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Installation Planning
Material Specifi cations
Non-Combustible
Material which will not ignite and burn. Such materials
are those consisting entirely of steel, iron, brick, tile,
concrete, slate, glass or plasters, or any combination
thereof.
Materials that are reported as passing ASTM E 136,
Standard Test Method for Behavior of Materials in a
Vertical Tube Furnace at 750°C shall be considered
non-combustible materials.
Combustible
Materials made of or surfaced with wood, compressed
paper, plant fi bers, plastics, or other material that
can ignite and burn, whether fl ame proofed or not,
or plastered or unplastered shall be considered
combustible materials.
Minimal coverage area of non-combustible cement board.
Any wall
A
B
C
inches [mm]
A
B
C
D
E
16
Min. 60" [1524 mm]
D
NON-COMBUSTIBLE MATERIALS ONLY
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MATÉRIAUX INCOMBUSTIBLES SEULEMENT
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MATÉRIAUX INCOMBUSTIBLES SEULEMENT
With 1750 or
with 1730CIK kit
1775 trims
Min. 20-1/2 [521]
Min. 20-1/8 [511]
14-3/4 [375]
15-13/16 [401]
Min. 9-1/4 [235]
Min. 8-9/16 [218]
Min. 5 [127]
Min. 4-1/2 [114]
Min. 50 [1270]
Min. 51-1/16 [1296]
Non-Combustible Cement Board
The L2 Linear fi replace requires a 1/2" (13 mm) thick
non-combustible cement board to be used as a wall
surface immediately surrounding the unit's opening—
see diagram for minimum coverage.
Extending the cement board well beyond the minimum
shown will help avoid cracking due to diff erential
expansion of materials.
Pre-drill cement board with oversized holes and do
not over-tighten screws to avoid cracking due to heat
expansion.
Standard gypsum wall board may be used beyond the
perimeter of the cement board.
E
NON-COMBUSTIBLE MATERIALS ONLY
READ INSTRUCTIONS
CONSULTEZ LE GUIDE D'INSTALLATION
Wall Finish
NON-COMBUSTIBLE MATERIALS ONLY
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MATÉRIAUX INCOMBUSTIBLES SEULEMENT
CONSULTEZ LE GUIDE D'INSTALLATION
D
Non-combustible
cement board
required thickness:
1/2" [13 mm]
Linear 1700 outline
Joints preferred at corners
to prevent cracking
Flush with bottom of unit;
add extra cement board
to overlap framing.
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