10 OZ, Premium Polyurethane Roof & Flashing Sealant, One Part, Moisture Curing, Commercial Grade, Specially Formulated To Provide A Permanent, Waterproof Seal When Filling Exterior Gaps, Joints & Cracks, High Performance Sealant Offers Superior Adhesion To A Wide Variety Of Substrates, Remains Permanently Flexible, Paintable, 50 Year Durability Guarantee, Meets Or Exceeds Federal Spec TT-S 00230C, Type II, Class A & ASTM C 920, Type S, Grade NS, Class 25, For Use On Shingles, Gutters, Chimneys, Skylights & Ducts.
A one-part, moisture-curing, commercial grade sealant. Specially formulated to provide a permanent, waterproof seal when filling exterior gaps, joints and cracks. This high performance sealant offers superior adhesion to a wide variety of substrates and remains permanently flexible. Paintable. 50 year durability guarantee. Meets or exceeds Federal Spec TT-S 00230C, Type II, Class A and ASTM C 920, Type S, Grade NS, Class 25. Ideal for use on shingles, gutters, chimneys, skylights, and ducts.