Ryabov S. V., SP. Asbestos, Russia

Make winterizing your home from Foundation to roof thermal insulation material - polyurethane foam. It is absolutely environmentally friendly, after curing, flame retardant, has the lowest thermal conductivity among thermal insulation materials do not absorb moisture, protects the surface on which it is applied from rot and rust, very easy - no pressure on design, is a good insulator, requires no additional hardware, and will last you for over 50 years!