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Heat & Glo LifeStyle Collection • Twilight-II • 2087-900 Rev. G • 12/05 11
• See Figure 5.3 for placement of combustible housewrap
or building paper and non-combustible sheathing for the
outside wall.
• Once the appliance is in place use enough silicone caulk
to make a water tight seal between outdoor surround
and exterior sheathing.
Figure 5.4
NOTE: The installation is permitted in screened porch-
es following the guidelines in Figure 4.1.
APPLY RTV
SEALANT TO
CORNER EDGES
FIREPLACE
FLANGE
BEND IN
FLANGE
Figure 5.3
NOTE: All finishing materials on top of exterior
sheathing must be non-combustible for a minimum of
12 inches above and on both sides of the exterior
face of the appliance. This non-combustible finishing
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 past the non-combustible material (12
inches above and on both sides of the exterior face of
the appliance). Use hightemp caulk to seal between
combustible sheathing housewrap and non-
combustible sheathing.
*
**
*
**
HOUSEWRAP
(BUILDING PAPER)
WALL STUD
1/4 INCH CLEARANCE
TO HOUSEWRAP
12 INCH
NON-COMBUSTIBLE
SHEATHING
FIREPLACE
HEADER
INSULATED FRAMING
STANDOFF
NON-COMBUSTIBLE
FINISHING MATERIAL
SHEATHING
TOP OF
FIREPLACE
FIREPLACE
HOOD
OUTSIDE