Sidewalls/Surrounds - Heatilator ST36D Owner's Manual

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.
Figure 11.5 Mantel Leg or Wall Projections (acceptable on both sides of opening)
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