Montigo H38PFNI-2 Installation And Maintenance Manual page 10

Corner Framing dimensions
NOTE: When constructing the framed opening, please ensure there is
access to install the gas line when the unit is installed
Corner CL/CR: Frame in the enclosure for the unit with framing
materials. The framed opening for the assembled fireplace is 48" wide,
x 44" high x 25 1/4" deep.
Corner Left
48"
44"
NON COMBUSTIBLE STUD
INCLUDED WITH UNIT
43¾"
25¼"
*
*: Approximate dimentions to center. For best results mount non-
combustible stud onto unit, then bolt to 2x4 header and floor.
Shelf over the fireplace, Top vent
1" MIN.
EXTERIOR COMBUSTIBLE SHELF
WALL
17½"
COMBUSTIBLE HEADER
46" 44"
Figure 3.b Combustible Framing for shelves over the fireplace, Top vent.
10
Corner Right
48"
44"
43¾"
*
NON-COMBUSTIBLE
FACING
Shelf over the fireplace, Rear vent
59"
MIN.
Figure 3.b Combustible Framing for shelves over the fireplace, Rear vent.
25¼"
Alcove above the fireplace
84" MIN.
Figure 3.b Non Combustible Framing with alcove above fireplace, Top Vent.
Installation
1" MIN.
13" MIN.
18"
MAX.
EXTERIOR
WALL
CEILING LEVEL
1" MIN.
NON-COMBUSTIBLE
MATERIALS ALCOVE
OVER FIREPLACE
NON-COMBUSTIBLE HEADER
2"
NON-COMBUSTIBLE
MATERIALS, WITH LOW
PROFILE MANTEL / ALCOVE
OVER FIREPLACE
39⅝"
COMBUSTIBLE SHELF
COMBUSTIBLE
HEADER
NON-COMBUSTIBLE
FACING
44"
XG0229 - 112718