Tuesday, September 22, 2015

The most popular roofing solution

The most popular roofing solution
Asphalt shingles are the most common type of roofing material in the United States. Asphalt shingles were developed in 1903 when Californian Henry M. Reynolds cut small squares from existing rolled roofing to create shingles that could be applied like the scales of a fish to create a water-shedding roof covering.

This economic, attractive, and fire-resistant roofing material quickly gained acceptance and was marketed by catalog companies such as Sears. While many improvements have been made, this application style is still in practice more than a century later. The first shingles consisted of an asphalt (refined crude oil byproduct) saturated mat (cotton and wood fiber) covered with crushed slate or stone.

In 1953 the first self-sealing shingle was introduced improving the weatherproofing ability of asphalt shingles and wind resistance. At about this same time, inorganic mats were developed utilizing asbestos to increase the strength, durability, and fire resistance of the shingles. The next major development occurred in the early 1970’s in response to the oil embargo and dramatic increases in the price of crude oil.

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Manufacturers created the fiberglass mat which is still the backbone of today’s asphalt shingles. The fiberglass mat absorbed less asphalt, reducing the dependence on foreign oil and reducing the weight of the shingles. Shortly thereafter, multilayered or laminated shingles were born, improving aesthetics and increasing durability. Further developments include the addition of copper granules applied with colored granules to prevent algae build up and improved granule coatings to improve UV protection and enhance appearance.

Asphalt roofing shingles are available in three distinct styles; 3-Tab, Architectural, and Designer. 3-Tab Shingles are so named because the tab forming cutouts create the appearance of 3 smaller shingles. 3-tab shingles are typically the most economical form of asphalt shingle.


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