Black Jack® Eterna-Kote® Stain Block Roof Primer
Stain Block Roof Primer
A premium stain blocking primer designed to coat over asphalt roofing products. This light gray base coat seals asphalt surfaces, so the top coating maintains color integrity and a brighter finish that delivers maximum reflectivity. Also, this high adhesion formula improves performance and coverage rates of roof coatings. Use prior to Black Jack® ETERNA-KOTE® Silicone or Black Jack® White Elastomeric Roof Coatings. Waterbased technology is RainSafe in 2 hours, has low odor and easy cleanup.