Installation Guide

BIG ASS FAN 2025
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8
4a. Fasten single angle irons to roof structure mounting points
CAUTION: The angle irons must be fastened to the roof structure at each end.
Fasten the angle irons to the roof structure mounting points at each end with customer-supplied Grade 8 hardware as shown. Tighten
the hardware so that it is snug, but do not torque until the fan has been mounted to the angle irons. Note: Big Ass Fans
recommends orienting the angle irons so that the horizontal legs are facing each other. Refer to the illustration below.
Proceed to step 5.
Angle Iron Hardware (Customer-Supplied):
a. (4) 1/2-13 or M12 Bolt
b. (8) 1/2” or M12 Washer
c. (4) 1/2” or M12 Nut
b
a
d
b
c
Installing the Fan (cont.)
Angle Iron Hardware (BAF-Supplied):
d. (8) 3” Square Washer (see diagram)
If installation requires double angle irons, i.e., span is greater than 8 ft (2.4 m), proceed to step 4b.
Square Washer
Thickness:
1/4” (6 mm)
3”
(7.6 cm)
3”
(7.6 cm)
Ø 9/16”
(1.4 cm)