Security Chimneys BISTRAD Installation And Operation Instructions Manual page 10

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B
A
Fireplace Framing
Combustion Air Kit
K
FRAMING DIMENSIONS
Fireplace Opening Width
46-1/4"
1175 mm
u
A
B
49-3/8"
1254 mm
C
42-3/4"
1086 mm
D
20-7/8"
E
93-7/8"
2384 mm
F
47"
1194 mm
G
27-3/4"
H
26-3/4"
J
66-3/8"
1686 mm
K
8"
L
1"
u
T he front framing width (A=
46-1/4") will need to be 47"
before pushing the fireplace
into framing.
28-1/2"
4-1/4"
5-5/8"
20-1/8"
Figure 10
10
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)
Header
7'
Min.
* Total depth is 25 inches including the back
spacer minus 1/2 inch for drywall to be flush
with the facing.
Diagrams, illustrations and photographs are not to scale – consult installation
instructions. Product designs, materials, dimensions, specifications, colors and
prices are subject to change or discontinuance 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
530 mm
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.
705 mm
680 mm
203 mm
25 mm
26-1/4"
49-3/8"
15"
7"
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
2" x 3"
Min.
Plywood 1/2"
G
B
Rough Framing Face
(dimension includes finish
material inside framing, if any)
Notes
41-3/4"
10-1/4"
7/8"
11-1/8"
16-1/4"
26-1/8"
1-5/32"
1"
47"
43-1/4"
37"
31"
46-1/4"
CORNER
INSTALLATION
D
F
23-3/4"
E
Back Wall of Chase/Enclosure
Including Finising Materials if any
C
L
v
L*
H
A
Rough Framing Face (Unfinished Shown)
v
* Zero Clearance From Back Spacer to Wall
FACING
IMPORTANT
The facade must be removable once
installed. The facade is designed to
overlap any facing material installed
on the front of the fireplace. If thicker
material is installed, use the facade
as a template and make sure it can
be easily removed for servicing.
1. Combustible material must be installed flush with
the fireplace. It may not project in front of and on
the fireplace (i.e. the steel facade of the fireplace)
(Figure 14).
2. Non-combustible materials such as brick, stone
or ceramic tile may project in front of and onto
the fireplace facing (Figure 12).
28-1/2"
3"
5-5/8"
10-3/8"
29-1/2"
J
OUTSIDE CHASE
G

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