41
F. Sidewalls/Surrounds
• Adjacent combustible sidewalls must be located
a minimum of 12 in. (305 mm) from the fireplace
opening.
• Combustible or non-combustible mantel legs, surrounds
and stub walls may be constructed per Figure 11.5.
40 in.
[1016 mm]
36 in.
[914 mm]
12 in.
[305 mm]
9 3/4 in. [248 mm]
12 in.
[305 mm]
12 in.
[305 mm]
Grid represents 1 in. (25 mm) squares
FLUSH FRONT
4 in.
[102 mm]
BRICK FRONT
50° angle
39° angle
Figure 11.5 Mantel Leg or Wall Projections (acceptable on both sides of opening)
Heat & Glo • HST-42D • 27177 • Rev AF • 1/11