Heat-N-Glo SL-36 Installer's Manual page 30

1. Cut the ceiling hole.
2. Add the new framing
members.
This shows a ceiling
installation.
27
• Drill a hole or drive a nail through this centerpoint.
• Check the floor above for any obstructions, such
as wiring or plumbing runs.
• Reposition the fireplace and vent system, if
necessary, to accommodate the ceiling joists
and/or obstructions.
• Cut an 11-inch X 11-inch (280 mm X 280 mm) for
D-series or 10-inch X 10-inch (254 mm X 254
mm) for SLD-series pipe hole through the ceiling,
using the centerpoint previously marked.
• Frame the hole with framing lumber the same
size as the ceiling joists.
Figure 24. Hole and New Framing Members
If the area above the ceiling is NOT an attic,
position and secure the ceiling firestop on the
ceiling side of the previously cut and framed hole.
CEILING
NAILS (4 REQUIRED)
Figure 25. Ceiling Firestop (Ceiling Side)
JOIST
CEILING FIRESTOP