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Fibrous Glass Duct Construction Standards, 8th Edition

SMACNA - Fibrous Glass Duct Construction Standards

The eighth edition provides important updates from former editions, with 1400 EI 2” board now covered within the standard. This new standard also includes revisions to tie rod reinforcements, channel system reinforcement, partial wrap-around reinforcement, and fasteners associated with the newer boards. Additional provisions for fittings, closures, and specifications referencing the North American Insulation Manufacturers Association (NAIMA) and Underwriters Laboratories (UL) are included.

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