Aggressive adhesive which sticks to almost all surfaces. EPDM, TPO, Metal, Fiberglass, Aged & Rigid PVC, Vinyl, Wood OSB, and most building materialsClear adhesive eliminates grey ring around edge of new patchLess gooey adhesive eliminates slippage during applicationWide temperature range at time of installation. From 25°F without primer to -25°F with Quick Roof SeamPrimeIncreases in adhesion over time