Seal and bond roof shingles, flashing, and gutters with this all-purpose roofing sealant from OSI. The synthetic rubber and asphalt formula cures to a tough, flexible seal that expands and contracts with temperature changes without cracking.

• 10.2 oz cartridge for standard caulk guns
• Synthetic rubber and asphalt formula for lasting flexibility
• Bonds shingles, flashing, gutters, and downspouts
• Resists water, UV, cracking, and cold weather
• Apply in temperatures from 20 degrees F to 90 degrees F
• Sets in 24 hours; 1/4" bead covers approx. 32 linear ft
• Black color

FOR CALIFORNIA SHOPPERS

Hello Californians! Your government wants us to show you the following message:

• ⚠  WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov.