Hearth and Home Technologies CD4842IR Indoor Fireplace User Manual


 
Heatilator • Caliber CD Series • 4040-263 Rev N • 11/08 35
3 fasteners
per side
Ceiling firestop
installed below ceiling.
Ceiling firestop
installed above ceiling.
Install attic insula-
tion shields before
or after installation
of vent system.
ATTIC ABOVE
A
PIPE
DVP
SLP
A
10 in. (254 mm)
9 in. (229 mm)
A
C. Install the Ceiling Firestop
A ceiling restop MUST be used between
oors and attics.
DVP pipe only - Frame an opening 10 in.
by 10 in. (254 mm by 254 mm) whenever
the vent penetrates a ceiling/ oor (see
Figure 8.4).
SLP pipe only - Frame opening 9 in. x
9 in. (229 mm x 229 mm) whenever the
vent penetrates a ceiling/floor (see Figure
8.4).
Frame the area with the same sized lumber
as used in ceiling/ oor joist.
• The ceiling restop may be installed above
or below the ceiling joists when installed
with a attic insulation shield. It must be
under joists between oors that are not
insulated. Refer to Figure 8.5.
Secure with three fasteners on each side.
WARNING! Risk of Fire! DO NOT pack insu-
lation around the vent. Insulation must be kept
back from the pipe to prevent overheating.
Figure 8.4 Installing Ceiling Firestop
Figure 8.5 Installing the Attic Shield