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SMACNA 1884-2003

Fibrous Glass Duct Construction Standards

Provides the performance characteristics for fibrous glass board as determined by the North American Insulation ManufacturersÆ Association (NAIMA) and Underwriters Laboratories (UL) as well as specifications for closures and illustrations of how to construct the full range of fittings. Also covers details for connections to equipment and air terminals, hanger schedules, reinforcement requirements, fabrication of rectangular duct and fittings, closures of seams and joints, channel and tie rod reinforcements, plus hangers and supports. For 2ö wg or less. Metric units have been provided in a more convenient format, as well as an updated inspection checklist.

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American National Standards Institute [ANSI]


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As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.

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