The SealTite GS121 Gutter Sealer is a premium-grade sealant formulated to provide a long-lasting, watertight bond for gutter systems. Perfect for sealing joints, end caps, miters, and outlets, this versatile sealant adheres to aluminum, steel, vinyl, and copper. GS121 offers excellent flexibility, weather resistance, and UV protection, making it ideal for both new installations and repairs. Its fast-drying formula and easy application ensure quick, mess-free sealing that holds up in extreme conditions. A must-have for contractors and DIYers alike.
Gutter Systems
SealTite GS121 Gutter Sealer
High-performance GS121 gutter sealer—permanent, flexible seal for joints, seams, and leaks in all gutter types.
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