Hearth and Home Technologies HST-48D - Manual (Page 20)

20
47 in.
[1194 mm]
width of fireplace
42 in.
[1067 mm]
fireplace opening
9 3/4 in.
[248 mm]
12 in.
[305 mm]
12 in.
[305 mm]
11 3/8 in.
[289 mm]
FLUSH
FRONT
4 in.
[102 mm]
BRICK
FRONT
50° angle
39° angle
Gridlines at 1 in. scale
D. Frame the Fireplace
Figure 6.4 shows typical framing using combustible materials (2x4 lumber shown).
• Observe all required air space clearances to combustible materials as shown in Figure 6.2.
• Framing across the top of fi replace must be above top standoffs.
You must maintain
2 in. (51 mm) min. air space
clearance from the
chimney to the
enclosure.
27 in.
(686 mm)
Note: Fireplace
Header cannot be
positioned until after
the fireplace assembly
is in place.
12 in. (305 mm) max.
48 in.
(1219 mm)
Figure 6.4 Framing the Fireplace
C. Sidewalls/Surrounds
• Adjacent combustible sidewalls must be located a minimum of 12 in. (305 mm) from the fi replace opening.
• Combustible and noncombustible mantel legs, surrounds and stub walls may be constructed within the gridded area,
Figure 6.3.
Figure 6.3 Mantel Leg or Wall Projections (Acceptable on both sides of fi replace)
Heat & Glo • HST-48D US-CAN • 4012-040 • Rev F • 11/08