Heat & Glo Fireplace 36DV - Manual (Page 10)

10
Framing should be
constructed of 2 X 4
lumber or heavier.
A. ......... 51-1/2”
B. ................ 46”
C. ................ 22”
D. ........55-1/8””
E. .......... 54-1/8”
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.
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.
B
C
A
D
E
Figure 4. Clearance to an exposed combustible hearth extension
Figure 5. Clearance to covered combustible hearth extension
12”
1”
MARBLE, GRANITE, TILE OR
OTHER NON-COMBUSTIBLE
HEARTH EXTENSION
WOOD OR OTHER COMBUSTIBLE
FLOOR OR PLATFORM BOTTOM OF FIREPLACE
FRONT EDGE
OF ASH LIP
12”
FRONT EDGE
OF ASH LIP
NO COMBUSTIBLES
IN THIS ZONE
4”
BOTTOM
OF FIREPLACE
1” (BUILT INTO UNIT)
3” MIN.
WOOD OR OTHER
COMBUSTIBLE
FLOOR OR PLATFORM
MAY BE COMBUSTIBLE
MATERIAL
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.
(4” Minimum to top surface of combustible floor or floor covering).