knicker pu foam

  PU Foam Sealant 750ml (Polyurethane Foam Spray) High-quality PU Foam Sealant 750ml (Polyurethane Foam Spray) for sealing and insulation. Expands to fill gaps, cracks, and cavities effectively. Provides excellent thermal and sound insulation. Strong adhesion to concrete, wood, metal, glass, and plastics. Resistant to moisture, heat, and temperature changes. Easy-to-use spray application for professional…