Minimum Wall Clearances

Vermont Castings EWF36A

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

 

 

 

 

 

Opening

D

C**

 

 

 

A - Min. clearance

 

 

 

 

 

 

 

 

to combustible

 

 

 

 

perpendicular wall

 

 

Side

B - Min. clearance

Side

Wall

to combustible

 

 

perpendicular wall when

Wall

 

 

 

using noncombustible wall shield*

 

 

WITHWITHOUT Combustible material permitted within shaded area.

*Noncombustible wall shield requires 1" 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)

NOTE: No material may

H

G

G

 

 

 

cover black cast face.

 

 

J

Hearth extension must be

 

 

 

 

 

flush with bottom of fireplace.

 

 

 

 

Seal cracks

 

May install

between the

 

fireplace

 

Fireplace

noncombustible

and hearth

 

decorative

extension with

Opening

covering

noncombustible

 

OR .018" min.

material

 

 

sheet metal

 

 

 

 

956O" Required

 

 

 

1" Min.

 

 

 

 

Combustible

 

1" Min.

 

"Z" Safety strips

 

 

Floor

 

EH2416 or

must overlap

 

 

Equal "R" Value

56O" minimum

 

 

A

B

C

D

E

F

G

H

J

 

 

EWF36A

24”

12”

17°

25°

12”

8”

8”

18”

57”

FP1201

 

 

610 mm

305 mm

 

 

305 mm

203 mm

203 mm

457 mm

1448 mm

Fig. 26 Combustible side wall protection and hearth extension dimensions.

20005167

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MHP manual Vermont Castings EWF36A, Minimum Wall Clearances, Minimum Hearth Extension Dimensions, 20005167, Without