Todays asphalt shingles have their leading layer coated with ceramic-coated granules, however the very first variations were instead covered with crushed oyster shells or slate. MOST ASPHALT SHINGLES HAVE FIBERGLASS MATSOriginal asphalt shingles featured a base layer made from multiple layers of felt paper saturated in asphalt. Today, 90% of asphalt shingles offered in the US have fiberglass mats.We also provide expert roofing services in:tile roofing

Best Roof Repair Company Punta Gorda FL