1. A material applied to the surface of a building component to increase its resistance to flaming combustion along the surface.
2. A covering which is applied (as a fluid) on a material to delay ignition and combustion of the material.
1. A material applied to the surface of a building component to increase its resistance to flaming combustion along the surface.
2. A covering which is applied (as a fluid) on a material to delay ignition and combustion of the material.