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This paper describes the Asphalt Roofing Manufacturers Association's comprehensive research program which has resulted in a validated wind load model that can be used to calculate the uplift pressure on asphalt shingles as a function of approach wind velocities and other wind and building conditions. Also, a tab uplift resistance test method has been developed to measure the ability of asphalt shingles to withstand the imposed pressures due to the wind. In combination, the results of these two efforts provide the shingle manufacturers with the methodology to evaluate and improve their products. The results are not only of interest to the roofing manufacturers, but also to contractors, code officials, insurance companies, roofing specifiers and other professionals in the roofing industry. The results of this work should provide building owners and homeowners with high performance asphalt shingles for extreme wind conditions.
asphalt shingles, wind tunnel studies, wind load model, shingle uplift pressure, tab uplift resistance, gust model
Technical Consultant, Dataw Island, SC
Director of Corporate Quality Assurance, The Celotex Corporation, St. Petersburg, FL