Heatilator ICON I100 Installation Manual page 35

D. Mantel and Wall Projections
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WARNING! Risk of Fire!
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Combustible Wall
2 x 4 stud wall
Front Standoffs
Non-combustible
Decorative Facing
such as: Steel, iron,
brick, tile, concrete,
slate, tile, plasters
DO NOT cover any
air openings in the
face of the fireplace.
1 1/ 2 in./38 mm
maximum
WARNING:
Seal joint with
non-combustible
sealant to prevent heat
from being drawn into
the wall cavity
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Combustible
Decorative Facing
12 in./305 mm
Mantel
12 in./305 mm
minimum
6 in./152 mm
minimum
Measured from top of fireplace opening
Grid represents 1 in. squares
Heatilator • ICON I100 • 4013-263 Installers Manual • Rev S • 11/22
7 ft (2134 mm)
minimum
base of fireplace
to ceiling
20 in./508 mm
minimum