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16
ODSHR Series
20002264
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.**
(Majestic Products
Company)
R Value is for ¹⁄₂ inch.
* Units of K = BTU/SQ FT/HR/˚F/IN
** Thickness of Listed Material
FP533ADD
Fig. 25 Hearth extension material factors.
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)
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
8" Max.
Thickness
Seal Cracks Between Fireplace
and Hearth Extension with
Noncombustible Material
Cement
Blocks
Lower
Surround
Fireplace
Hearth
FP1170
Fig. 26 Protection of adjacent combustible side walls and
hearth extension dimensions.
Wall Covering
2 x 4 Header -
Do Not Notch at
Ledge Brackets
Fig. 18
Hearth Extension
Hearth
Extension Insulation
Molding used to
Fasten Hearth
Extension
in Place
Majestic Safety Strips Must
be Overlapped 1/2" Min.
Seal Crack Between
Fireplace and Hearth
Extension with
Noncombustible Material
FP1171
Fig. 27 Sealing detail.
■ 9. Installing Line for Gas Logs
Vermont Castings, Majestic Products fireplaces are
designed to accept a 1/2 inch gas line for installation of
an approved gas appliance. (Vermont Castings,
Majestic Products manufactures a wide variety of gas
logs for use in Vermont Castings, Majestic Products
fireplaces.)
Be sure to have the appliance installed in accordance
with building codes.
Gas connection may enter from either left or right side
of the fireplace.
Locate appropriate gas line in the outer casing of
fireplace and remove insulation from gas line tube. (Fig.
29)
2 x 4 Header - Do
Not Notch at
Ledge Brackets
Fig. 19
Wall Covering
Noncombustible
Decorative Facing
Seal All Cracks
Between Fireplace
Surround and Wall
Materials with
Noncombustible
Material
Noncombustible
Decorative
Covering
Majestic Safety Strips
Must be Overlapped 1/2"
Min.
Seal Crack Between
Fireplace and Hearth
Extension with Noncom-
bustible Material
FP1172
Fig. 28 Sealing detail.
Hearth
Extension