FRAMING DIMENSIONS
Fireplace Opening Width
A 36-1/4” 921 mm
B 42” 1067 mm
C 30-1/16” 764 mm
D 13-1/2” 343 mm
E 77” 1956 mm
F 37-1/2” 953 mm
G *24-1/2” 603 mm
J 53-3/4” 1365 mm
K 8” 203 mm
L 1” 25 mm
Fireplace Framing
Header
B
A
OUTSIDE CHASE
G
C
A
Back Wall of
C
hase/Enclosure
Including Finising Materials if any
Rough Framing Face (Unfinished Shown)
* Zero Clearance
From Back
Spacer to Wall
Corner Installation
* Total depth is 25 inches (635mm) including the
back spacer minus 1/2 inch (13mm) for drywall
to be flush with the facing.
7’
Min. B
G
2” x 3”
Min.Rough Framing Face
(dimension includes finish
material inside framing, if any)
19-19/32”
F
20-1/2”
J
E
D
9-3/4”
28-1/32” 1”
13-15/16”
10-3/8”
24”
22-19/32”
36-1/16”
36”
42”
22-1/2”
12-1/4”
3-1/4”
6-3/4
8-1/4”
17-3/4”
24”
15-1/2”
12-3/4
3-3/4
17-3/4”
Figure 8 - Framing Dimensions
Combustible materials can NOT
be used in the space directly
above the fireplace. Do not fill
the space above the fireplace
with any material (Except the
wood framing)
Notes
Due to Lennox Hearth Products ongoing commitment to
quality, all specifications, ratings and dimensions are
subject to change without notice.
All framing dimensions calculated for 1/2" dry wall at
the fireplace face. If sheathing the chase or finishing
with other thickness materials, calculations will need
to be made.
* The fireplace must not be in contact with any insula-
tion or loose filling material. Cover the insulation with
Drywall panels around the fireplace.
K
Combustion Air KitNOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Plywood 1/2”
8