The attic insulation with their hands: step by step instructions, features and reviews

Deciding to expand the living space of a private home, many owners attach the attic. This solution allows to save some space on the site, not to occupy the fertile soil layer with additional annexe. The attic insulation is made by using different materials. They are different mass characteristics. How to perform this process will be explained in detail later.

The Need for insulation

The attic Insulation inside allows you to create a warm, cozy room. It will be possible to live in both summer and winter. This additional floor, which will expand the living space of the house. It should be noted that the height of the attic shall be 2.5 m. it should be easy to walk, and useful space shall be not less than 50 %. Also, the ceiling between the attic and the lower room should be durable, so that it was possible to go.

The Price of attic insulation can be quite high when hiring builders. Therefore, many owners of private property prefer to carry out all the work yourself. This allows significant savings to the family budget. To cope with the task, you need to consider the technology of installation of insulation.

This work need to be done for a number of reasons. If you do not insulate the attic, its operation in the winter would be impossible. Here it will be cold. To heat a room that is not insulated, just as hard. Need to spend a lot of energy for heating. Also the insulation will create additional noise insulation. This also increases the operating comfort of the attic. In the rain or strong wind other sounds will not interfere with the rest.

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We must note that the attic insulation will be required to perform not only the inner side slopes of the roof. If the extension has walls, they also need to impose a layer of insulation. While the floor of the attic should also not be ignored. You will need to take into account peculiarities of the structure.

The Heat of the attic will depend on the material from which it is built. It can be wood, brick, cellular materials, etc. each of these materials has its own thermal conductivity value. Before you begin, you need to hold the correct calculation of the size of the space. You need to calculate the area that will need to insulate. This will allow you to purchase the required amount of materials. Take into account the configuration of the roof. It can have one or two slopes, a more complicated configuration.

Insulation installation

The attic Insulation with your hands is an important event. If you make a mistake, the work will have to be redone. In this case, the insulation will not be effective, and the room will be cold. Important before starting work, make a plan of the attic. It must be submitted all communications, which are in this part of the house. Also is taken into account the material used to build this floor. Need to know what thermal conductivity value he possesses. The plan also indicates what material is made of framing. It can be wood, metal or concrete. Then calculation of the number and thickness of insulation.

It is Worth considering that the attic can be completely over the living room. In this case, the insulation of the floor is easier. But sometimes the construction of the slip beyond the floor slabs. In this case, the part of the attic is based on the columns. Her gender will require more materials for insulation.

Many owners of private property know what the wall insulation is best done outside. This allows you to move the point of condensation, optimizing heat loss. However, the attic insulation from the inside is a common option for warming. All surfaces which require insulation, located in a residential area of the building. Only the pediment require external insulation. It is installed in the process of attic insulation.

When you create a living room that will stay warm even in the winter, you need to consider the advice of specialists. They argue that the reduction in heat loss provided by the two materials. First and foremost is, of course, insulation. However, even when properly selected, inappropriate building code requirements installation may result in heat loss.

To prevent this, protect the insulation with a special film. This sealing, which prevents ingress of moisture insulation. If not set, the insulation will get wet. In this state, it readily conducts the heat out. So you need to know before installing how to choose and install insulation.

Guidance on the choice of a heater

The attic Insulation from the inside, if the roof is already covered, is quite simple. If the roof had not been mounted yet, the improvement should be paid special attention. Depends on the choice of materials for insulation of the attic. Roofing pie also involves the installation of steam, hydro and thermal insulation. On top of the roof can be finished with any materials which meet building codes for this type of roof.

On sale represent a wide range of heaters. They can be synthetic, mineral. Also, the insulation may be provided in the form of plates or rolls. The cost is also significantly different. Experts advise to buy the material in the plates. It is stiffer, so it holds its shape better. Such qualities allow you to perform the insulation with fewer locking elements.

It Should also be noted that insulating the ceiling of the attic, and its walls need to perform is special. Between the insulation and the wall will need to leave a ventilation gap. In this case, the atmosphere in the room will be healthy. Otherwise, under the material can develop fungus and mold. This may lead to ailments, allergies, asthma, etc.

PI the choice of materials it is necessary to consider step mounted in the rafters of the roof. The width of the boards or roll materials are selected according to this indicator. If the size of the insulation will not coincide with the pitch of the rafters, installation is more complicated. This nuance should be considered when choosing insulation.

You can Choose almost any insulation that performs well in practice. However, the main advantages and disadvantages of each should be considered in detail. When choosing also take into account the climatic features of the locality in which the house is built.

