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In 2007, GAF merged with Elk Corporation, a manufacturer of asphalt felts and coatings. [11] In 2011, GAF became the first roofing manufacturer to offer a Lifetime Limited Warranty on all laminated shingles. [5] [6] GAF Energy, a sister company which offers affordable integrated rooftop solar options, was launched in 2019. [12]
A shingle roof in Zakopane, Poland. With an area of 6000 m 2 (1½ acres), it was one of the largest wooden shingle roofs in Europe. A roof’s shingles are a roof covering consisting of individual overlapping elements. These elements are typically flat, rectangular shapes laid in courses from the bottom edge of the roof up, with each successive ...
A ridge vent is a type of vent installed at the peak of a sloped roof which allows warm, humid air to escape a building's attic. Ridge vents are most common on shingled residential buildings. Ridge vents are also used in industrial warehouses to help release the hot air and help circulate comfortable air inside the building .
Asphalt shingles on a home in Avalon, New Jersey. Two types of base materials are used to make asphalt shingles, organic and fiberglass.Both are made in a similar manner, with an asphalt-saturated base covered on one or both sides with asphalt or modified-asphalt, the exposed surface impregnated with slate, schist, quartz, vitrified brick, stone, [6] or ceramic granules, and the under-side ...
In the United States, the International Building Code and ASTM International define Exterior Insulation and Finish System (EIFS) as a non-load-bearing exterior wall cladding system that consists of an insulation board attached either adhesively, mechanically, or both, to the substrate; an integrally reinforced base coat; and a textured protective finish coat.
For a traditional shingle/tile/iron roof, radiant barriers may be applied beneath the rafters or trusses and under the roof decking. This application method has the radiant barrier sheets draped beneath the trusses of rafters, creating a small air space above with the radiant barrier facing into the entire interior attic space below. [ 10 ]
Shingles and shakes may be tapered, straight, split, or sawn, and any combination of these except straight-tapered. Different species and quality of wood are used, as are different lengths and installation methods. Shakes and shingles may also be treated with wood preservatives and fire retardants before or after installation.
At the age of 21, Henry Ward Johns had already patented roofing and insulation products. In 1858, he founded the H.W. Johns Manufacturing Company in New York City . [ 3 ] [ 4 ] In 1885, the Manville Covering Company was established in Wisconsin by Charles B. Manville, whose grandson was the much-married socialite Tommy Manville .