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
Discussing dissimilar metals
Nov. 2019
Conduit concerns
Oct. 2019
Nailed it
Sept. 2019
Detail-oriented
Aug. 2019
Planning ahead
July 2019
On the edge
June 2019
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