Heat & Glo LifeStyle 36DV manual Framing the Fireplace, Clearance to Hearth Extension

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.

D

Figure 3. Framing Dimensions

E

A.	......... 51-1/2”
B.	................ 46”
C.	................ 22”
D.	........55-1/8””
E.	.......... 54-1/8”

C

B

A

Framing should be constructed of 2 X 4 lumber or heavier.

Clearance to Hearth Extension

If you want to use a non-combustible hearth extension then the clearance is reduced to 1 inch (25.4mm). See Figure 5.

FRONT EDGE	1” (BUILT INTO UNIT)
OF ASH LIP
12”
4”

3” MIN.

WOOD OR OTHER	NO COMBUSTIBLES	BOTTOM
COMBUSTIBLE	IN THIS ZONE	OF FIREPLACE	MAY BE COMBUSTIBLE
FLOOR OR PLATFORM			MATERIAL

(4” Minimum to top surface of combustible floor or floor covering).

Figure 4. Clearance to an exposed combustible hearth extension

MARBLE, GRANITE, TILE OR
OTHER NON-COMBUSTIBLE	FRONT EDGE
HEARTH EXTENSION
	OF ASH LIP
12”
1”
WOOD OR OTHER COMBUSTIBLE
FLOOR OR PLATFORM	BOTTOM OF FIREPLACE
Figure 5. Clearance to covered combustible hearth extension
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