33
Hearth & Home Technologies • BV4236DBI, BV4842DBI • 2209-900 Rev. N • 9/12

A. MantelandWallProjections

WARNING! Risk of Fire! Comply with all minimum clear-
ances as specied. Framing closer than the minimums list-
ed must be constructed entirely of noncombustible materials
(i.e., steel studs, concrete board, etc.).
13 Finishing 

B. FacingMaterial

• Metal front faces may be covered with non-combustible
materials only.
• Facing and/or nishing materials must not interfere with
air ow through louvers, operation of louvers or doors,
or access for service.
• Facing and/or nishing materials must never overhang
into the glass opening.
• Observe all clearances when applying combustible
materials.
• Seal joints between the nished wall and appliance top
and sides using a 300ºF minimum sealant. Refer to
Figure 13.3.
WARNING! Risk of Fire! DO NOT apply combustible
materials beyond the minimum clearances. Comply with
all minimum clearances to combustibles as specied in
this manual. Overlapping materials could ignite and will
interfere with proper operation of doors and louvers.
Figure13.2CombustibleMantelLegorWallProjections
 (Acceptableonbothsidesofopening)
Figure13.1MinimumVerticalandMaximumHorizontal
 DimensionsofCombustibles
CombustibleMantels
CombustibleMantelLegsorWallProjections
Note: All
measurements
in inches.
Note: Measurement is taken from top of the opening,
NOT the top of the replace.
Figure13.3NoncombustibleFacingDiagram
B
A
FACTORY-INSTALLED NON-COMBUSTIBLE BOARD
DO NOT REMOVE
AB
BV4236DBI inches 39-3/4 41
millimeters 1010 1041
BV4842DBI inches 41-3/4 48
millimeters 1060 1219
MEASUREMENTS FRO M
TOP EDGE OF THE OPENIN G
5
10
11
12
2-1/2
13
14
15
16
17
18
19
32
TO CEILING
9
10
11
12
8
7
6
5
4
3
25
18
1 in. (25 mm) min.
to perpendicular wall
A
3-1/2 in. (89 mm) min.
from fireplace opening
to perpendicular wall
B

Mantel Leg or
Perpendicular Wall
Top of
Appliance Drywall
A
B