Bostik Fireban One Sealant

Bostik Fireban One is a premium fire rated polyurethane sealant designed to protect building joints while maintaining flexibility and strength. This fire rated joint sealant delivers up to 4 hours of fire resistance, making it ideal for both commercial and residential projects that demand compliance with Australian standards.

Engineered as a fire rated intumescent sealant and acoustic sealant, Fireban One provides long-term durability, excellent weather and UV resistance, and reliable adhesion to a wide range of substrates. It’s suitable for use in insitu concrete floors, precast panels, brickwork, blockwork, fibre cement, plasterboard, and rendered masonry.

Trusted across Australia, this Bostik fire rated sealant is easy to apply, non-staining, paintable, and resistant to fungal growth — ensuring both safety and performance in demanding environments.