®

Model H-CUE

or

H-CUBE

H-GPF or SD Curb

Model H-G

or

H-GB

Fastener Fastener

Tie Down is

optional on

sizes 060 - 240

Fasteners on each side of the fan are to be installed with one fastener 4 inches (102 mm) from each edge and one

fastener centered. The remaining fasteners are to be equally spaced.

Typical Installation
Fan to Curb Mounting
Typical Installation
Concrete Deck Anchoring
H-CUE
Size
H-CUBE
Size
Fasteners
Per Side
Total
Fasteners
060 - 161 098 - 161 3 12
180 - 200 180 - 240 5 20
- 300 9 36
H-G
Size
H-GB
Size
Fasteners
Per Side
Total
Fasteners
060 - 141 098 - 161 3 12
150 - 180 180 - 300 5 20
Fan to curb tie down is not required to meet 150 MPH wind loads for size 240
and smaller.
Corner Detail
1¼ inch (32 mm)
1¼ inch
(32 mm)
Minimum Concrete
Strength of 2000 PSI
1 inch (25 mm) Insulation
Roof Opening
5 inch (127 mm) Mounting Flange
Outside Flange
Center fasteners
on fl ange
Use 3/8 inch (10 mm) expansion
anchor or equal into concrete.
Fasteners one on each corner
as detailed.
Each side at center of unit.
Maximum fastener spacing of 8
inches (203 mm), add additional
fasteners to satisfy.
Minimum 1¾ inch
(44 mm) edge distance
2½ inch (64 mm)
Embedment Recommended.
Minimum 15/8 inch (41 mm).
H-GPF Curb Height
8 to 18 inches
(203 to 457 mm)
(Optional 24 inch
(610 mm) SD Curb)
All dimensions in inches (millimeters).
H-G
Size
H-GB
Size
H-CUE
Size
H-CUBE
Size Fan Curb Cap Roof Opening Fasteners
Per Side Outside Flange
060 - 075 - 060 - 075 - 17 x 17 (432 x 432) 10½ x 10½ (267 x 267) 5 26 x 26 (660 x 660)
080 - 095 - - - 17 x 17 (432 x 432) 12½ x 12½ (318 x 318) 5 26 x 26 (660 x 660)
- - 080 - 095 - 19 x 19 (483 x 483) 12½ x 12½ (318 x 318) 5 28 x 28 (711 x 711)
101 - 121 071 - 131 098 - 131 098 - 131 19 x 19 (483 x 483) 14½ x 14½ (368 x 368) 5 28 x 28 (711 x 711)
131 - 141 141 - 161 141 - 161 141 - 161 22 x 22 (559 x 559) 18½ x 18½ (470 x 470) 5 31 x 31 (787 x 787)
150 - - - 26 x 26 (660 x 660) 18½ x 18½ (470 x 470) 5 35 x 35 (889 x 889)
160 - 180 180 - 200 180 - 200 180 - 200 30 x 30 (762 x 762) 20½ x 20½ (521 x 521) 7 39 x 39 (991 x 991)
- 220 - 240 - 220 - 240 34 x 34 (864 x 864) 26½ x 26½ (673 x 673) 7 43 x 43 (1092 x 1092)
- 260 - 300 - 300 40 x 40 (1016 x 1016) 32½ x 32½ (826 x 826) 7 49 x 49 (1245 x 1245)
Outside of Roof Curb
(1 inch (25 mm) less than
Fan Curb Cap)
4