OSI® GS-121™ Gutter & Seam Sealant is composed of SBR rubber and high quality resins, which cures to form a tough, rubbery seal that expands and contracts with the change of weather without cracking. Formulated especially for sealing aluminum, galvanized and vinyl clad gutters and downspouts.
Applications:
Sealing around aluminum, galvanized and vinyl clad gutters and downspouts. Excellent for sheet metal work, ducts and ventilation joints. Sealing seams, joints and cracks in gutter troughs.
| Product | SKU | Unit Price* | Per Case | Total Price |
| Aluminum-10.5oz | 89-8958 | Contact us | 12 | Contact us |
Download PDF: OSI GS121 Tech Data / OSI GS121 MSDS
*Sold in case lots only. Contact Us for Bulk Quantity Pricing.
