Frame The Fireplace - Heat & Glo NORTHSTAR-BK Owner's Manual

1. MINIMUM CLEARANCES TO COMBUSTIBLES
WITHIN ENCLOSURE AREA:
Appliance to backwall
Appliance to sidewall
Duct boots to framing
Top standoffs to header
Door opening to sidewall
EXPOSED SURFACES
Faceplate to sidewall
Heat zone air grills to ceiling
MANTEL
Combustible and non-combustible mantel minimum height
from base of fireplace to underside of mantel
Maximum mantel depth
2. OPTIONAL FRAMING CONSTRUCTION / REDUCED
MANTEL HEIGHT:
Non-combustible mantel material minimum height from
base of fireplace to underside of mantel 46 in. (1168mm)
when the following enclosure construction materials are
used:
Non-combustible framing materials must be used above
fireplace to height of 84 in. (2134mm) from base of fire-
place for all construction materials, framing members,
sheeting, and all finish materials.
3. NON-COMBUSTIBLE MATERIALS
Materials which will not ignite and burn. Such materials
are those consisting entirely of steel, iron, brick, tile, con-
crete, slate, glass or plasters, or any combination thereof.
Materials that are reported as passing ASTM E 136, Stan-
dard Test Method for Behavior of Materials, in a Vertical
Tube Furnace at 750°C, shall be considered non-combus-
tible materials.
4. COMBUSTIBLE MATERIALS
Materials made of (or surfaced with) wood, compressed
paper, plant fibers, plastics, or other materials that can ig-
nite and burn, whether flame proofed or not, or whether
plastered or un-plastered shall be considered combustible
materials.
Warning Fire Risk!
Hearth & Home Technologies is not responsible for dis-
coloration, cracking or other material failures of finished
materials due to heat exposure or smoke.
Choose finishing materials carefully.
4/20/11
1 in. (25 mm)
1 in. (25 mm)
0 in. (0 mm)
0 in. (0 mm)
22-7/8 in. (581 mm)
16 in. (406 mm)
12 in. (305 mm)
60 in. (1524 mm)
12 in. (305 mm)
Heat & Glo • NorthStar EPA Fireplace • 480-1081E
Warning Fire Risk!
Non-combustbile mantels installed at a reduced height may
gET EXTREMELY HOT during use of the fireplace.
DO NOT TOUCH or place heat sensitive combustible items
on the mantel.
5. CHIMNEY SECTIONS
Chimney sections at any level require a 2 in. (51 mm) minimum
air space clearance between the framing and chimney section.
C. Frame the Fireplace
NOTICE: Wiring for fans must be done before framed
enclosure is completed. If using a Heat Zone kit, it also
must be installed before enclosure is complete.
The NorthStar Fireplace will fit a framed opening height of
43-7/8 in. (1114 mm) tall and width of 42 in. (1067 mm). The
finished cavity depth must be no less than 24 in. (610 mm).
Framing must extend straight up all the way to the ceiling.
Figure 6.3 shows a typical framing (using 2 x 4 lumber) of
the fireplace, assuming combustible materials are used. All
required clearances to combustibles around the fireplace
must be adhered to. See Figure 6.2 on page 36. Any fram-
ing across the top of the fireplace must be above the level of
the top standoffs. (No recess above standoffs.)
2 in.
(51mm)
43-7/8 in.
(1114mm)
24 in.
(610mm)
Figure 6.3 Framing the Fireplace
12 in.
(305mm)
Position combus-
tible / non-combus-
tible mantel 60 in.
(1524mm) from
base of the fireplace
42 in.
(1067mm)
Page 37