9
Step 3
Ceiling Support Installation:
Square Cathedral Ceiling Support (Tall Style)– must be used for cathedral ceilings and may be used as well
for flat ceiling applications. Level the Cathedral Ceiling Support into the rough opening and secure to the
framing using a minimum of three 8-penny nails or three #8 x 1 ½” wood screws per side. Secure the trim collar
using screws supplied with the collar.
Note: The bottom section of the support must extend a minimum of 3-
inches below the ceiling.
