One-component polyurethane pistol foam designed for specialized assembly groups, for assembly, sealing and soundproofing. The foam is distinguished by an above-average real capacity - one can can get up to 65 liters w, has excellent thermal insulation and soundproofing parameters, has a regular structure, durability over time, flexibility, waterproofness, thermal resistance and exceptional dimensional stability. The foam cures under the influence of moisture in the air. Especially recommended for installing doors and windows, thermal insulation of water, sewage and central heating networks, gluing and insulating wall panels, corrugated sheets, roofs, etc., thermal insulation of roofs and ceilings. Filling gaps in thermal insulation when insulating buildings and in constructions skeletal. The foam is also available in the winter version.