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
Research roundup
May 2020
FM Global makes some changes
April 2020
Specifying specifics
March 2020
Putting it to the test
Feb. 2020
Consider the deck
Jan. 2020
Working toward the future
Dec. 2019
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