6 Vent Clearances and Framing
A. Pipe Clearances to Combustibles
WARNING
Fire Risk. Explosion Risk.
Maintain vent clearance to combustibles as specified.
• 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 fire.
TOP
CLEARANCE
CLEARANCE
AROUND VERTICAL
SECTIONS
SIDE AND
BOTTOM CLEARANCE
C. Vertical Penetration Framing
Use
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.
Figure 6.1 Pipe Clearances
Follow vent pipe manufacturer’s instructions for all clear- ances around pipe.
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