Lennox Hearth Brentwood SP - Manual (Page 9)

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)
F
19-3/32”
J
20-1/2”
E
7’
Min.
2” x 3’
Min.
D
Fireplace Framing
Header
B
A
OUTSIDE CHASE
G H
C
L*
A
Back Wall of Chase/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 including
the back spacer
minus 1/2 inch for
drywall to be flush
with the facing.
35-15/16"
36-1/16"
36-13/16"
12-1/4"
22-19/32"
28-3/32"
1-1/2"
24"
12-1/2"
9-1/4"
10-1/4"
1"
22-1/2"
24"
17-11/16"
3-9/16"
14-5/32"
14-3/8"
9-7/8"
7-11/16"
2-13/16"
17-3/4"
Figure 8 - Fireplace and Framing Dimensions
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 insulation or loose filling material.
Cover the insulation with Drywall panels
around the fireplace.
FRAMING DIMENSIONS
Fireplace Opening Width
A 36-3/8” 924 mm
B 37” 940 mm
C 28-3/32” 714 mm
D 13-1/2” 343 mm
E 77” 1956 mm
F 38-1/2” 978 mm
G *24-1/2” 603 mm
H 23-1/2” 597 mm
J 54-7/16” 1383 mm
K 8” 203 mm
L 1” 25 mm
K
Combustion
Air Kit
7’
Min.
B
G
2” x 3”
Min.
Rough Framing Face
(dimension includes finish
material inside framing, if any)
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)
Plywood 1/2”
9
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.