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C. install the ceiling firestop – Heat & Glo Fireplace XLR-PLUS-PB-AU User Manual

Page 32

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Heat & Glo • XLR-PLUS-N-AU, XLR-PLUS-PB-AU • 2264-900 Rev. o • 1/13

32

C. Install the Ceiling Firestop

A ceiling firestop

MUST be used between

floors and attics.

SLP pipe only - Frame opening 9 in. x 9

in. (229 mm x 229 mm) whenever the vent

penetrates a ceiling/floor (see Figure 8.3).

• Frame the area with the same sized lumber

as used in ceiling/floor joist.

• The ceiling firestop may be installed above or

below the ceiling joists when installed with a

attic insulation shield. It must be under joists

between floors 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

ATTIC ABOVE

A

PIPE
SLP

A

9 in. (229 mm)

A

Figure 8.4 Installing the Attic Shield

3 FASTENERS

PER SIDE

INSTALL ATTIC INSULATION SHIELDS

BEFORE OR AFTER INSTALLATION OF VENT SYSTEM

CEILING FIRESTOP

INSTALLED BELOW CEILING

CEILING FIRESTOP

INSTALLED ABOVE CEILING

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