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C. Sidewalls/Surrounds
•
Locate adjacent combustible sidewalls a minimum of 24 in. (610 mm) from fi replace opening.
•
Mantle leg, surround, stub wall, whether combustible or non-combustible, may be constructed as shown in Figure 6.3.
22 3/8 in.
[568 mm]
Figure 6.3
Mantel Leg, Surround or Wall Projection (acceptable on both sides of opening)
D. Frame the Fireplace
Figure 6.4 shows typical framing using combustible materials (2x4 lumber shown).
•
Observe all required air space clearances to combustible materials as shown in Figure 6.2.
2 in. (51 mm)
min. air space
clearance
from chimney.
C
B
Figure 6.4
Framing the Fireplace
20
Note: Grid depicts 1 inch squares.
FLUSH
FRONT
[914 mm]
46 7/8 in.
(1191 mm)
18 1/2 in.
[470 mm]
24 in.
[610 mm]
A
D
Model #
RUTHERFORD-36
* If interior of chase will be drywalled, add the thickness to this meaurement.
** Adjust header height for raised floor under fireplace.
Heat & Glo • RUTHERFORD-36 • 4059-341 Rev D • 03/09
BRICK
FRONT
36 in.
24 in.
[610 mm]
Framing must be extended straight up, all
the way to the ceiling.
The fireplace header cannot be positioned until
after the fireplace assembly is in place.
Header MUST NOT be notched!
D = extra space needed for outside air connection.
If outside air duct has no bend, this dimension may be
reduced as long as minimum clearances are met.
D
A
in.
47 7/8
mm
1216
4 in.
[102 mm]
19 3/4 in.
[500 mm]
B *
C **
28 1/2
74 1/4
724
1886
D
12
305
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