Soudal Trade B2 Expanding Foam Gun Grade

Fire-Retardant PU Foam for Professional Sealing and Insulating. Soudal Trade B2 Expanding Foam Gun Grade is a one-component, self-expanding polyurethane foam specially formulated to meet B2 fire classification. It is designed for application with a foam gun, offering superior control and precision. Ideal for sealing, filling, and insulating gaps, joints, and cavities in construction and installation projects where fire retardancy is important.. Key Features & Benefits. Fire Retardant: Complies with DIN 4102 B2 classification for fire resistance in building materials.. Gun Grade Precision: Applied with a foam gun for clean, accurate dispensing and minimal waste.. High Yield: Expands to fill large gaps and voids with excellent volume efficiency.. Thermal & Acoustic Insulation: Reduces sound transmission and heat loss through joints and cavities.. Strong Adhesion: Bonds to most construction materials including concrete, brick, wood, metal, and plastics (except PE, PP, PTFE).. Product Details. Type: One-component polyurethane foam. Fire Classification: B2 (DIN 4102-1). Application: Gun-applied for professional use. Colour: Light yellow. Packaging: 750ml pressurised aerosol can. Skin Time: Approx. 10 minutes. Cutting Time: 30–45 minutes. Full Cure: 12–24 hours depending on conditions. Application Instructions. Preparation: Shake can thoroughly. Dampen surfaces for improved adhesion and curing.. Application: Attach can to foam gun and apply foam in controlled beads or layers.. Finishing: Allow foam to expand and cure. Trim excess once hardened and protect from UV exposure.. Limitations. Not UV stable — protect from direct sunlight post-application.. Not suitable for structural joints or areas requiring higher fire classifications (e.g., B1).. Health & Safety. Pressurised container. Use in well-ventilated areas. Avoid inhalation and contact with skin or eyes. Wear appropriate PPE and refer to the Safety Data Sheet (SDS) for full guidance.