varieties, performance and installation techniques
Today we will talk about the insulation for the attic roof, because this material plays the most important role in the roofing structure itself. After all, the attic building, in fact, serves as walls and roofs at the same time. And since its thickness is insignificant, it means that a sufficiently large amount of thermal insulation work has to be carried out, where great importance is attached to the choice of insulation. If you understand the proposed information, you can easily select the insulating material for the attic of your house. And no one can fool you.
To begin with, the insulating materials on the modern market are represented by a wide range. But the question of what kind of insulation is better for a mansard roof, and today is acute. Experts do not recommend all of the proposed, and not everyone uses, as practice shows. All kinds of mineral wool, polystyrene foam plates (foamed and extruded), polyurethane foam and ecowool are in demand. About them and will talk.
Today there are a large number of requirements for thermal insulation materials, which, in principle, they must meet. But even the above are not suitable for all required criteria.
So what should pay attention to when choosing insulation:
thermal conductivity ;
density , on which the thickness of the heater used will depend, here, the denser the material, the less layer it can be laid;
low combustibility ;
environmental friendliness , the material should not emit any unpleasant odors and toxic substances.
Comparison of insulation according to criteria
For simplicity of perception of information, to make it easier to compare heaters with each other, we summarized the characteristics in a single table for the points.
Thermal Conductivity, W / m K
Density, kg / m³
special equipment is required
special equipment required
Service life, year
On our website you can get acquainted with the most popular projects of houses with an attic from construction companies represented at the exhibition "Low-rise A country".
One could add a few purely technical parameters that would reflect the strength of the insulation. But in our case, when the task is to insulate the mansard roof, these figures are not so important, because the material is not subjected to mechanical loads in the roof system.
What can be said by comparing all the parameters with each other. According to the insulating qualities of the best insulation for the roof of the attic - polyurethane foam. And his life is not bad. But this material is a foam consisting of two components that must be pre-mixed in a special container, and then create pressure so that the foam flies out of the tank. That is, to cover the attic roof with polyurethane foam, you need special equipment. And this increases the cost of the work.
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