How to insulate a cold attic: the choice of materials and installation instructions

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We find out what the difference between the cold attic from the attic, and give instructions how to turn the cold room in a comfortable and suitable for housing.

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How to insulate a cold attic: the choice of materials and installation instructions

If you need to turn a cold attic in a private house in a residential space: a children's or guest room, a workshop, a gym, optionally to put the floor with a new roof. You can turn the scope roof into a classic attic. It is much easier than to build a major add-in, and besides cheaper. We tell how to carry out a warm attic warming.

Inhabit the attic to the right

Differences of the attic and mansard

Selection of insulation

Step-by-step plan of insulation attic

Differences of the attic and mansard

The main difference in the insulation system and the method of ventilation of space. In the first case, insulation of the floor of a cold attic is carried out, and ventilation occurs with a ventilation chamber. Scheme-example of insulation attic displayed in the photo.

1 - Wooden rafter ...

1 - Wooden Sropling System

2 - Stone Wool insulation

3 - vapor insulation film

4 - superdifuzion membrane

5 - Craised doom

6 - Ceiling cutting ceiling of residential premises

7 - Relaxed drying and wood flooring with roofing

In the attic - with the help of energy-saving materials, they insulate roof. The ventilation of the roofing pie takes place by the type of the ventilated facade, using counterbruces that create channels for the movement of air and remove moisture from the design. A flexible tile is used as a roofing layer, which does not fade into the sun, is not deformed under the influence of temperature and precipitation. It is also necessary when equipped with a complex geometry and the presence of protruding elements: mansard windows, pipes, antennas, aerators.

1 - Wooden rafter ...

1 - Wooden Sling System 2 - Variazolation Film

3 - Stone Wool Heater 4 - Super Diffusional Membrane

5 - counterbusted for the creation of Ventkanal 6 - rarefied doom

7 - Wooden flooring 8 - Lining carpet 9 - Mastic for gluing flexible tiles 10 - Multilayer tile

Selection of insulation

The material for insulation the attic of a private house can serve as polystyrene foam, basalt wool or polyurethane foam, often use even ordinary sawdresses - a very dangerous solution in case of fire. A good insulation, especially for a wooden house, should have a whole complex of additional properties: fire safety, vapor permeability, resistance to rodents and mold.

Modern manufacturers in the assortment have stained wool plates. This is a light hydrophobized, non-combustible heat and sound insulation material. In addition, Equata based on natural ingredients with increased environmental characteristics, service life of more than 100 years. Due to the optimal ratio of density and chaotic location of the fibers, the plates do not give shrinkage, well absorbs the sound wave.

Plates from Stone Wool Greenguard Unison ...

Step-by-step plan of insulation attic

1. Dismantling of the old roofing coating

After dismantling the old roofing coating, check the status of the rafter system. Perhaps it will be necessary to increase it. Then check the structures on the damage to the fungus, mold, insects. If these problems are available, they should be changed. Treat all wooden antiseptic designs. It will protect the wood from insects, fungus and mold, and when exposed to a critical temperature or fire, it will not give a tree to maintain burning.

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2. Attaching a vaporizolation film

The installation of a future attic wall begins with the attachment to the raps of a vapor barrier film, on the inside of the room. The nesting of the material should be at least 10 cm. Bashed film to rafters with the help of a construction stapler, and create a solid parobacker with a special acrylic tape. Using this tape, gluing the tapes of the film between themselves, gluing to the walls and passing elements.

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3. Preparation of the basis

Following on top of a vapor barrier film from the inside of the room, wooden boards are nailed with an interval of about 15 cm. They will serve the main for the interior decoration.

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4. Laying insulation

Laying an effective insulation from Minvati is already on the outside of the roof. The insulation scheme is very simple: the insulation is placed in the intercremile space in three layers of the Mrum.

The recommended distance between the lags in this case is 600 mm (along the axes) or 580-590 mm in the light. Width of insulation slabs 600 mm, which allows you to put the material in space, without waste and extra effort on trimming. The thickness of the heat-insulating layer is calculated taking into account the characteristics of the construction region, as well as the appointment of the building.

It is important to track so that the joints between the layers are made by the rotor, this will avoid the "cold bridges" through possible cracks in thermal insulation. It is recommended that the stone wool is recommended, since this is a non-combustible material and convenient from the point of view of editing. In this case, the thickness of insulation is small.

Before laying in the area of ​​the eaves, it is necessary to attach a transverse board between rafters, which will not give the insulation to fall out of the underpants.

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5. Laying hydro and windproof membrane

The membrane does not miss the wrapped pair of warm air from the dwelling side inside the system. It is attached to the rafters by a construction stapler, well misses pair of roofing and protects the insulation from wetting and inflating the upper layer. Installation of the membrane is recommended to lead from the eaves up to the skate, with the allen membrane ribbons at a distance of at least 10 cm and the obligatory sizing seams. The ceiling is lowered with large-grained material: OSP-3 plates, plywood or GCL sheets.

It is very important not to lay a vapor insulation film on both sides of the insulation. This can lead to the mooring of the material inside the system and the loss of thermal insulation properties of the plates and the entire overlap.

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6. Creating a ventilation system

To create a roofing space system for the entire length of the rafted, on top of the membrane, are nailed or screwed by a cross section of 5 cm. This allows you to create the necessary ventilation from the cornice to the skate to remove excess moisture. Thanks to this winter there will be no formations of land in the underpants space, and the insulation will retain all energy-saving properties. It is important to consider that the cross section of 5 cm are relevant when the slope of the slope is more than 20 degrees. If it is less, then the bar is required by cross section 8 cm.

On top of the bars horizontally, the cladding boards are mounted, which will then fall down the boardwalk. The shadow step is approximately 30 cm, it is selected depending on the thickness of the solid wooden flooring.

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7. Installation of boardwaling

The last stage in front of the device of the flexible tile system is the installation of a board of a mocketer from moisture-resistant plywood or OSP-3 plates. When laying the flooring, it is necessary to make a gap of 3-5 mm between the plates - it compensates for the expansion of the plates under the influence of temperature and moisture.

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8. Laying flexible tile

Installation of flexible tile is made by the same technology as for any pitched roof. With a detailed step-by-step instruction of laying flexible tiles along the boardwalk, you can get acquainted on our website or on video.

Thanks to the stone wool insulation, the OSP-3 stove and the flexible tile design has high noise insulating and energy-saving properties. And the problem of the insulation of the floors of the cold attic is solved in a few days.

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