Mantel And Wall Projections - Heatilator A36C Installation Manual

D. Mantel and Wall Projections
A combustible mantel may be positioned no lower than
43-1/2 in. (1105 mm) from the base of the fireplace.
The combustible mantel may have a maximum depth of
12 in. (305 mm). Combustible trim pieces that project no
more than 1-1/2 in. (38 mm) from the face of the fireplace
can be placed no closer than 6 in. (152 mm) from the top
of the fireplace opening. 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
Seal joint with
non-combustible
sealant
1 1/2 in./38 mm
maximum
Non-combustible
Decorative Facing
such as:
Steel, iron, brick,
tile, concrete, slate,
glass, plasters.
Figure 7.12 Mantel Specifications
Heatilator • A36/42C, A36/42CH • Installers Manual • 4017-262 • Rev D • 10/07/13
32
Combustible
Decorative Facing
12 in./305 mm
Mantel
12 in./305 mm
6 in./152 mm
minimum
Measured from top of fireplace opening
6 ft (1829 mm)
minimum
base of fireplace
to ceiling
minimum