OSI RF140 Roof and Flashing Sealant is a professional-grade, solvent-based adhesive specifically formulated for bonding roof shingles, flashing, and general roofing repairs. Engineered with a blend of synthetic rubber and asphalt, it cures into a tough, rubbery seal that remains flexible to accommodate expansion and contraction during extreme temperature fluctuations. This high-performance sealant is UV and water-resistant, making it ideal for wet or dry applications in temperatures ranging from 20°F to 90°F. It is also suitable for minor repairs in gutters, downspouts, and asphalt surfaces, providing a long-lasting bond that resists cracking and weathering.
OSI Roof and Flashing Sealant, Series: RF140, 10.5 oz Capacity, Cartridge, 235 g/l VOC, Paste, Black, 30.6 ft at 1/4 in Bead, 13.6 ft at 3/8 in Bead Coverage, 20 Min Application, 24 - 48 hr Functional Cure, Slightly Solvent Odor/Scent, 64.99 Deg F Flash Point, Media: Water Spray (Fog), Foam, Dry Chemical and Carbon Dioxide, Composition: Limestone, Kaolin, Methyl Acetate, Asphalt, Pentaerythritol Ester of Rosin, Stoddard Solvent, <0.1% Benzene, Distillates (Petroleum), Hydrotreated Heavy Naphthenic, Acetone, Xylenes, Carbon Black, Titanium Dioxide, Ethylbenzene Quartz (SiO2), Flammability Rating: 2, 1.302 Specific Gravity, 20 - 90 Deg F Application, Application Method: Caulking Gun, 25 Shore A Shore, Synthetic Rubber and Resins Base, -20 To 170 Deg F, Resists: Cracking, UV and Water, Standards: ASTM D4586, ASTM D3409, For Bonding Roof Shingles, Flashing and All General Roof Repairs
Packaging/Shipping Size and Weight:
Length: 8" | Width: 6" | Height: 12" | Weight: 0.083333 lbs