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QUALIFIED
INSTALLER
Plan Wall Finish
Non-combustible cement board
The H6 fi replace requires a 1/2" (13 mm) thick
non-combustible cement board or equivalent,
to be used as a wall surface immediately above
the unit—see diagram for minimum coverage.
Extending the cement board well beyond the
minimum shown will help avoid cracking due
to differential 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
although it is preferable not to change
materials to help avoid cracking.
Non-combustible fi nishing over
cement board
Additional non-combustible material such as
tile, etc., may be applied over top of the cement
board or you may choose to leave it fi nished
clean with no tile, etc.—see page 41.
Be aware that a surround is always required and
that the wall fi nish thickness must be taken into
account for all installations other than the Fixed
Framing Kit 1430.
All the other surrounds, 1435 and 1440, will
accept wall fi nish tucked under their edge up to
approximately 2" thick.
1430FFK Fixed Framing Kit
• Installs at framing stage
• Wall fi nish butts up to the frame
• Does not accept other optional surrounds
40
Installation Planning
Gypsum board
up to perimeter of
non-combustible board
Min.
15"
(381 mm)
Minimum cement board dimensions
1435TSB 3-sided Surround and 1440FSB 4-sided Surround
• Install after wall fi nish applied
• Surround overlaps wall fi nish
Min. 45-1/2"
(1156 mm)
1/2" (13mm) thick
non-combustible
cement board
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