Sidewalls/Surrounds - Heatilator A36R 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)
40 Heatilator • A36R & A42R • 28376 • Rev AJ • 08/09