Mineral, glass and cellulose fibre insulation

The attic Insulation from inside with mineral wool is a good option. This material has several varieties. Sometimes basalt, stone, glass wool. They differ in the manufacturing technology, the thickness of the fibers and the material from which they are produced. Depend on the performance of each type of mineral wool.

Fiber in the structure of wool is laid with a certain density. Between them is air. This gives the material high thermal insulation qualities. Wool can be produced in slabs or rolls. The first option is harder. Mineral wool is non-combustible material. Therefore, it can be installed even in the wooden attic. In this part of the insulation does not contain any toxic substances, therefore, call cotton environmentally friendly insulation.

The Modern varieties of cotton are easy to install. They do not emit into the air of microscopic dust particles. This negative property was different former varieties of cotton. You can also say that this kind of insulation, like glass wool, used to cause, in contact with skin irritation. Today, technology has improved vastly. A variety of wool with very fine fibres. Before production could not provide such indicators. Thin fibers are unable to apply microdamages skin. Therefore, working with this material is easy and secure.

The attic Insulation mineral wool with their hands is very simple. This material can be easily installed in prepared for a separation from the frame. This heater can apply for warming the walls, floor. However, pour on top of mineral wool tie is impossible. It is not sufficient strength.

One of the new materials is cellulose. It can be installed dry or wet method. In the first case, the air rises a lot of dust. The wet method of installation requires quite a lot of time. After the installation of cellulose fibre insulation must be qualitatively dry. This type of insulation has a high softness. It is necessary to fill in the prepared space with a margin of about 25 %. If this is not done, over time the material will sit down and lose their initial quality.

Foam plastic and polystyrene

The attic Insulation foam or Styrofoam is also one of the possible options. It is a synthetic material. It is manufactured in slabs with different dimensions. There is a big difference between Styrofoam and expanded polystyrene.

Note that synthetic materials are completely deprived of the ability to pass vapor. Therefore, their installation must be carried out with the use of waterproofing. Otherwise, under the heater on the wall may appear fungus. It will destroy the wall, reducing the lifetime of the building. The atmosphere in the room is not healthy. Styrofoam and polystyrene are combustible materials. When heated they can release into the space of toxic substances. Therefore, not all types of penthouses are permitted to use this material.

The attic Insulation foam will cost much cheaper than using other materials. This is a fairly fragile material. Due to its thermal insulating properties it is inferior as the foam, and mineral wool. Therefore, the thickness of the foam plates should be large.

Styrofoam is a rigid material that can be used in the insulation of the floor. The leaves can have a much smaller thickness than foam. The cost of polystyrene will also be significantly higher. This material is often used for external insulation of the Gables. Indoor synthetic insulation is almost never used.

It Should be noted that Styrofoam and polystyrene can be attackedpests (mice, insects). This leads to a rapid destruction of the insulation layer. For internal insulation it is better to apply environmentally friendly mineral wool.

Other types of insulation

The Thickness of the attic insulation depends on the properties of insulating materials. It is better to choose varieties that are able to retain heat inside while not taking up much space. They are more expensive. However, when a significant thickness of insulation inner space of a room may significantly decrease. Here will be uncomfortable.

One of the new materials which can be used to create insulation is polyurethane foam. It is sprayed on any surface under pressure. This allows you to insulate the plane from any bias. If you create an insulation layer inside of the attic. In the material to produce no gaps. This allows to avoid cold bridges.

Polyurethane foam does not require the application of vapor barrier. It is very tight to the surface, absolutely not missing moisture. So there is no fear of occurrence of condensation on the back side of the trim. The cost of this material can be quite high. You will need to use special equipment or hire professionals.

The attic Insulation inside their hands can also be performed with the help of the foil roll materials. Insulation of this type has a small thickness, which is an advantage when decorating a small space of the attic. However, it can be made of different materials. The simplest type of basis of the insulation is foamed polyethylene. He can not boast high insulating ability. The top layer of foil to reflect heat and direct it back into the room.

It is best to give preference to when choosing such heaters are the basis of foam rubber. This material has a black color. One side is also covered with foil. When the thickness of 5-7 mm this heater is able to provide the same quality of insulation as the polystyrene thickness of 3 cm.

