Insulation for ceiling

Insulation for the ceiling - another modern trend in the decoration of premises. Thanks to special materials that block outflow of heat, the house retains heat, as a result of which people do not overpay for heating.

Thermal insulation is carried out both from the bottom of the room and from above from the attic. In this case it is desirable to follow the observance of the technologies established for the warming method. Before starting work, check your home for leaks. Eliminate the presence of distortions and cracks, eliminate the detected flaws, otherwise they will affect the effectiveness of thermal insulation. If there is an attic above the ceiling, then the insulation can be made in one layer of the material, only at the same time it is necessary to insulate the attic .

After carrying out all the work, you can ask, which insulation is better for the ceiling? To not regret your choice, you need to weigh all the advantages and choose the best insulation for your ceiling.

How to choose a quality insulation?

All heaters are conditionally divided into five types:

  1. Mineral wool . It is a textile fiber made of glass melt, blast furnace slag or volcanic rocks. A thermal insulation with the addition of basalt is very effective. The thickness of the basalt insulation for the ceiling with the addition of mineral wool can range from 30 to 200 mm. The material can be made in the form of rolls or bales and can resemble a carpet track or a block. The first type has a foil side, increasing the effect of thermal insulation.
  2. Foamed polyethylene foam . It is made of foamed polyethylene attached to a layer of metal foil. It has the form of a roll. The thickness of the roll insulation for the ceiling can be 1-20 mm, and the width of the skein - 1 m. Despite the small thickness of the insulation, it is very effective due to the foil, which acts as a heat reflector. Sometimes thin foil-foamed polyethylene is used in combination with another heater. They can cover mineral wool, which will significantly affect the thermal barrier and will not allow the harmful carcinogens to be dispersed from cotton wool.
  3. Polyfoam . It is a cellular foam substance, enclosed in a square or rectangle of regular shape. The thickness of the tile can be 20 - 100 mm. The density of the blocks is 25 or 15 kg / m². Foam sheets are used as an intermediate insulation of hanging and wall frames, and as a roughing base for puttying the ceiling.
  4. Expanded clay . It is made of low-melting clay. Has a porous structure, very light. This insulation is used to fill the attic of the house or the heat cushion for the screed.
  5. Polyplex . Obtained by extrusion of polymers. The sheets are obtained by way of an extrusion mold. The thickness of the plates is 10-200 mm. In construction, slabs with a density of 35-50 kg / cm² are usually used.

For walls and ceiling it is better to use a foam insulation or a liquid foam. It has good fluidity, so it can be poured into any air cavity.

Mounting of insulation

Depending on what type of insulation you have chosen, you will need to calculate the required mounting option. In any case, the installation of insulation is done by strips between the beams on the ceiling. It is desirable that the width of the strips is more by a few cm than the gap between them. Elements of the material must be overlapped. If you use claydite or minvat, you should take into account shrinkage and waterproofing. If it is wrong to calculate the position of the mineral wool, it may lose its elasticity. And because of contact with moist air, the risk of fungal growth will increase. If the waterproofing is done poorly or if the insulation layer is damaged, the ceiling may "bloom" over time.