Preventing the expensive cost of re roofing.
Roof asphalt shingle sealant wind.
Astm d3161 81 standard test method of wind resistance for asphalt shingles.
This document discusses how to evaluate wind damage to asphalt shingle roofs and tells readers how to identify explain the most common failure mechanisms such as improper nailing failure of shingles to seal.
The more the shingle lifts off the roof the more surface area is exposed between the shingle and the roof leading to a greater uplift force and faster degradation.
Shingle magic is a patented rejuvenating clear sealer developed to protect and preserve your asphalt shingles.
Wind damaged roof shingles.
Asphalt roof shingle bleed out sealant wind resistance research citations.
Berdahl paul hashem akbari ronnen levinson and william a.
Extend your roof life up to 30 years.
Weathering of roofing materials an overview.
Refer to figure 1.
Uplift explained as wind blows it will cause inward and outward pressures on the walls and roof of a building.
Asphalt shingle roofing for high wind regions key issues n special installation methods are recommended for asphalt roof shingles used in high wind coastal regions i e greater than 90 mph gust design wind speed.
First a wind induced pressure differential between the front and back of a shingle i e uplift force has to occur such that the factory applied adhesive fails.
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