Bond It B1 Fire Resistant PU Hand Expanding Foam 750ml

Bond It B1 Fire Resistant PU Hand Expanding Foam 750ml

Product Features / Specifications:

A high-performance polyurethane expanding foam, fire rated and tested to BS EN 1366-4, this B1 classified foam is designed to provide effective fire-resistant sealing in demanding construction environments. It seals irregular gaps and expands up to 40 times its can volume, ensuring comprehensive coverage and reliable filling performance. Available in both gun grade and straw aerosol versions, it offers flexibility to suit a range of installation requirements while maintaining professional-grade results.

Applications and Versatility:

With a B1 fire rating and excellent adhesion to most construction materials, this expanding foam is suitable for a wide variety of sealing and insulation tasks. It features low curing pressure, helping to prevent distortion of window and door frames, and delivers high thermal and acoustic insulation performance. Resistant to temperatures from -40°C to +100°C and formulated without CFCs or H-CFCs, it provides long-term durability and environmental consideration. Ideal for the installation of window and door frames and entrance door linings where a clean, controlled backfill is required, it is also suitable for filling holes, insulating penetrations, sealing thermal and acoustic insulation boards, connecting joints, and reducing the impact of thermal bridges.

Features & Benefits:

• Fire Rated Performance – Tested to BS EN 1366-4 with B1 fire classification for enhanced fire protection.
• High Expansion Capacity – Expands up to 40 times can volume for efficient gap filling.
• Excellent Adhesion – Bonds effectively to most common construction materials.
• Low Curing Pressure – Minimises risk of frame distortion during installation.
• Thermal & Acoustic Insulation – Provides strong resistance to heat transfer and sound transmission.
• Wide Temperature Resistance – Performs reliably between -40°C and +100°C.
• Environmentally Considered – Free from CFCs and H-CFCs.
• Versatile Application – Suitable for frames, penetrations, joints, insulation boards, and general gap filling.

Technical Specifications:

• Product Name: Bond It B1 Fire Resistant PU Expanding Foam
• Product Code: BDEFR750
• Size: 750ml
• Type: Polyurethane Expanding Foam
• Fire Classification: B1
• Test Standard: BS EN 1366-4
• Application Method: Straw Aerosol (Gun Grade Also Available)
• Expansion Rate: Up to 40x Can Volume
• Temperature Resistance: -40°C to +100°C

Additional Information:

This product is easy to move by hand, making installation and transportation
hassle-free.

Need assistance or
ready to order?

Contact us at:

• Bootle – 0151 525 4181
• Port Sunlight – 0151 645 4444
• E mail us at: [email protected]