XL Fire Cement is a ready mixed blend of thermo setting resins and inorganic fillers that cures when exposed to heat, resulting in a mortar which is resistant to temperatures up to 1250 degress|Can be used for domestic and commercial applications on fire bricks, fire grates, flue pipes, flue bricks, boilers and other applications subject to extreme heat|Offers excellent adhesion to fire bricks, blockwork, stone and clayware, asbestos free