Cost of materials

To make the right decision on choosing the insulation type, it is necessary to consider also their cost. If the owners of the house want to do the attic insulation basalt mineral wool type, they should expect that this material will cost about 150 rubles./m². This material can shrink, but it can be installed on the roof ruptured. Fiberglass will be cheaper. This material can be purchased at an average price of about 100 $ /m². Types of mineral wool differ in terms of strength and thermal conductivity. The price can also depend on the manufacturer of the material.

Ecowool are of reasonable cost. It can be purchased at a price of 40 RUB/kg. the material is soaked in antiseptic, which does not allow the pests to destroy it in the process of operation.

Insulation DIY attic roof and Gables can be accomplished by using foam. This material is from 3 to 3,5 thousand rbl./m³. Styrofoam will cost more. It can also be used when you create a layer of floor insulation. The cost of the Styrofoam is on average from 4 to 5,5 thousand rbl./m³. It is a durable material. Install it on the inner surface of the roof of broken forms was problematic.

The cost of the foam will be quite high. He is not sold by volume but by weight. The cost of this material ranges from 200 to 300 rubles/kg. it should be noted that when using this type of insulation required to provide additional costs for the purchase or rental of equipment or salaries of employees.

Foil types of insulation may vary in cost depending on the type of base material. If it is made of polyethylene foam, the cost of insulation will be 50 $ /m². The varieties of materials which are made of foam rubber, can be purchased at a price of 150 $ /m² or more. The cost depends on the thickness of the insulation, its density and performance.

Insulation of the roof and Gables

The roof Insulation of the attic requires the use of hard varieties of insulation. The ramps are on an incline. So over time the soft material can deform. You can apply a slab of basalt wool, foam or polystyrene foam. Between the rafters need to tightly install insulation. Additionally, you will need to lay a layer of insulation under the beams or over them. Insulation to keep the sheathing.

If the width of the insulation is not enough to completely fill the space between the rafters, cut from a material strip with an appropriate width. Below the insulation were tightly pinned to the rafter system, you need to find an additional piece with a margin of 2-2. 5 cm more. This strip with a force hammer into the space between the beam and the plate heater.

All items need to tightly connected together, even if the configuration of the surface complex. You need to create an extra layer of insulation around the perimeter of the window openings. You should leave a ventilation gap between the insulation and roof. Thus it is necessary to applythe vapor barrier side of the room and the waterproofing of the roof.

The roof Insulation of attic is carried out from the inside after a layer of insulation on the Gables. It can be laid inside the layered masonry. In some cases you will need to create a ventilated facade for decoration. Between the pediment and insulation leave 4 cm free space. You can also glue the Styrofoam or mineral wool on the wall surface. In this case, apply waterproofing and spend an extra reinforcement before finishing it.

Insulation for floors

The attic Insulation from the inside with their hands involves the creation of a layer of insulation for slabs. Thus it is necessary to take into account the type and characteristics of the material. In the presence of the concrete slab and the screed need to apply a very durable material. Such insulation is polystyrene. On top of it pour the screed and apply almost any type of finish.

The presence of a concrete slab and the wooden flooring is used for heat insulation basalt wool. It fits between the Las. Therefore, when choosing the dimensions of the material, it is important to take into account the distance between the support beams. In the corners of the room need to leave holes for ventilation. The joists need to be installed on a special sound insulation.

If the ceiling is made of beams, the attic insulation with your hands is even easier. Need over these joists to create the subfloor. On it lay out the selected insulation. Under it, you need to put a vapor barrier layer, and the top – waterproofing. In this case, fit roll insulation. The installation will be done faster and at a lower cost.

Thermal Insulation

Wall Insulation of the attic is made by using slabs of mineral wool. It is non-flammable, environmentally friendly material. It allows you to create a healthy indoor climate. You need to make a frame that will allow you to create a ventilated space and to bring hardness to the finish.

Between the rails laid on the slab. This material will serve as noise insulation. You need to lay from the side walls, the waterproofing layer. The surface of the mineral wool before finishing to cover the vapor barrier. This will allow us to keep the material in dry condition.

It is also Possible to carry out the attic insulation in partitions with the help of foil materials. A thin layer on rubber base should be tightly pressed against the wall surface. The foil should be directed to the room. This finish will allow you to keep your existing floor space. A thick layer of insulation reduces the free area of the attic.

If you neglect the advice of experts to save money when choosing materials, you can get an unsatisfactory result. The heat loss will be significant. Insulation will become wet. In this state, it will let heat out, not coping with their functions.

Having Considered, how is the attic insulation, it is possible to choose and mount a layer of insulation with their hands.