Heatilator • I60 US-CAN • 4013-202 Rev F • 11/07
11
C. Sidewalls/Surrounds
Adjacent combustible side walls must be located a minimum of 12 in. (305 mm) from the
fi
replace opening. See Figure 3.3.
If you are using a decorative surround constructed of combustible material, it must be located within the shaded area de-
fi
ned in Figure 3.3. Short stub walls are also acceptable if they are contained within the shaded area.
D. Frame the Fireplace
Figure 3.4 shows a typical framing (using 2 x 4 lumber) of the
fi
replace, assuming combustible materials are used. All re-
quired clearances to combustibles around the
fi
replace must be adhered to. See Figure 3.2. Any framing across the top of
the
fi
replace must be above the level of the top standoffs.
23-3/4 in.
(603 mm)
50°
12 in.
(305 mm)
36 in.
(914 mm)
(opening)
45-1/2 in.
(1156 mm)
(framing)
39°
4 in.
(102 mm)
BRICK
FRONT
FLUSH FRONT
12 in.
(305 mm)
19-3/4 in.
(502 mm)
Figure 3.3 Sidewalls and Surrounds
Note:
Fireplace header
cannot be positioned
until the fireplace
assembly is in place.
28 in.
(711 mm)
45-1/2 in.
(1156 mm)
Use only noncombustible
material below the top
of the front standoffs.
2 in. (51 mm)
minimum air
space clearance
to the enclosure.
Figure 3.4 Framing the Fireplace
