Section 2: Framing The Fireplace - Montigo H38DF Installation & Maintenance Manual

H*38DF Gas Fireplace
Section 2: Framing
Frame in the enclosure for the unit with framing materials. The
1).
framed opening for the assembled fireplace is 37 3/4" wide, x 42 1/2"
high x 21⅛" deep, see Figure 2
nOTE: when constructing the framed opening, please ensure
there is access to install the gas line when the unit is installed.
See Figure 22.
M"
N"
M n
H*38DF 42 1/2 37 3/4 21 1/8
Figure 2. Framing dimensions, (Straight wall & Corner Installation). (ALL Models,
shown in Table on Page 3).
2" min.
18" max.
28 3/4"
Exterior
Wall
Figure 3. Combustible Framing for shelves over the fireplace, Rear vent.
17 1/2"
PEL Shor t
90° elbow
46"
2" min.
Exterior
Wall
Figure 4. Combustible Framing for shelves over the fireplace, Top vent.
Page 6
Installation
.
0" clearance
to corners only
Q"
N"
P"
O"
* When sheetrock is not used behind
the fireplace, framing depth "O" may be
reduced by 5/8".
O P Q R S
62 43 7/8 N/A 36
Combustible
Shelf
Combustible
Header
9"
Non-Combustible
Nailing Flange,
(supplie d) figure 7.
M
S
Combustible
Shelf
Combustible
Header
Non-Combustible
Nailing Flange,
(supplie d) figure 7.
M
2"
min.
18"
max.
Min.
84"
Rear
Vent
Exterior
Wall
28 3/4"
Figure 5. Non Combustible Framing for Top Vent or Rear Vent, with Alcove
ABOVE FIREPLACE.
T
46
Top Vent
Ceiling level
Non-Combustible
materials. Alcove
over fireplace.
Min 1"
Non-Combustible
Header
7"
Non-Combustible
Nailing Flange,
3"
12"
(supplie d) figure 7.
door
opening
Floor
XG0147 - 042811