Knauf Firecaulk Sealant is a water-based acrylic sealant that has been formulated to provide the right balance of hardness and flexibility for fire rated joint applications.
Designed for sealing indoor joints with fire retardant requirements between walls and ceilings as well as perimeter sealing of fire rated doors and windows,
Knauf Firecaulk Sealant has excellent adhesive capabilities to most construction materials such as metal, concrete, plasterboard, bricks, painted wood, aluminium, etc. Knauf Firecaulk Sealant has good STC acoustic properties when used in appropriate Knauf systems.
Indoor joints with fire retardant requirements (joints between walls and ceiling, perimeter sealing of fire rated doors and windows). It has good adhesion on most construction materials (concrete, bricks, painted wood, aluminium, etc.)