Page Header Roof Curbs & Extensions Prefabricated roof curbs reduce installation time and costs by ensuring compatibility between the fan, curb and roof opening. A wide variety of roof curbs are available including: flanged, straight-sided, canted, pitched, ridged, vented, and sound-absorbing. Extensions raise the fan discharge and can provide an accessible mounting location for dampers.
Page Header Model GPI Standard Construction Features INSUlATION - Ridged fiberglass insulation is standard on all GPI curbs. The insulation is securely attached at both the top and bottom with an insulation tray so it will not have any exposed ends. Three pound density insulation is available in 1, 1 ⁄...
The GPFV vented roof curb is typically used for kitchen applications; the vents allow hot air and gases to escape between the ductwork and roof curb. This curb is designed for use with Greenheck fan models CUBE, CUE or USGF to provide the required 40-inch minimum discharge height above the roof line per NFPA 96.
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Designed for use with an 8-inch high roof curb and Greenheck fan models CUBE, CUE or USGF to provide the required 40-inch minimum discharge height above the roof line per NFPA 96. Model VCE consists of galvanized steel or welded aluminum.
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Model ATI, ATIP and ATIR These curbs are designed for roof decks and consist of continuous welded seams. Model ATI for use on flat, non-insulated roofs, ATIP for pitched roofs and ATIR for ridge (double pitched) roofs. They are mounted directly to the...
Models: GPS, GPR, ATS RIDGED Model GPI, GPS, GPR, ATR, ATS, ATI AD (actual) = 1½ inches less than unit curb cap nominal wood nailer curbs GPF, GPFV, GPEX, VCE, ISB, ATE AD (actual) = 1 inch less than unit curb cap...