18
SHR Series Woodburning Fireplace
20001384
FP532SHR
Fig. 29 Combustible side wall protection and hearth extension dimensions.
Minimum Wall Clearances
WITH
Noncombustible
Surround Facing
WITHOUT
Noncombustible
Surround Facing
Minimum Hearth Extension Dimensions
(for On-Site Construction)
G
H
G
J
Seal cracks
between the
fireplace
and hearth
extension with
noncombustible
material
Safety strips
must overlap
¹⁄₂
" minimum
May install
noncombustible
decorative
covering
OR .018" min.
sheet metal
Fireplace
Hearth
Combustible
Floor
Minimum
Insulation
Value "R":
4" Min.
Firebox
Opening
A - Min. clearance
to combustible
perpendicular wall
B - Min. clearance
to combustible
perpendicular wall when
using noncombustible wall shield*
Side
Wall
Side
Wall
F**
C**
E
E
D
4" Brick
(Example material)
Combustible material permitted within shaded area.
* Noncombustible wall shield requires 1" CFM Corporation
EH2416 insulation (minimum R Value = 1.85) between
decorative noncombustible rigid covering and combustible wall.
Minimum height and width is 40" x 40".
** Dimension/degree of angle will vary depending on thickness
of noncombustible surround facing.
4"
Shaded area starts
1/2" away from
edge of unit
A
B
C
D
E
F
G
H
J
SHR36
20"
12"
35
°
42
°
18"
14"
8"
16"
52"
SHR42A
22"
18"
32
¹⁄₂
°
39
¹⁄₂
°
18"
14"
12"
20"
66"
SHR48
28"
18"
26
¹⁄₂
°
33
°
18"
14"
10"
24"
68"
SHR52
30"
20"
33
¹⁄₂
°
38
¹⁄₂
°
24"
20"
14"
24"
80"
Seal Cracks Between
Fireplace and Hearth
Extension with
Noncombustible
Material
Noncombustible
Decorative Covering
May be Installed
or
.018" Minimum
Sheet Metal
Fireplace
Hearth
Lower
Surround
Majestic Safety
Strips Must be
Overlapped 1/2"
Min.
Minimum Insulation
Value R-3.28
(Refer Table 4)
Min. Thickness
(Refer to Table 4)
2
¹⁄₂
" Min.
Combustible
Floor
FP1169
Majestic Safety
Strips Must be
Overlapped 1/2"
Min.
Minimum Insulation
Value R-0.94
1/4" Min.
Thickness
Combustible
Floor
8" Max.
Thickness
Seal Cracks Between Fireplace
and Hearth Extension with
Noncombustible Material
Cement
Blocks
Lower
Surround
Fireplace
Hearth
FP1170
Fig. 31 Protection of adjacent combustible side walls and hearth extension dimensions.
