Matrix™307 Premium Asphalt Primer Datasheet -- GAF ...
Uses. MATRIX™ 307 Premium Asphalt Primer has an excellent penetration rate that promotes a tough, weather-resistant foundation coating for: Concrete and masonry roofs, walls or floors prior to the use of asphalt cutback adhesives. Metal edging and flashing, asphalt or weathered composition roofing prior to the application of hot-mopped or ...