Installation Guide

PG 15
to Table 1 on page 6 for clearance and framing specifications. If installing
through a cathedral ceiling refer to Fig 15, the hole is cut directly in the roof.
3. Install Square Ceiling Support Box: Slip the Square Ceiling Support Box into the
framed opening so the square portion projects at least 2 inches below the
finished ceiling and rafters, and extends above the ceiling to framing or decking
materials that it can be nailed to. Level the Support Box, and slit the corners to
the roofline where they extend beyond it. Secure using (3) 8-penny nails, or (3)
1-½” #8 screws, per side (Fig 20).
4. Complete Installation: Refer to Steps 7, 9 & 10 (pages 9-11) in the Ceiling
Supported Installation section to complete the Roof Supported installation.
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