Used by ProffesioUsednal Gutter Installers to Seal Corners and Joints
Exceptional ultraviolet resistance
Semi-self-leveling
Asphalt shingle compatible 4-5 permaboot instalations per tube
Excellent adhesion to many building surfaces, even when damp or oily
2321 Gutter and Narrow Seam Sealant is a single-component, elastomeric, semi-self-leveling, high performance tripolymer sealant designed to prevent the passage of air and moisture through small joints or seams.
Common Questions
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TrustScore 4.5 | 7,300+ reviews
Rajesh P.
Customer service was outstanding when I had questions about the product.
2 days ago
Fatima A.
Best international shipping I've ever tried. Worth every penny!
