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Laying internal communications is significantly difficult. Poor sound insulation. relatively high cost. to give the necessary stiffness of the panel as a insulation is used only polystyrene or XPS (extruded polystyrene foam), which are very combustible and loved by rodents. It is necessary to apply additional protective measures to exclude heating of the walls and, accordingly, polystyrene foam (example of fire in the Lame Horse club is more than indicative). for the installation of part of the panels of the house, as a rule, a lift crane is required.

SIP panel manufacturers focus on the speed of the building of the house. Installation "on top" of it plasterboard reduces the desire for economy. But there are questions with the installation of boilers, heaters, batteries. PNCLU polystyrene PSB is safe for humans at temperatures below 70 degrees C, provided that the product is of high quality. But the production time of the kit itself "on order" will be 1-3 months, which reduces the savings in time.

OSB layer from the inner part of the wall makes a limit on the possibility of finishing. the presence of cold bridges that appear due to the width of wooden racks, as a rule, no more than 150mm, which is not enough for an energy-efficient dwelling in our climatic zone; non-corporeal adjoining in the places of connection of insulation plates and wooden glazing of the frame - even small gaps or flaws in the installation lead to severe heat losses.

Our construction company "Ecos" uses for the construction of frame houses exclusively cross-double frame, which is devoid of the above disadvantages. This makes it possible to increase the energy efficiency of housing thanks to the second layer of insulation and avoid the appearance of cold bridges. Its main difference from the classic version is the presence of duplicate wooden racks located on the outside of the power frame and oriented perpendicular to the structures of the building.

If we talk about how to build a passive house, then you should slightly change the famous saying: "What is good for the German, then the Russian ... is also good." The technology of construction of such housing came to us from Germany, where it has long been well known. The Germans even developed a special standard Passivhaus Standard, which defines all the requirements for the Design of a country house (gardenhouse24.uk) and construction of such structures. The important thing is that it will be built on your site.

This is especially true for cottage villages. We come to mark the house, and there is "clean field". The administration of the village sends to the aid of Rahmon, he will show everything. It is not important in the shadows or in the sun, far from the neighbor Vasya or close. But in order for such buildings to be considered really passive, the specialists of the construction company "Ecos" agree that the value of the normative indicator should be recalculated. The same opinion is shared by representatives of other domestic developers who began to master energy-efficient projects.

Most likely, in the future, effective technologies will be developed that would allow the construction of Passivhaus in Russia. SIP construction technology was invented more than 50 years ago and came to us from the United States.