One Part, Fire Rated, Intumescent Polyurethane Joint Sealant

Bostik Fireban® One is a fire rated intumescent, low modulus, one component, and Class A polyurethane sealant. When cured it will form a tough, flexible fire rated seal capable of cyclic expansion and compression movement of 50% (±25%) of the original installed joint width.

• Fire rated up to 4 hours
• Acoustic rated
• Retains its original properties even after years of weather and UV exposure
• Resistant to weathering conditions
• Excellent weatherability
• Paintable
• Non staining

Recommended Uses

• Interior surfaces
• Exterior surfaces
• Residential applications
• Commercial applications
• Heavy commercial applications

Substrates

• Insitu walls and floors
• Precast panels
• Tilt up panels
• Brickwork
• Blockwork
• Rendered Masonry

Materials

• Brick
• Masonry
• Concrete
• Plasterboard (Fire rated and acoustic rated)
• Fibre Cement Sheet (Fire rated and acoustic rated)