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
A field uplift testing update
May 2026
Wind design for steep-slope roofs
Dec. 2025
Understanding wind design
Oct. 2025
Changes are afoot
April 2025
FM Approvals offers steep-slope guidance
Nov. 2024
An updated FM
Oct. 2024
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