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
Trustpilot
TrustScore 4.5 | 7,300+ reviews
Anita G.
Good experience, but the tracking updates could be better.
2 months ago
Reema J.
Perfect platform for hard-to-find items. Delivery was prompt.
