- Bostik Firecaulk is a fire rated acrylic (water based) sealant with gun grade mastic with limited joint movement capability.
- Fire rating for gaps up to 50mm.
- Designed for Australian conditions.
- Good flexibility joint movement 5%.
- One part no mixing required.
- Bostik Firecaulk Sealant is a general purpose product for construction joints and the sealing of service penetrations in plasterboard, concrete floors and masonry wall constructions.