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
Tech Today
June 2007
Tech Today
May 2007
Tech Today
April 2007
Tech Today
March 2007
Understanding wind-resistant design
March 2007
Tech Today
Feb. 2007
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