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6
Vent Clearances and Framing
A. Pipe Clearances to Combustibles
WARNING
Fire Risk.
Explosion Risk.
Maintain vent clearance to combustibles as
specifi ed.
• Do not pack air space with insulation or other
materials.
• National building codes recommend using attic
shield to keep loose materials/insulation from
contacting vent.
Failure to keep insulation or other materials away from vent
pipe may cause fi re.
C L E A R A N C E
Note: 1 in. clearance
all around pipe
C L E A R A N C E
A R O U N D V E R T IC A L
S E C T IO N S
Figure 6.1 Pipe Clearances
Follow vent pipe manufacturer's instructions for all clear-
ances around pipe.
TO P
S ID E A N D
B O T TO M C L E A R A N C E
Heat & Glo • SL-550 / 750 / 950TV-IPI-E • 2119-900 Rev. G • 9/08
B. Vertical Penetration Framing
Use B-vent manufacturer's fi restops to provide adequate
clearances.
WARNING
Fire Hazard
Keep loose materials or blown insulation from
touching the vent pipe.
• National building codes recommend using
attic shield to keep loose materials/ blown
insulation from contacting vent.
• Hearth & Home Technologies requires the use
of an attic shield.
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