Framing specifications – Lennox Hearth HCI-42 User Manual
Page 7
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
7
FRAMING SPECIFICATIONS
Figure 11
Figure 12
Figure 13
Figure 15
Figure 16
Figure 14
A
B
Ceiling Framing
C
D
Roof Framing
Header
Fireplace Framing
B
A
A
Outside Chase
G
H
Back Wall of Chase/Enclosure
Including Finising Materials
if any
Rough
Framing Face
(Unfinished Shown)
FOAK
Combustion
Air Kit - Optional
Corner Installation
J
D
A
E
F
Back Wall of
Chase/Enclosure
Including Finising
Materials
if any
Rough
Framing Face
(Unfinished Shown)
FOAK Combustion
Air Kit - Optional
C
A
G
Inside Chase
Back Wall of Chase/Enclosure
Including Finising Materials if any
Rough
Framing Face
(Unfinished Shown)
FOAK Combustion
Air Kit
Framing Dimensions
A
49"
1245 mm
B
46-1/2"
1181 mm
C
33"
838 mm
D
17-1/2"
445 mm
E
81"
2057 mm
F
40-3/8"
1026 mm
G
24"
607 mm
H
23"
584 mm
J
57-1/4"
1454 mm
Framing Dimensions for Roof
Pitch
C
D*
0/12
16-1/2"
16-1/2"
(419 mm)
(419 mm)
6/12
16-1/2"
19"
(419 mm)
(483 mm)
12/12
16-1/2"
23-1/2"
(419 mm)
(597 mm)
Framing Dimensions for Ceiling
Flue Type
A
B
FTF8 Vertical
16-1/2"
16-1/2"
(419 mm)
(419 mm)
FTF8 Offset 30
°
16-1/2"
27"
(419 mm)
(686 mm)
* Perpendicular to roof ridge
Note: All framing dimensions calcu-
lated for 5/8" nailing flange depth and
1/2" dry wall at the fireplace face. If
sheathing the chase or finishing with
other thickness materials, calculations
will need to be made.
Note: A, C and G dimensions include
1" clearance to combustibles.