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Outdoor Lifestyles by Hearth & Home Technologies • Installation Manual TWILIGHT-II-MOD • 2290-970 Rev. H • 5/14
Figure 8.3 Exterior View
2-3/4 IN.
10-7/8 in.
HOOD
NON-COMBUSTIBLE
SHEATHING
6 in.
MAX.
NON-COMBUSTIBLE
FACING
THERE MUST BE NO GAP
BETWEEN BRICK LEDGE,
FACING MATERIAL AND
APPLIANCE FRONT
6 in. MAXMUM PROJECTION
FROM FACE OF FIREPLACE
BRICK LEDGE
NON-COMBUSTIBLE
SHEATHING (SUPPLIED)
COMBUSTIBLE
SHEATHING
HOUSEWRAP
REQUIRED
FLASHING
(SUPPLIED)
HOUSE
WRAP
EXHAUST
FRESH AIR INTAKE
Figure 8.4 Exterior View
NOTE:
All
fi
nishing materials on top of exterior
sheathing must be non-combustible for a minimum
of 10-7/8 inches above and on both sides of
the exterior face of the appliance. This non-
combustible
fi
nishing material can be up to a
maximum of 6 inches thick (6 inches maximum
horizontal overhang) to allow for brick and stone
alcoves. See Figure 8.5.
NOTE:
Combustible housewrap or building
paper
MUST NOT
extend over the outside of
non-combustible sheathing, and
MAY
extend
over the
fl
ashing header behind non-combustible
sheathing. Use high temp caulk to seal between
combustible sheathing housewrap and non-
combustible sheathing.
APPLIANCE
HOOD
TOP HOOD
TOP OF
FIREPLACE
10-7/8 in.
CEILING OR OVERHANG
64-5/16 in.
MINIMUM CLEARANCE
TO VINYL SOFFIT,
CEILING OR OVERHANG.
35-5/16 in.
MINIMUM CLEARANCE TO
NON-VINYL SOFFIT, MANTEL,
CEILING OR OVERHANG.
STUD WALL
SOFFIT
HOUSEWRAP
INSULATION
HOUSEWRAP
(BUILDING
PAPER) OVERLAP
FLASHING 1 in.
SHEATHING,
COMBUSTIBLE
FIREPLACE
HEADER
INSULATED
FRAMING
STANDOFF
NON-COMBUSTIBLE
SHEATHING
FLASHING
HEADER
