Framing The Fireplace - Montigo H42DF ST Installation & Maintenance Manual

H*42DF ST Indoor Gas Fireplace
Section 2: Framing
Frame in the enclosure for the unit with framing materials. The framed
1).
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 19.
45" (rough opening)
49½"
46½"
Combustible material
Backframe, 2-pieces. Both
Sides Typical. See figure 3.
Figure 2. Framing dimensions, (Both Sides Typical).

Tack four studs (Vertical, "broken line") in place, shown in Fig 3.


Figure 3.
Page 6
Installation
½" high x 24"
Both walls Typical. May
not be exactly as shown.
Non-Combustible
headers (Supplied).
24"
Figure 2.
45"
Combustible material Backframe,
2-pieces. Both Sides Typical
Combustible Header
Non-Combustible Header
Combustible Shelf
PEL Short
90 elbow
50"
Figure 4.
Top Vent
Min. 1 "
Combustible
Header
49½"
Figure 5.
. (Top Vent).
Flex or Rigid
Insulated Sleeve
CRS101
19"
46½ "
49½"
to 1st combustible
Stud
Ceiling level
Non-Combustible
materials. Alcove
over fireplace.
Non-Combustible
Header
Non-Combustible Nail-
10"
ing Flange, (supplied).
Both sides Typical.
See figure
6.
6"
40½"
Floor
XG0237 - 120611.1