Gs121 Gutter Sealant Reviews

Osi gs121 gutter and seam sealant is composed of high quality resins and polymers which cures to form a tough rubbery seal.

Gs121 gutter sealant reviews.

Subscribe to our channel to watch these sealants compete to become the last goop standing. I had to clean out all of the joints i had sealed with this product and reapply geocel gutter sealant which formed a tough skin within 24 hours after application. Gs121 is designed for sealing around aluminum galvanized and vinyl gutters and downspouts sealing seam joints and cracks in gutter troughs and for use on sheet metal air conditioning and heating ducts and ventilators. This seal expands and contracts with the change of weather and temperature without cracking.

Virtually any caulk will stick to a leaky gutter once the gutter is dry and clean. The product applies very easily but had not cured 7 days after application in 40 weather. Do not tool feather or smear sealant. I purchased osi s gs 125 about a year ago and was very disappointed.

Formulated especially for sealing aluminum galvanized and vinyl clad gutters and downspouts. This is the intro to our stress testing of several popular prof. This seal expands and contracts with the change of weather and temperature without cracking. Gs121 is designed for sealing around aluminum galvanized and vinyl gutters and downspouts sealing seam joints and cracks in gutter troughs and for use on sheet metal air conditioning and heating ducts and ventilators.

Gs121 expands and contracts with temperature changes cures to a tough rubbery gasket while remaining permanently flexible. Formulated especially for sealing aluminum galvanized and vinyl clad gutters and downspouts. Gs121 is designed for sealing around aluminum galvanized and vinyl gutters and downspouts sealing seam joints and cracks in gutter troughs and for use on sheet metal air conditioning and heating ducts and ventilators.