Greenheck Fan ATR, GPS, ATS ModelPageGPIHeaderStandard Construction Features, Lap Joints - Wood

ModelPageGPIHeaderStandard

Construction Features

Insulation - Ridged fiberglass insulation is standard on	Lap Joints - Wood
all GPI curbs. The insulation is securely attached at both the	nailers attached to GPI
top and bottom with an insulation tray so it will not have any	curbs consist of notched
exposed ends. Three pound density insulation is available in	and lapped joints to ensure
1, 11⁄2, and 2‑inch thicknesses.	strength and durability.

	Construction -
Formed Body Curb -	Curb sizes under
Curbs are perfectly formed	50 inches square are
on three sides and have only	18 gauge galvanized
one welded seam to ensure a	steel or 0.064 aluminum.
strong square curb.	Curb sizes 50 inches
	square and greater are
	16 gauge galvanized
	steel or 0.080 aluminum.

Optional Coatings -	Optional Damper Tray -
A wide variety of coatings and	Designed to hold a standard
colors are available:	Greenheck damper. The design
Decorative coatings are available in	includes flanges, which allow the
	damper to be placed in the tray
sixteen standard colors.
	and fastened.
Protective coatings are available
	Optional Curb Seal - This rubber seal between
in five electrostatically applied
powders providing a selection for	the fan and the curb cap is available to ensure
most environments.	proper performance of the fan. The seal also helps
All coatings and relative resistance	prevent insects and moisture from entering and
	reduces vibration transmission in the ductwork.
charts can be found in Greenheck’s
	Optional Liner (Double Shell) - Available for
Product Application Guide for
Performance Coatings for Ventilation	installations where it is not desirable for insulation
Products.	to be exposed to the airstream.
Optional Security Bars -
Model GPI with security bars is
available up to 50 by
92 inches to prevent
unlawful entry. The bars
consist of 1/2‑inch diameter
A-36 mild steel, welded
6 inches apart from one
another and are powder
coated.

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