26
Planning
Wall Finish
Plan the Wall Finish
Non-Combustible Materials Specifications
Non-combustible materials are those 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 Specifications
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 Board
The H6
fi
replace requires a 1/2” (13 mm) thick non-
combustible board or equivalent, to be used as a wall
surface immediately above the unit—see diagram for
minimum coverage.
Extending the non-combustible board well beyond
the minimum shown will help avoid cracking due to
di
ff
erential expansion of materials.
Pre-drill non-combustible 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 non-combustible board although
it is preferable not to change materials to help avoid
cracking.
Finishing Around Trims
Additional non-combustible material such as tile, etc.,
may be applied over top of the wall surface or you
may choose to leave it
fi
nished clean with no tile.
Be aware that a trim is always required and that the
wall
fi
nish thickness must be taken into account for all
installations other than the 1430FFK—Fixed Framing
Kit and the 1430CIK—Clean Install Kit.
All the other trims, 1435 and 1440v2 will accept wall
fi
nish tucked behind their edge up to approximately
2” thick.
Minimum non-combustible board dimensions
Min. 45-1/2” [1156 mm]
Min. 15”
[381 mm]
Non-combustible
board required
thickness:
1/2 inch [13 mm]
1430FFK Fixed Framing Kit
1430CIK Clean Install Kit
• Installs at framing stage
• Wall
fi
nish butts up to
the frame
• Does not accept other
optional surrounds
1435TSB 3-Sided Surround
and
1440FS_2 4-Sided Surround
• Installs
after
wall
fi
nish
is applied
• Surround overlaps
wall
fi
nish