Specifying wind design
NRCA is receiving an increasing number of reports indicating project drawings and specifications incompletely, inadequately or inaccurately address proper wind design for low-slope membrane roof systems. Some designs, according to reports, only include a specification requirement for the roof system manufacturer to provide a wind warranty.
But there are minimum requirements for proper wind design of low-slope membrane roof systems.
Building codes typically provide specific requirements for reporting design loads, including wind loads, in contract documents.
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