11
Wood framing with 1/2” (13 mm) clearance allowed at
corners only. Otherwise use steel framing if against appliance.
1/2” (13 mm) clearance to appliance
2” (51 mm) clearance to combustible
2” (51 mm)
clearance to
combustible
Non-combustible material
44-1/2” (1
130 mm)
45°
45°
Min. 9” (229 mm);
beyond, can
be combustible
Min. 9” (229 mm);
beyond, can
be combustible
10” (254 mm) min.
sidewall clearance
4”
(102 mm)
4” (102 mm)
Combustible projections allowed in this area
provided area is separated from the main cavity
by non-combustible wall finish. Otherwise
everything below stand-off height and within
cavity must be non-combustible.
Framing/Finishing of projections/Extensions
around fireplace opening must be
non-combustible material
Non-combustible wall
finish here separating
cavity from combustible
projections
Fireplace
opening
Non-combustible wall
finish here separating
cavity from combustible
projections
Non-combustible
material only
against appliance
Wood stud
allowed at
corners only
Combustible
wall finish
allowed if
framing out
to flanged
opening
Projecting surfaces
within 4” (102 mm)
of opening must be
non-combustible
Combustible finishing materials
up to
1-1/4” (32 mm)
thickness allowed below opening height.
Combustible projections
greater than
1-1/4” (32 mm)
must otherwise be kept min. 4” (102 mm) below opening.
45°
WARNING
Ensure weight of wall above is
NOT carried by the appliance.
!
WARNING
Ensure weight of wall above is
NOT carried by the appliance.
Planning
Clearances—Combustible Projections
