• Thanks to the outer heater, fluctuations in air temperature in the interior from heating the external sides by the sun and cooling their winds reduced to zero.
• Additional plus – Decorative function: external heat -insulating systems hide possible wall defects.

However, close adherence to the methods of applying thermal insulation materials is required if the insulation of walls beneath block houses or other wooden skin trim is to fulfill all of these purposes.

Wall preparation. Putty and plaster are two "wet" operations that must be finished before beginning insulation work. Get rid of any protruding objects that are causing interference, including any wall-mounted devices and equipment (such as alarms, thermometers, and antennas).

Cover the prepared wall with a layer of vapor barrier. A strong polyethylene film in the form of rolls or plates is known as a vapor barrier. The material that is most frequently used to insulate large surfaces is rolled material. As it happens, fewer joints.

The rolls are unfolded horizontally rather than vertically, and they are secured with building brackets or bilateral aluminum tape facing the bottom. Every new strip is positioned 5–10 cm apart. Additionally, bilateral self-adhesive butyl tape is used to thoroughly glue the joints and points of connection with the walls.

To save wood, we build a crate of non-inferior wood or timber on top of the vapor barrier. Although a profile made of aluminum can be utilized, a tree is preferred. If the wall is made of brick or concrete, the fasteners are spacer dowels; if the wall is made of wood, regular nails are used.

The crate’s thickness and the thermal insulation material’s thickness ought to match. For wood-like sheathing, lining, and imitation wood, a heater between 50 and 100 mm is typically utilized. Step length: 600 mm (insulation slab standard width).

We install slabs for heat insulation. They shouldn’t be flawed in any way, including dents and bends. In the crate section, you must arrange them as closely as possible to one another.

The joints should be arranged in a checkerboard pattern if the plates are stacked two on top of each other. Usually, hat dowels are used to further reinforce them. This isn’t always the case with a block house, though.

The slabs are consistently pressed by the waterproofing layer that is placed over the insulation.

Installing a layer of hydraulic protection. affixed to the crate using brackets that run the length of the wall. Similar to vapor barriers, all joints are glued.

The actual beam imitation is attached to the second wooden crate, which has been laid. The additional ventilation gap required for air circulation is supplied by the second crate.

Installation of a beam imitator using the Spunt-Paz principle. Self-tapping screws are used as fasteners to the crate.

Internal insulation of the walls of the house with polyurethane foam

Using polyurethane foam to insulate the walls from the inside of the space allows you to create a moisture-resistant barrier and achieve excellent insulation. Applying polyurethane foam is challenging since it is a foamed liquid mass that rarely hardens.

For the insulation to be correctly installed, formwork must be used, and the required space must be partially filled with foam using this tool. This will enable you to create a level surface on which the material can be laid out to the necessary thickness.

With PPU’s assistance, you can create a moisture-resistant barrier and achieve excellent insulation from the inside of your home’s walls.

The wall surface is covered with a hydro- and vapor barrier after the polyurethane foam layer has been laid. Plastic film that is affixed to the floor, adjacent walls, and ceiling is a great choice for this. This can be accomplished with the use of rails, mastic, or sealant. This material will not withstand the plastering finish because of its low density. Consequently, an extra plasterboard wall that is mounted on the frame will need to be constructed.

This material’s incapacity to permeate the air and lack of vapor permeability are two factors that prevent condensation from forming on the walls. It should be mentioned that only experts should produce because it will require specialized knowledge and equipment that must be purchased. It’s not likely that it will work out on its own, to put it simply.

Method	Description
Insulation Panels	Attach insulation panels directly onto the interior walls. These panels trap heat and prevent it from escaping, keeping your home warmer.
Insulating Paint	Apply insulating paint to the walls. This special paint contains thermal additives that help to reduce heat loss through the walls.
Dry Lining	Install plasterboard or dry lining onto the walls, followed by insulation material. This creates an additional layer of insulation, improving heat retention.
Window Film	Install window film to reduce heat loss through windows. This helps to maintain a consistent temperature inside the house.

Maintaining comfort and cutting energy costs require adequate insulation in your home. There are a few efficient ways to think about when warming the walls from the inside. You can design a more comfortable and energy-efficient living environment by comprehending these strategies and correctly putting them into practice.

Mineral wool, reflective foil, and rigid foam boards are a few of the insulation materials that are most frequently used for internal wall insulation. By directly attaching these materials to the interior walls, heat loss can be prevented and thermal performance can be enhanced. To ensure maximum effectiveness, it is essential to select the appropriate type of insulation based on variables like moisture resistance and R-value.

Resolving any existing moisture problems is essential when insulating walls from the inside. Moisture can encourage the growth of mold and mildew and reduce the efficiency of insulation. Prior to adding insulation, it’s critical to locate and address any leaks or condensation issues that may be causing moisture intrusion. Furthermore, vapor barriers and adequate ventilation can help avoid the accumulation of moisture in the walls.

Thermal paint or wallpaper is an additional efficient method of warming walls from the inside, in addition to insulation materials. These materials’ insulating qualities aid in lowering heat transmission through walls. Thermal paint and wallpaper are a practical and affordable alternative to more traditional insulation techniques, even though they aren’t as effective. They work particularly well in smaller spaces or as an additional layer of insulation.

The best possible insulation for interior walls requires proper installation. To reduce heat loss, make sure the paint, thermal wallpaper, or insulation boards are completely covered and have a tight seal. Make sure you measure, cut, and secure insulation materials accurately. Then, pay attention to the installation instructions provided by the manufacturer. Pay close attention to details, such as caulking joints and gaps to stop air leaks, which can drastically lower the effectiveness of the insulation.

In conclusion, a good method to improve your home’s thermal performance, raise overall comfort, and use less energy is to warm the walls from the inside. The key to getting the best results is choosing the right materials and making sure they are installed correctly, whether you decide to use paint, thermal wallpaper, or insulation boards. You can make your home more comfortable and energy-efficient for years to come by taking care of moisture problems, choosing the right insulation, and paying close attention to installation details.

Video on the topic

Insulated the walls of the house from the inside with a foam. My life hack and the opinion on this material.