10
Framing should be
constructed of 2 X 4
lumber or heavier.
A
. ............. 42”*
B
. ......... 38 1/2”
C
. ............... 22”
D
. ............... 42”
E
. ......... 27 7/8”
Figure 3.
Framing Dimensions
Step 2. Framing the Fireplace
Fireplace framing can be built before or after the fireplace is
set in place. Framing should be positioned to accommo-
date wall coverings and fireplace facing material. The dia-
gram below shows framing reference dimensions.
CAUTION: MEASURE FIREPLACE DIMENSIONS AND
VERIFY FRAMING METHODS AND WALL COVERING
DETAILS BEFORE FRAMING.
S h o w s
center of 12” x
12” vent framing
holes for top and rear
venting. The center of the
hole is one (1) inch (25.4mm)
above the center of the horizontal
vent pipe.
A
B
C
1/2” CLEARANCE FROM BACK OF FIREPLACE TO COMBUSTIBLE
0” CLEARANCE TO
FRAMING MEMBER
0” CLEARANCE
1/2” CLEARANCE
FROM BOTH SIDES
OF FIREPLACE
TO COMBUSTIBLE
FRAMING
MEMBER
E
D
WALL
STUD
3 1/2”
3
”
Noncombustible zone is defined
by 3” above the elbow for the
entire width and depth (behind
the front header) of the firebox.