Bostik Fire Cement (Formerly Cementone Fire Cement) Is manufactured using only the finest quality materials. It is a ready-mixed asbestos-free blend of inorganic fillers and water based thermo-setting resins, which dries cement like when exposed to heat and is suitable for all domestic applications. Bostik Fire Cement is tested up to 1250°C and has excellent adhesion to refractory brickwork and clayware. Bostik Fire Cement is suitable for repairs to a wide range of applications where heat resistance is required, including, fire backs, internal flue pipes, solid fuel heaters, boilers and other surfaces which may be exposed to extreme heat.