Mantel And Wall Projections - Heatilator I60 Installation Manual

E. Mantel and Wall Projections
A combustible mantel may be positioned no lower than
48-1/8 in. (1222 mm) from the base of the fireplace.
The combustible mantel may have a maximum depth of
12 in. (305mm). Combustible trim pieces that project no
more than 3/4 in. (19 mm) from the face of the fireplace
can be placed no closer than 6 in. (152 mm) from the top
or side of the decorative front. Combustible trim must not
cover:
• the metal surfaces of the fireplace
• where the non-combustible board is placed over the
metal surfaces
• the space between the metal face of the fireplace and
framing members
Combustible Wall
2 x 4 stud wall
Standoffs
Noncombustible
Decorative Facing
such as:
Steel, iron, brick,
tile, concrete, slate,
glass, plasters.
Seal joint with
non-combustible
sealant
Figure 7.12 Mantel Specifications
34
Measured from top of fireplace opening
Heatilator • I60/I80 • 4013-260 Installers Manual • Rev G • 10/07/13
Combustible
Decorative Facing
12 in./305 mm
12 in./305 mm
minimum
6 in./152 mm
minimum
1 1/2 in./
38 mm
maximum
Grid represents
1 in. squares
7 ft (2134 mm)
minimum
base of fireplace
to ceiling