CFM Corporation SHR48 Minimum Wall Clearances, Minimum Hearth Extension Dimensions, 20001384, E F

Models: SHR48

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Minimum Wall Clearances

SHR Series Woodburning Fireplace

Minimum Wall Clearances

WITH

 

WITHOUT

 

Noncombustible

 

Noncombustible

Surround Facing

 

Surround Facing

4" Brick

 

Shaded area starts

 

1/2" away from

 

(Example material)

 

edge of unit

 

 

 

4"

 

E F**

Firebox

E

D

 

Opening

 

C**

A - Min. clearance

 

 

 

to combustible

 

 

Side

perpendicular wall

 

 

B - Min. clearance

Side

 

Wall

to combustible

Wall

 

 

perpendicular wall when

 

 

using noncombustible wall shield*

 

E F** 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.

Minimum Hearth Extension Dimensions

(for On-Site Construction)

 

H

G

G

 

 

 

 

 

 

J

 

Seal cracks

 

 

May install

between the

 

noncombustible

fireplace

 

 

decorative

and hearth

 

 

covering

extension with

 

OR .018" min.

noncombustible

 

sheet metal

material

 

Fireplace

 

 

 

Hearth

4" Min.

 

 

 

Combustible

Minimum

Safety strips

Floor

Insulation

must overlap

 

Value "R":

���" minimum

 

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⁄°

 

39¹⁄°

18"

14"

12"

20"

66"

 

(559 mm)

(457 mm)

 

 

 

(457 mm)

(356 mm)

(305 mm)

(508 mm)

(1676 mm)

SHR48

28"

18"

26¹⁄°

 

33°

18"

14"

10"

24"

68"

 

(711 mm)

(457 mm)

 

 

 

(457 mm)

(356 mm)

(254 mm)

(610 mm)

(1227 mm)

SHR52

30"

20"

33¹⁄°

 

38¹⁄°

24"

20"

14"

24"

80"

 

(762 mm)

(508 mm)

 

 

 

(610 mm)

(508 mm)

(356 mm)

(610 mm)

(2032 mm)

 

 

 

 

 

 

 

 

 

 

 

FP532SHR

Fig. 32 Combustible side wall protection and hearth extension dimensions.

Noncombustible Decorative Covering May be Installed or

.018" Minimum Sheet Metal

2¹⁄₂" Min.

Combustible Minimum Hearth Extension Dimensions

Floor

Seal Cracks Between Fireplace and Hearth Extension with Non- combustible Material

Lower Sur-

roundFireplace Hearth

Seal Cracks Between Fireplace and Hearth

Extension with Noncombustible Material

Noncombustible

Lower

 

Surround

 

Material 7⁷⁄₁₆" Max.

 

Noncombustible

 

Thickness

Fireplace

Combustible

Material

Hearth

 

 

 

Floor

 

 

1/4" Min.

 

 

Min. Thickness

 

 

 

(Refer to Table 4)

 

Majestic Safety

 

 

 

 

 

 

Strips Must be

Minimum Insula-

Overlapped 1/2"

tion Value R-3.28

Min.

(Refer Table 4)

FP1169

 

 

 

Thickness

Majestic Safety

Minimum Insulation

Strips Must be

Value R-0.94

Overlapped 1/2"

Min.

 

 

FP1170

Fig. 33 Protection of adjacent combustible side walls and hearth extension dimensions.

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20001384

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CFM Corporation SHR48 Minimum Wall Clearances, Minimum Hearth Extension Dimensions, SHR Series Woodburning Fireplace, E F