Sidewalls/Surrounds; Frame The Fireplace - Outdoor Lifestyles ODCASTLEWD-42-B Owner's Manual

C. Sidewalls/Surrounds
• Locate adjacent combustible sidewalls a minimum of 24 in. (610 mm) from fireplace opening.
• Mantle leg, surround, stub wall, whether combustible or non-combustible, may be constructed as shown in Figure 3.4.
22 3/8 in.
[568 mm]
Figure 3.4 Mantel Leg, Surround or Wall Projection (acceptable on both sides of opening)
D. Frame the Fireplace
When typical combustible framing (2x4 lumber shown) is used, cooling air hoods are required. If the total structure is non-
combustible, cooling air hoods are not necessary. See Figure 3.4.
• Observe all required air space clearances to combustible materials as shown in Figure 3.5.
Figure 3.5 Framing the Fireplace
10 Outdoor Lifestyles by Hearth & Home Technologies Inc. • ODCASTLEWD-42-B • 4070-160 Rev A • 10/22
Note: Grid depicts 1 inch squares.
FLUSH
FRONT
18 1/2 in.
[470 mm]
24 in.
[610 mm]
17 in.
(432 mm)
framing
28-3/8 in.
(721 mm)
74- 1/2 in.
(1892 mm)
FRONT
42 in.
[1067 mm]
52-7/8 in.
(1343 mm)
[610 mm]
NOTE: A structural header may be
positioned higher up during the early
framing to help with the installation of
the unit then finish framing down to the
correct height after the unit is set.
Area to be covered with
nonccombustible
material.
A
53-7/8 in.
(1368 mm)
4 in.
BRICK
[102 mm]
19 3/4 in.
[500 mm]
24 in.