Install The Ceiling Firestop - Heat & Glo LUX36 Owner's Manual

C. Install the Ceiling Firestop
A ceiling fi restop MUST be used between
fl 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/fl oor (see
Figure 8.3).
• Frame the area with the same sized lumber
as used in ceiling/fl oor joist.
• The ceiling fi restop may be installed above or
below the ceiling joists when installed with a
attic insulation shield. It must be under joists
between fl oors that are not insulated. Refer
to Figure 8.4.
• 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 8.3 Installing Ceiling Firestop
CEILING FIRESTOP
INSTALLED BELOW CEILING
Figure 8.4 Installing the Attic Shield
Heat & Glo • LUX36, LUX42 • 2287-900 • 2287-900 Rev. J
PIPE
DVP
INSTALL ATTIC INSULATION SHIELDS
BEFORE OR AFTER INSTALLATION OF VENT SYSTEM
3 FASTENERS
PER SIDE
Rev. J • 6/13
ATTIC ABOVE
A
A
A
10 in. (254 mm)
CEILING FIRESTOP
INSTALLED ABOVE CEILING
35