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
Understanding FM VSH
Dec. 2017
Specifying CERTA
Dec. 2017
Metal flashing thicknesses
Nov. 2017
Assessing application
Oct. 2017
Moisture in concrete roof decks
Sept. 2017
Picking PV
Sept. 2017
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