Heat & Glo LifeStyle PIER-40 owner manual Combustible Mantel, Sidewalls/Surrounds

E. Combustible Mantel

•Refer to shaded areas of Figure 11.4 for locations and dimensions of a combustible mantel.

•A combustible mantel may be positioned no lower than 14 1/4 in. (362 mm) above the top of the fireplace opening.

•A combustible mantel may have a maximum depth of 12 in. (305 mm).

•Combustible trim and materials cannot be placed within 6 in. (152mm) of the fireplace opening (top or sides).

•Combustible materials projecting more than 1 1/2 in. (38 mm) shall not be placed within 12 in. (305 mm) from the top of the fireplace opening.

•Combustible trim must not cover the metal surfaces of the fireplace.

•Mantel clearance is in accordance with Section 7-3.3.3of ANSI/ NFPA211.

F. Sidewalls/Surrounds

		7 ft (2134 mm)
		minimum
		base of fireplace
	Combustible	to ceiling
Combustible Wall	Decorative Facing
2 x 4 stud wall
	Grid represents 1 in. squares
Standoffs
	12 in./305 mm
	Mantel
Non-combustible	14 1/4 in./362 mm
		minimum
Decorative Facing
	12 in./305 mm
such as: Steel, iron,
brick, tile, concrete,	minimum
slate, tile, plasters

1 1/2 in./38 mm
	6 in./152 mm
maximum
	minimum

Seal joint with

non-combustibleMeasured from top of fireplace opening sealant

Figure 11.4 Clearances to Mantels or other Combustibles above Fireplace

•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.

4 in.

[102 mm]

11.92in. [303 mm]

FLUSH

FRONT

						36 in.
			angle		[914 mm]
	50°			(fireplace opening)
						40 in.
				[1016 mm]
		12 in.
[305 mm]

		36 in.
	[914 mm]
				39°
(fireplace opening					angle
		40 in.
[1016 mm]
				12 in.
			[305 mm]

9 3/4 in.

[248 mm]

BRICK

FRONT

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

Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12 41