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.