Geocel 2320 10.3 Oz. Aluminum Gray Construction Tripolymer Gutter & Narrow Seam
2320 & 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. Use on asphalt shingles, brick (masonry), concrete, glass, vinyl, wood, sheet metal, and other common building substrates.