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
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Tech Today
April 2016
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March 2016
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Feb. 2016
Another round
Feb. 2016
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Jan. 2016
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Dec. 2015
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