NRCA - Professional Roofing
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Contributor: Mark S. Graham
Mark S. Graham
NRCA’s vice president of technical services
Featured Article
Featured
A field uplift testing update
Column
May 2026
A new edition of ASTM E907 has been published
More from the Author
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Sept. 2016
Putting shingles to the test
Sept. 2016
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Aug. 2016
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July 2016
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June 2016
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May 2016
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