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VENT INSTALLATION
FIRESTOP INSTALLATION
A ceiling firestop must be installed if the vent passes through a ceiling. Refer to the instructions from
the pipe manufacturer. To position firestop refer to Figures 9 and 10. Only one (1) firestop required per
frame.
NOTE: A firestop is not required at the roof.
LOCATE and INSTALL FIRESTOP
1. For ceiling firestops, position a plumb bob over the center of the vertical pipe to spot a hole through
which the pipe will penetrate.
2. Drill a hole through this center point and check for obstructions (i.e. wiring or plumbing).
3. Reposition the fireplace and vent system, if necessary, to accommodate ceiling joists or obstruc-
tions.
4. Cut an 11" x 11" hole through the ceiling, using the center point.
5. Frame the hole with framing lumber the same size as the ceiling joists. Position firestop. If attic is
above, mount firestop on top of framing. Figure 10. If room is above, mount firestop on the bottom
of framing. Figure 11. Secure with nails or screws.
6. Run vent through firestop.
Joist
Figure 10 -
Install Firestop in Attic
When installing in a chase, you should insulate the chase as you would the out-
side walls of your home. This is especially important in cold climates. Insulation
should be considered a combustible material. Maintain proper clearances to all
combustible materials.
Treatment of firestops and construction of the chase may vary from buiding type
to building type. These instructions are not substitutes for the requirements of
local building codes. You must follow all local building codes.
41D2001
Nails
Firestop
Spacer
FP2020
BV4536, BV5142 Natural Vent Gas Fireplace
Nails
Firestop Spacer
Figure 11 -
Install Firestop in Ceiling
Joist
13
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