Oakridge PRO 40?AR Shadow shingles feature distinct color blends and a complementary shadow for a softly textured dimensional look. Their durable, laminated shingle design features the most weathering-grade asphalt available and a tough Fiberglas?mat core. Oakridge PRO 40 AR Shadow shingles are backed by an 80 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.            欧文斯科宁瓦产品简介 欧文斯科宁瓦规格型号 欧文斯科宁瓦质量保证 欧文斯科宁瓦安装指导