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Valor Fireplaces • 190—2255 Dollarton Highway • North Vancouver, BC • V7H 3B1

Tel: 604.984.3496 or 1.800.468.2567 • Fax: 604.984.0246 or 1.800.268.0333

www.valor

fi

 replaces.com

January 2020

1/3

Cement Board

L1 1600K

Material Speci

fi

 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.

Non-Combustible Cement Board

The L1 See Thru 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 di

 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. 

NON-COMBUSTIBLE MATERIALS ONLY

READ INSTRUCTIONS

MATÉRIAUX INCOMBUSTIBLES SEULEMENT

CONSULTEZ LE GUIDE D’INSTALLATION

inches [mm]

With 1550 or 

1575 trims

with 1530CIK kit

A

Min. 20-1/2 [521] Min. 20-1/8 [511]

B

14-3/4 [375]

15-13/16 [401]

C

Min. 9-1/4 [235]

Min. 8-9/16 [218]

D

Min. 6-1/2 [165]

Min. 6 [153]

E

Min. 40 [1016]

Min. 41 [1041]

D

Min. 53” (1346 mm)

E

Min. 44-1/2” (1130 mm)

D

D

Flush with bottom of unit; 

add extra cement board 

if overlapping framing.

Minimum coverage area of non-combustible cement board. 

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Non-combustible

cement board 

required 

thickness: 

1/2 inch (13 mm)

A

B

C

Joints preferred at corners

to prevent cracking

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