OSI® Micro Gutter Seal
OSI Products / OSI® Micro Gutter Seal
OSI® Micro Gutter Seal OSI® Micro Gutter Seal is a unique multi-polymer compound designed for exterior all-weather applications. Micro is permanently flexible with enhanced adhesion characteristics to prevent rust, stop leaks fast and seal joints on a variety of outdoor surfaces.
- Cures to form a tough, rubbery, water-resistant seal
- Will not become brittle even after years of exposure to freezing and thawing
- Excellent adhesion to wet and dry surfaces
- All weather application
- Permanently flexible
- Self Leveling - No tooling required
- 10.2 fl oz (301ml) cartridge
- 7 fl oz (207ml) squeeze tube
- Clear
Mineral spirits or paint thinner
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Recommended for
OSI® Micro Gutter Seal is recommended for sealing around aluminum, galvanized & vinyl clad gutters, downspouts & other metal seams. Excellent for sheet metal work, ducts and ventilator joints. Works great to seal joints and cracks in gutter troughs.
Not Recommended for
- Use on copper
- Use indoors without proper ventilation to the outdoors during application and cure
- Joints deeper than 3/8" (9.5 mm) without the use of backing material
- Bonding, polystyrene foam and polypropylene or polyethylene plastics
- Applications as an expansion joint control sealant



