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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]
Shingles historically were called tiles, and shingle was a term applied to wood shingles, [1] as is still mostly the case outside the US. Shingles are laid in courses, usually with each shingle offset from its neighbors. The first course is the starter course and the last being a ridge course or ridge slates for a slate roof.
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 ...
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.
Solar shingles are photovoltaic modules, capturing sunlight and transforming it into electricity. Most solar shingles are 12 in × 86 in (300 mm × 2,180 mm) and can be stapled directly to the roofing cloth. When applied they have a 5 in × 86 in (130 mm × 2,180 mm) strip of exposed surface.
The Owens Corning Roofing and Asphalt Shingle Recycling Program was launched in 2009 to keep shingles out of landfills. [37] In 2013, Constellation Energy built a 2.7-megawatt solar power system at an Owens Corning insulation plant in Delmar, New York. The power system, which is leased to Owens Corning, can produce 3.3 million kilowatt hours of ...
The covering is also a major element of the architecture, so roofing materials come in a wide variety of colors and textures. The primary roof covering [5] on houses in North America are asphalt shingles, but some have other types of roof shingles or metal roofs. Tile and thatch roofs are more common in Europe than North America.
One of the simplest designs of roof tile, these are simple overlapping slabs installed in the same manner as traditional shingles, usually held in place by nails or screws at their top. All forms of slate tile fall into this category. When installed, most of an individual shingle's surface area will be covered by the shingles overlapping it.