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11Heat & Glo • GEM36 • 370-900 Rev. O • 2/05
Framing should be
constructed of 2 X 4
lumber or heavier.
A................. 41-1/2”
B........................ 43”
C................. 17-1/2”
D................. 54-1/2”
E.** ......... 22-15/16”
F.* ............... 49-1/2”
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.
Shows center of 10” 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.
F
A
C
B
1/2” CLEARANCE TO
FRAMING MEMBER
1/2” CLEARANCE
FRAMING
MEMBER
1/2” CLEARANCE
FROM BOTH SIDES
OF FIREPLACE
TO COMBUSTIBLE
1/2” CLEARANCE FROM BACK OF FIREPLACE TO COMBUSTIBLE
Note: Remove cover
plate (if present).
*Studs labeled “F” are necessary if installing the optional Arched Gem
Stone Kits (BKMS6052, BEMS6052, GRS6052)
** Heat-Out framing is 12 inches wide by 10 inches tall, opposite of vent
framing. Center of Heat-Out framing is 1-1/16 inch LOWER than the
center of the Heat-Out pipe.
D
E
H
E
A
T
-
O
U
T