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CLEARANCES
Minimum clearances to combustibles are:
Back and Sides of Outer Surround
Drywall to Sides of Front Face
(Nailing Flanges)
"B" Vent Surfaces
Ceiling to Opening
Floor
Perpendicular Wall
CAUTION: Do not block required air spaces with
insulation or any other material. Do not obstruct ef-
fective opening of appliance with any type of facing
material.
Left Side
Surround
0 cm/po
Clearance
Front Face
Figure 3 - Minimum Clearances (Top View)
Ceiling
42" (106.7 cm)
Min. Clearance
from Opening to
Ceiling
0" Clearance
*
*
0" Clearance to
Combustible or
Noncombustible
Flooring
Figure 4 - Minimum Clearances (Front View)
6
PRE-INSTALLATION PREPARATION
0" min.
0" min.
1" min.
42" min.
0" min.
See Figure 6
2 x 4 Stud
Nailing
Flange
Back
0 cm/
po
Drywall
1" (2.5 cm)
Min. Clearance
to "B" Vent's
Outer Pipe
Maintain 2" (5.1 cm)
Min. Clearance to
Transition Pipe as
Measured at Outer
Vent Collar
*
*
Required air
spaces are
indicated with
an " * ". Do not
pack with
insulation or
DO NOT BLOCK
any other
OR OBSTRUCT
material.
OPENINGS
SuperiorFireplaces.US.com
MANTEL CLEARANCES AND WALL DETAILS
A combustible mantle shelf maybe installed a maximum 12" (22.9
cm) from wall. Figures 5 and 6 show the minimum allowable dis-
tances from various combustible mantle components in relation to
fireplace opening.
6" (15.2 cm)
A
3" (7.6 cm)
(3.8 cm) Max.
BRT 4036TEN, 4336TEN,
4536TEN, 4036TEP, 4336TEP,
4536TEP
A
14" (35.6 cm)
B
8" (20.3 cm)
Figure 5 - Mantel Clearances - Side View (Cross Section)
1
/
"
1
2
(3.8 cm)
3" (7.6 cm)
Max.
Max.
6" (15.2 cm)
Max.
BRT 4036TEN, 4336TEN,
4536TEN, 4036TEP, 4336TEP,
4536TEP
A
9" (22.9 cm)
B
12" (30.5 cm)
Figure 6 - Side Clearances - Top View (Cross Section)
Combustible
Materials
12"
(22.9 cm)
Header
Spacer
B
1
/
"
1
2
BRT 4042TEN, 4342TEN,
4542TEN, 4042TEP, 4342TEP,
4542TEP
15" (38 cm)
9" (22.9 cm)
TOP VIEW
Combustible
Outer Surround
Material May
Be Used
SAFE
ZONE
A
Perpendicular
B
Wall
BRT 4042TEN, 4342TEN,
4542TEN, 4042TEP, 4342TEP,
4542TEP
6" (15.2 cm)
9" (22.9 cm)
126737-01_E
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