APOC 103 Bond N’ Prime Asphalt Primer is a professional grade primer formulated with a high penetrating solvent and select asphalt. It is designed to promote superior adhesion of roofing materials. APOC 103 can be used to prime newly laid concrete or cement decks, gypsum, masonry thermal insulation and weathered roofing prior to applying built-up roofing. APOC 103 can also be applied to weathered roofing prior to application of black or reflective coatings. Meets ASTM D41 and Miami-Dade County Product Control Approved.