PU foams by TECHNONICOL with the stable formulation and increased content of closed pores are used for a variety of different tasks: thermal and sound insulation of joints of window and door frames, filling cavities, gaps and cracks, glueing of thermal insulation boards and other building materials, arranging spray foam insulation, etc. Polyurethane foams by TECHNONICOL have an optimal ratio of the large primary volume, curing time and density that guarantees the high speed of application and durability.