How Are Shingles Made?   What makes Owens Corning shingles special? How is a shingle able to withstand the elements? What gives some shingles a three-dimensional appearance? You'll find those answers here. Owens Corning Shingle Advantage Every shingle Owens Corning makes combines consistent quality with long-lasting beauty and maximum protection. Performance is at the heart of every Owens Corning roofing product. Every Owens Corning shingle line features: Fiberglas® mat that adds weather protection, greater fire resistance and longer life. Weathering-grade asphalt that holds the granules on the shingle and protects the roof from water. Colorful mineral granules that help reflect the sun's rays while adding beauty and style to the roof. Heat-activated adhesive strip that bonds shingles into a single, watertight unit. Class A Fire Rating, the highest available for residential applications. Wind Resistance Rating for winds and gusts up to 110 mph depending on the shingle style selected. Limited product warranties ranging from 20 to 50 years, depending on shingle style. Three-Tab Shingle Construction Three-tab shingles are the roofing industry's standard, consisting of two layers of asphalt around a Fiberglas® mat core covered with ceramic mineral granules, notched into three integrated pieces, or tabs. Owens Corning Three-Tab Shingle Shingle sealant Mineral surface granules Weathering-grade asphalt Fiberglas® mat Weathering-grade asphalt   Laminated Shingle Construction Laminated shingles are created by bonding two asphalt shingles together, giving them a distinct three-dimensional appearance. Laminates are generally heavier in weight, and allow for greater design flexibility.   Owens Corning Laminated Shingle Shingle sealant Mineral surface granules Weathering-grade asphalt Fiberglas® mat Weathering-grade asphalt Mineral surface granules Weathering-grade asphalt Fiberglas® mat Weathering-grade asphalt