OSI® GS-121 Gutter & Seam Sealant is composed of SBR rubber and high quality resins that expand and contracts with the change of weather without cracking. It is formulated especially for sealing aluminum, galvanized and vinyl clad gutters and downspouts.
OSI GS-121 Gutter Sealant – 5 fl.oz. Tube
Colors Available: LG: Low Gloss 30° White
Sold By Piece or 24 Count Box
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