Karnak #102 Asphalt Primer provides a firm base and better adhesion for the application of asphalt coatings. Karnak #102 Asphalt Primer is a material composed of selected asphalts and refined solvents. It has good resistance to temperature change, yet dries to a tough film. The Karnak #102 Asphalt Primer is designed for priming surfaces prior to the application of asphalt based damp proofing and waterproofing and is not to be used as a roof coating.