Filter
Top Products
Heatilator • I80 CAN-US • 4013-203 Rev F • 04/08
32
B. Finishing Material
• Combustible Material
Material which is made of or surfaced with wood,
compressed paper, plant fi bers, plastics, or any material
capable of igniting and burning, whether fl ame proofed or
not, plastered or not plastered.
• Non-Combustible Material
Material which will not ignite and burn. Such materials are
those consisting entirely of steel, iron, brick, tile, concrete,
slate, glass or plasters, or any combination thereof.
Materials that are reported as passing ASTM E 136,
Standard Test Method for Behavior of Materials in a
Vertical Tube Furnace at 750° C, shall be considered
non-combustible materials.
• Non-Combustible Sealant Material
Sealants which will not ignite and burn: Rutland, Inc.
Fireplace Mortar #63 (or equivalent), Rutland 76R, Nufl ex
302, GE RTV116, GE RTV106 (or equivalent).
After completing the framing and applying the facing material
(drywall) over the framing, a bead of non-combustible seal-
ant must be used to close off any gaps at the top and sides
between the fi replace and facing to prevent cold air leaks.
Large gaps can be bridged with fi berglass rope gasket.
Only non-combustible materials may be used to cover the
metal fi replace front.
Fire Risk
• Maintain clearances.
• Use only non-combustible material below
standoffs, material such as cement board is
acceptable.
WARNING
• Framing or fi nishing material used on the front of, or
in front of, the appliance closer than the minimums
listed, must be constructed entirely of noncombustible
materials (i.e., steel studs, concrete board, etc.).
Secure fireplace to
framing and make plumb
Maintain clearance (air
spaces) to insulation and
framing as specified
Install outside air
(as required)
Provide firm support
for entire system
Install protective
metal sealing strip(s)
Extend hearth extension materials
to specified distance - use materi-
als that meet or exceed minimum
required insulating values
Do not cover air
grilles or openings
Check for proper
chimney alignment
Keep framing and
combustibles at
assigned clearances
(do not notch framing)
Seal with noncom-
bustible material at
top edge of fireplace.
Maintain clearances
to combustibles
around fireplace
Use only noncom-
bustible materials
over facing around
opening (unless
otherwise specified)
Figure 8.6 Guidelines for Framing and Enclosing