APOC AP-1 Construction Sealant & Adhesive is an all-purpose, heavy duty, paintable and coatable, structural sealant and adhesive. AP-1 is low VOC, low-odor and can be used in a wide variety of industrial, commercial and residential applications. AP-1 exceeds performance requirements of ASTM C920, Type S, Grade Class NS. For use on: roofing, solar, HVAC, siding, landscaping, plumbing and more!