Karnak #98AF Fibered Aluminum Roof Coating is made of selected asphalts and pigment flakes of pure aluminum blended with refined solvents and reinforcing fibers for heavy duty service. When Karnak #98AF Fibered Aluminum Roof Coating is applied to the roof, the aluminum flakes leaf to the surface providing a reflective metallic shield over the base of the coating. Karnak #98AF Fibered Aluminum Roof Coating is a true 3 lb. aluminum pigment product conforming to ASTM D-962, Type II.