- Fire rating for gaps up to 40mm
- Good flexibility join movement
- Asbestos free
Fire rated acrylic sealant
Bostik Firecaulk is a single component, non-sag, fire rated acrylic based gunnable sealant. A general purpose product for construction joints and the sealing of service penetrations in plasterboard, concrete floors and masonry wall constructions. Bostik Firecaulk is a gun grade acrylic based sealing compound specifically manufactured for sealing low movement interior joints (up to ±25%) in masonry and plasterboard to provide a fire barrier for periods up to 4 hours.
Classification / Standards
Fire resistance when tested in accordance with AS1530.4-2014 and AS4072.1-2014.
* rating dependant on overall wall system configuration.