Bostik Fireseal Intumescent Silicone White 310ml provides excellent adhesion to a wide range of substrates including masonry. It will not slump in joints up to 25mm wide. It can be used in both movement and non-movement linear joints such as; for open butt joints in screens, partitions and structural walls.

Key Features

• Resists the passage of fire for up to 4 hours depending on application
• Excellent adhesion to wide variety of substrates
• Suitable for external use