CFM Corporation SHR36 - Manual (Page 18)

18
SHR Series Woodburning Fireplace
20001384
FP532SHR
Fig. 32 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
��� " 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"
(508 mm) (305 mm) (457 mm) (356 mm) (203 mm) (406 mm) (1321 mm)
SHR42A 22" 18" 32¹⁄₂° 39¹⁄₂° 18" 14" 12" 20" 66"
(559 mm) (457 mm) (457 mm) (356 mm) (305 mm) (508 mm) (1676 mm)
SHR48 28" 18" 26¹⁄₂° 33° 18" 14" 10" 24" 68"
(711 mm) (457 mm) (457 mm) (356 mm) (254 mm) (610 mm) (1227 mm)
SHR52 30" 20" 33¹⁄₂° 38¹⁄₂° 24" 20" 14" 24" 80"
(762 mm) (508 mm) (610 mm) (508 mm) (356 mm) (610 mm) (2032 mm)
FP1169
Type A floor
12/20/01 djt
Seal Cracks Between
Fireplace and Hearth
Extension with Non-
combustible Material
Noncombustible
Decorative Covering
May be Installed
or
.018" Minimum
Sheet Metal
Fireplace
Hearth
Lower Sur-
round
Majestic Safety
Strips Must be
Overlapped 1/2"
Min.
Minimum Insula-
tion Value R-3.28
(Refer Table 4)
Min. Thickness
(Refer to Table 4)
2¹⁄₂" 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
Noncombustible
Material 7⁷⁄₁₆" Max.
Thickness
Seal Cracks Between Fireplace and Hearth
Extension with Noncombustible Material
Noncombustible
Material
Lower
Surround
Fireplace
Hearth
FP1170
Fig. 33 Protection of adjacent combustible side walls and hearth extension dimensions.