Company: Greenheck Fan Corp.
Product: DFD, FD, and FSD Series
Description: The DFD, FD, and FSD Series dampers can be specified for use in UL floor/ceiling design I503, which is a two-hour fire-rated floor/ceiling assembly made from steel studs and gypsum board. This installation method helps to protect duct penetrations at the top and bottom of fire-rated building shafts. These fire/smoke dampers are approved for installation in horizontal, non-concrete, fire-rated barriers.
Contact: 715-359-6171; www.greenheck.com