MHSC STR36 DESIGNER Installation And Operating Manual page 18

STR36 Designer Woodburning Fireplaces
example of Determining Hearth extension
equivalents
N
example for Common brick
/
C O MMO N MAT E R I AL S AN D F AC T O R S
MAT E R I AL
E H 2416
0. 458
(MH S C )
C o mmo n B r ic k 5. 0
R V al ue is f o r 1/ 2 inc h .
* U nit s o f K = B T U / S Q
* * T h ic k ne s s o f L is t e d Mat e r ial
Fig. 25
F P 533AD D
Ad d e nd um
6/ 1/ 99 d j t
Wall Covering
8/ 4/ 99 c h ang e d . 2 t o . 1
Noncombustible
o ne inc h t o 1/ 2 inc h
Decorative
Facing
Seal all cracks
between fireplace
surround and wall
materials with
noncombustible
material.
Noncombustible
Decorative
Covering
Hearth Extension
Insulation
Side View
Fig. 26 F
new
5.46 in.
MI N I MU M
K * R
T H I C K N E S S
1. 09 0. 50 in. * *
0. 10 5. 46 in. * *
F T / H R /˚F/IN
F
2x4"
Stud
/ " d j t
/ "
Outer Dome
NOTE: / "
air space
between
2x4" Header -
Outer Dome
Do not notch at
and
standoffs.
combustible
materials
Seal crack
between fireplace
and hearth extension
with noncombustible
material.
Safety Strips -
Must be overlapped
" minimum.
FP719
STR/CVR finish wall treatments
5/28/98
N
Z\₂
F
/
F
Fig. 27
Recessed Installation - STR33/36 Only
N
I
Maximum
10"
(254 mm)
Maximum
14"
(356 mm)
NOTe: I
F
/
NOTe: The size of the insulation and stainless steel
plate must be within limits stated above and covers all
combustible framing material.
Fig. 28
F
N
N
I
Minimum
36" (914 mm)
A
6"
(152 mm)
Minimum
2"
(51 mm)
(51 mm)
A
I
View A
F
/
Minimum
33"
(838 mm)
2"
F
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