Heatmaster HM2-MIL - Mantel and Height Clearance Requirements; Mantel Clearance Guidelines (With;Without Hood); Unsafe Mantel Installation Example

Figure 5. Minimum Mantel Clearance with No
Hood.
Example: The bottom of the mantel may project
from the wall a maximum of 10” at a
minimum of 28” above the opening.
Figure 6.
Is an example of an unsafe mantel installation. This
mantel projects 4” at 8” above the opening, exceeding
the maximum acceptable distance of 2-1/2”. The
mantel also projects 7” at 14-1/2” above the opening,
exceeding the maximum acceptable distance of
6”.
If your mantel profile is unsafe, you may either:
Raise the mantel to an acceptable height or,
Remove the mantel.
Figure 4.
Minimum Mantel Clearance with Hood.
Example: A mantel may project from the wall
a maximum of 2-1/2” at a minimum of 8”
above the opening and a maximum of 6” at
a minimum of 14-1/2” above the opening.
Figure 3.
Minimum Mantel Clearance with No Hood.
Example: The bottom of a mantel may project from
the wall a minimum of 14” above the opening. The
top side of the mantel may project a maximum of
6” at a minimum of 20-1/2” above the opening.
28"
24 5/8
20 1/2
14
10
8
6
2 1/2
28"
12
26"
12
22 1/2"
18 5/8
14 1/2
8"
10
8
6
2 1/2
4"
14 1/2"
8"
7"
6"
2 1/2"
Heat resistant
material
Hood
Heat resistant
material
Heat resistant
material
10” and Less
Mantel
Minimum of 8” heat resistant
material
Hood
Page 6
CLEARANCE/ HEIGHT REQUIREMENTS