APOC Armor Flash AP-581 Series AP-5811 Silicone Roof Patch, White, Liquid, 1 gal, Pail (Pack of 4)

APOC 581 silicone roof patch is a premium, highly flexible and durable repair product for use with silicone coatings. APOC 581 can be applied in a wide temperature range and can be used to seal flashings, skylights, vents, curbs, penetrations, seams, HVAC units and other types of repairs. APOC 581 provides excellent adhesion to most common building materials and will withstand extreme weathering. Not recommended for use with acrylic, aluminum or asphalt coatings.