Vertical Penetration Framing - Heat & Glo Soho24B Owner's Manual

C. Vertical Penetration Framing
A ceiling fi restop MUST be used between
fl oors and attics.
• Frame opening 9 in. x 9 in. (229 mm x 229
mm) whenever the vent penetrates a ceiling/
fl oor (see Figure 6.3).
• 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 6.4.
• Secure with three fasteners on each side.
WARNING! Risk of Fire! DO NOT pack
insulation around the vent. Insulation must be
kept back from the pipe to prevent overheating.
Figure 6.3
CEILING FIRESTOP
INSTALLED BELOW CEILING
Figure 6.4 Installing the Attic Shield
Heat & Glo • Soho24B • 2137-900 Rev. P • 8/12
PIPE
SLP
INSTALL ATTIC INSULATION SHIELDS
BEFORE OR AFTER INSTALLATION OF VENT SYSTEM
3 FASTENERS
PER SIDE
ATTIC ABOVE
A
A
A
9 in. (229 mm)
CEILING FIRESTOP
INSTALLED ABOVE CEILING
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