Vermont Casting CR36L - Manual (Page 15)

15
CR Series Woodburning Fireplaces
20001316
FE106
Min. Hearth Extension
6/22/99 djt
FE105
Min. wall covering distances
3/3/99 djt
Proposed Perpendicular
Side Walls
Model
CR36L
CR36R
Min. Dist.
with SP40
A
12”
Min. Dist. to
Non-protected Wall
B
16”
Minimum Hearth Extension Dimensions
FE105
Wall
Shield
Proposed Parallel Wall
40” Min.
16”
Minimum Wall Clearances
16” 16”
Trim Molding
to Secure
Hearth Exten-
sion
Hearth
Extension
Fig. 20 Protection of adjacent combustible side walls and
hearth extension dimensions.
22” Min.
64” Min.
FE106
FS107a
Sealing
4/27/99 djt
Wall Covering
Fig. 18
2x4 Header
- Do Not Notch
at Standoffs
Safety Strips
Must Overlap
¹⁄₂
” Min.
Seal Crack
Between
Fireplace
and Hearth
Extension with
Noncombus-
tible Material
FS107a
Fig. 22 Hearth extension.
May Install Non-
combustible deco-
rative covering OR
.018” Min. Sheet
Metal
Combustible
Floor
Minimum
Insulation
Value “R”
Fireplace
Hearth
FS108
Sealing Sides
6/22/99 djt
Safety Strips
must be
Overlapped
¹⁄₂
” Min.
Seal Crack
Between
Fireplace
and Hearth
Extension with
Noncombus-
tible Material
Minimum
Insulation
Value “R”
Wall Covering
Noncombustible
Decorative Facing
Fig. 18 2x4 Header
- DO NOT Notch at
Standoffs
Seal All Cracks Between
Fireplace Surround and
Wall Materials with Non-
combustible Material
May Install
Noncombustible
Decorative Cov-
ering OR .018”
Min. Sheet Metal
FS108
Fig. 23 Finish wall treatments and gap sealing.
Combustible
Floor
Fireplace
Hearth
Fig. 21 Hearth extension material factors.
COMMON MATERIALS AND FACTORS
MATERIAL K* R
MINIMUM
THICKNESS
EH2416
Common Brick
0.458
5.0
1.09 0.50 in.**
0.10 5.46 in.**
(CFM Corporation)
R Value is for ��� inch.
* Units of K = BTU/SQ FT/HR/˚F/IN
** Thickness of Listed Material
FP533ADD
Addendum
6/1/99 djt
8/4/99 changed .2 to .1
one inch to 1/2 inch djt
FP533ADD