Hearth and Home Technologies A36C Indoor Fireplace User Manual


 
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D. Finishing Material
Refer to Section 11 for combustible/noncombustible mate-
rials. Refer to Figure 11.9 for noncombustible zone.
WARNING! Risk of Fire!
You must maintain clearances.
Use only non-combustible framing material below
standoffs.
Sheetrock, wood or other combustibles must NOT be
used as sheathing or facing in the noncombustible
zone.
DO NOT cover metal replace front with combustible
materials.
Install combustible materials only to speci ed clearances
on top front and side edges.
Complete framing and apply facing material (drywall)
over framing.
A bead of 300-deg F minimum non-combustible sealant
must be used to close off any gaps at the top and sides
between the replace and facing to prevent cold air
leaks.
Large gaps can be bridged with fiberglass rope
gasket.
Only non-combustible materials may be used to cover
the metal replace front.
WARNING! Risk of Fire!
DO NOT obstruct air inlets or outlets.
DO NOT modify grilles. Modifying or covering grilles
could cause temperature rise and re hazard.
Finishing materials must not interfere with: air ow
through grilles or louvers; operation of louvers or doors;
access for service.
These surfaces
may be covered
with noncombustible
material.
High temperature
sealant.
Figure 11.9 Noncombustible Facing
Metal strips are placed 2 in. (51 mm)
under the front of the fireplace and must
extend beyond the front and sides of
fireplace opening by 2 in. (51 mm)
Continuous,
non-combustible sealant
Floor constructed of wood or
other combustible material
HX3 or HX4
Hearth Ext
or equivilent
insulation
Hearth
Refractory
Finished combustible wall
Combustible material
Non-combustible
decorative facing
(up to full brick depth)
2 x 4 header, flush with
front of stand-offs
Tile, stone or other
non-combustible material
Flat 2 x 4 stud wall
Figure 11.10 Decorative Facing
Heatilator • A36C & A42C • 28396 • Rev AG • 11/08