Fireplace framing, Warning – Monessen Hearth Magnum Unvented Vent-Free Fireboxes MCUF42D SERIES User Manual
Page 10
10
26D4720
H
G
D
F
E
A
C
B
A
8
1
/
4
"
1
/
2
"-
5
/
8
"
C
A
G
C
G
A
½"-⅝"
FIREPLACE FRAMING
Firebox framing can be built before or after the appliance is set in place. Construct firebox framing following Figures 9
through 12 and the chart below for your specific installation requirements. See Figure 1 on Page 6 for firebox dimensions.
The framing headers may rest on the top of the firebox standoffs.
The firebox may be installed directly on a combustible floor or raised on a platform of an appropriate height. When the
firebox is installed directly on carpeting, tile, or other combustible material, other than wood flooring, the firebox shall be
installed on a metal or wood panel extending the full width and depth of the enclosure.
MCUF36D MCUF42D
A
41
1
/
4
" 47
1
/
4
"
B
37
3
/
4
" 37
3
/
4
"
C
32"
38"
D
16
3
/
8
" 19
3
/
8
"
E
68
7
/
8
" 74
7
/
8
"
F
34
1
/
2
" 37
1
/
2
"
G
17
3
/
4
" 17
3
/
4
"
H
48
3
/
4
" 53"
Figure 9 - Corner Installation
Figure 11 - Stud Location
Figure 10 - Inside Chase
Installation
Figure 12 - Recessed Installation
Do not fi ll spaces around fi rebox with
insulation or other materials. This
could cause a fi re.
W
ARNING
Combustibles may not come any closer to the top of the
enclosure than the standoffs will allow.