Bond It B3 All Purpose Fill and Fix Expanding PU Foam

Bond It B3 All Purpose Fill and Fix Expanding PU Foam

Bond It B3 All Purpose Fill & Fix Expanding PU Foam is a high-performance, B3 rated polyurethane foam designed for quick, economical, and easy application. Suitable for professional and DIY use, it delivers excellent thermal and acoustic insulation while effectively filling irregular gaps, fixing frameworks, and reducing draughts. Available in both aerosol and gun grade formulations, it provides controlled expansion with low curing pressure to help prevent deformation of building elements.

Features:

• B3 Rating (DIN 4102-1 compliant)
• Low curing pressure to minimise risk of frame distortion
• High thermal and acoustic insulation performance
• Excellent volume expansion for effective gap filling
• Non-shrinking formulation
• Can be cut, sawn, plastered, and sealed once cured
• Adheres to most common building materials
• Available in aerosol and professional gun grade options

Specifications:

• Product Type: Expanding Polyurethane (PU) Foam
• Fire Rating: B3 (DIN 4102-1)
• Application Method: Aerosol can or foam gun grade
• Expansion: High yield, controlled expansion
• Curing: Moisture curing
• Post-Cure Treatment: Can be trimmed, sanded, plastered, or sealed
• Adhesion: Wood, concrete, stone, plaster, metal, PVC, polystyrene
• Primary Uses: Window & door frame installation, gap filling, pipe insulation, joint sealing, thermal
• bridge reduction