What shingles have a 30-year warranty?
Most 3-tab shingles (single layer shingles, also known as “strip shingles”) carry a 20 to 30-year limited warranty against manufacturing defects.
Is Owens Corning a good shingle?
GAF and Owens Corning are two of the most popular and trusted shingle brands in the country. Known for their long-lasting products and contractor training programs, you can't go wrong with either of these companies for your roofing materials.
What does limited lifetime warranty mean for roof shingles?
Limited Lifetime Warranty usually refers to the manufacturers warranty on defective shingles. Each shingle company prorates the settlement pay out, based on the age of the shingles at the time of the claim, on any defective shingles.
Where is Corning glass made?
Corning manufactures these products in the United States in Illinois, Maine, Massachusetts, New York, North Carolina, Utah and Virginia and outside of the U.S. in China, France, Mexico and Poland.