DAP Gutter & Flashing Low VOC advanced polymer formula sealant delivers excellent performance on aluminum, steel, galvanized bonderized surfaces, PVC, concrete, wood, painted surfaces, and many other common building substrates. It forms a flexible, watertight and weatherproof seal that withstands up to +/-25% total joint movement. It offers wet weather and low temperature application. It is paintable and has virtually no VOCs (less than 1%). 100% water and weatherproof. Low odor. Interior/exterior use. Meets ASTM Specification C 920, Type S, Grade NS, Class 25, Use NT, A, G, M and O. Suggested Uses: Ideal for Sealing: Gutters, Drain Spouts, Flashings Ducts/Vents Corner & Butt Joints, Corrugated Roofing Aluminum Siding.