#3 Aerosol Asphalt Primer

TopShield #3 Asphalt Primer to prime newly laid concrete or cement decks, gypsum and masonry thermal insulation prior to applying built-up roofing. For weathered roofing, TopShield #3 can be used before applying built-up roofing, black coatings or reflective coatings. TopShield #3 improves adhesion.