One-component, medium-grade, solvent release caulking compound. Cures to form a tough elastomeric seal that maintains its bond under most weather conditions. Developed to eliminate the problems of extrusion, cut-off, stringing and dirt collection. No tooling need when applied as directed. All-season formula. Extrudes easily between 0 deg F and 100 deg F. Paintable after curing. Do not use in cracks or joints exceeding 3/8 in W by 3/8 in D. Meets federal specifications TT-S-001657, Type 1 and ASTM C 920-79, Type S, Grade NS, Class 12 1/2, Use T.
Gutter and foundation butyl rubber sealant is a high-quality, long-lasting formula that is ideal for outdoor jobs requiring a durable, watertight seal. It can be used around concrete foundations and expansion joints, on gutters and in below-grade areas such as basements. Cured sealant is mildew-resistant.