FIELD: construction.
SUBSTANCE: layered thermal insulation systems used for thermal protection of building structures, brick, concrete and reinforced concrete surfaces of external and internal enclosing and load-bearing structures, including foundations, plinths, walls, partitions, floors at operating temperatures from -60°C to +260°C, as well as methods for applying a protective coating to these surfaces. A multi-layer polymer system for thermal protection of building structures, walls of buildings and structures based on vapor-permeable non-flammable ultra-thin thermal insulation contains layers successively applied to the protected surfaces of structures: an adhesive layer in the form of an organosilicon primer based on an aqueous solution of potassium methyl siliconate; a layer of insulating plaster with a density of at least 700 kg/m3, based on foamed polystyrene with the addition of a binder, layer thickness 1.0-4.0 cm; reinforcing layer with a thickness of 1.0 to 2.0 mm; the main thermal insulation layer in the form of non-flammable (NF class) vapor-permeable ultra-thin thermal insulation with a vapor permeability coefficient of 0.03 mg/(m⋅h⋅Pa) and thermal conductivity coefficient of 0.001 W/(m°C) based on hollow microspheres, with a total thickness of the thermal insulation coating from 0.5 to 4.0 mm; protective and decorative layer in the form of acrylic water-dispersion paint.
EFFECT: expansion of the scope of application of multilayer polymer thermal insulation systems through the use and, as a consequence, achievement of the required overall heat transfer resistance of the structure while reducing the thickness of the thermal insulation coating and insulating plaster, as well as the possibility of using various finishing materials while maintaining the thermophysical and thermotechnical properties of liquid thermal insulation, preserving the architectural appearance of buildings and structures, including heritage sites, reducing additional load on foundations and basis.
1 cl, 3 dwg
