Hearth and Home Technologies HST-48D owner manual Sidewalls/Surrounds, Frame the Fireplace

C. Sidewalls/Surrounds

•Adjacent combustible sidewalls must be located a minimum of 12 in. (305 mm) from the fireplace opening.

•Combustible and noncombustible mantel legs, surrounds and stub walls may be constructed within the gridded area, Figure 6.3.

Gridlines at 1 in. scale

11 3/8 in.

[289 mm]

FLUSH							BRICK			4 in.
									[102 mm]
FRONT							FRONT
				42 in.
		angle									9 3/4 in.
50°			[1067 mm]		39°
								angle		[248 mm]
			fireplace opening
				47 in.
			[1194 mm]
			width of fireplace
	12 in.					12 in.
[305 mm]					[305 mm]

Figure 6.3 Mantel Leg or Wall Projections (Acceptable on both sides of fireplace)

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 fireplace must be above top standoffs.

You must maintain

2 in. (51 mm) min. air space clearance from the chimney to the enclosure.

12 in. (305 mm) max.

Note: Fireplace Header cannot be positioned until after the fireplace assembly is in place.

48 in.

(1219 mm)

27in.

(686 mm)

Figure 6.4 Framing the Fireplace

20 Heat & Glo • HST-48D US-CAN • 4012-040 • Rev F • 11/08