Fire Rated Expanding Foam (Gun Grade) - Class B1

Fire rated expanding foams are quick-setting polyurethane foams which expand on application.  They act as a fire seal in accordance with the test criteria in BS476 Part 20. These foams also posses insulating and sound deadening properties. Grade B1 gives up to 4 hours fire resistance dependant on joint configuration.

Applications:

• Firestopping linear gaps in walls & floors.
• Sealing gaps around fire doors & windows.