Fibrous Glass Duct Construction Standards,
updated 2003!
The updated 88-page manual provides the performance characteristics
for fibrous glass board as determined by the North American Insulation
Manufacturers’ Association (NAIMA) and Underwriters Laboratories
(UL) as well as specifications for closures and illustrations of
how to construct the full range of fittings. Also covered are 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 2” w.g. or less. Metric units have
been provided in a more convenient format, as well as an updated
inspection checklist.
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