Karnak #107 Velvet Roof Coating is a non-fibered specially formulated black coating for use on all types of smooth surface asphalt roofs. Karnak #107 Velvet Roof Coating will withstand the rigors of hot summer temperatures and provide excellent protection against the ravages of weather and corrosion. It is prepared from selected asphalts and is carefully admixed with refined solvents to form a heavy paint consistency.