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Quadra-Fire • EXCURSION-I, EXCURSION-II, EXCURSION-III Installation Manual • 2538-980 Rev. E • 5/19
C. Wall Extension
Figure 3.10 Non-Combustible Facing Requirement
Figure 3.11 Non-Combustible Framing / Facing Requirement
WARNING! Risk of Fire! Comply with all minimum clear-
ances to combustibles as specied. Framing or nishing
material closer than the minimums listed must be construct-
ed entirely of noncombustible materials (i.e., steel studs,
concrete board, etc).
Combustible facings must not extend behind the insert
surround. See Section 1.E and 1.F.
Non-Combustible Materials Specication
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 ºC.
• Facing and/or nishing materials must not interfere with
air ow through decorative fronts.
• Facing and/or nishing materials must never overhang
into the glass opening.
• Observe all clearances when applying combustible
materials.
• Maximum depth of wall extension is 12 inches. This
may be limited by the ex pipe’s ability to connect to the
starting collar.
• Covering combustible materials with non-combustible
materials does not qualify material as non-combustible.
WARNING! Risk of Fire! DO NOT apply combustible
materials beyond the minimum clearances. Comply with
all minimum clearances to combustibles as specied in
this manual. Overlapping materials could ignite and will
interfere with proper operation of decorative fronts.