Oakridge PRO 30® AR shingles feature muted color blends and a subtle single shadow for an understated complement to home exteriors. Their durable, laminated shingle design features rugged, weathering-grade asphalt and a tough Fiberglas?mat core. Oakridge PRO 30 AR shingles are backed by a 70 mph wind-resistance warranty and carry a UL Class A Fire Rating. Plus, they抮e specially treated to resist roof discoloration due to algae growth, and carry a separate 10-year algae-resistance warranty.