Hearth-and-home-technologies A42C Manuel d'utilisateur télécharger pdf (Page 39)

E. Combustible Mantel

• See Figure 11.11.

• A combustible mantel may be positioned no

lower than 12 in. (305 mm) above the top of the

ﬁ replace opening.

• A combustible mantel may have a maximum

depth of 12 in. (305 mm).

• Combustible trim and materials cannot be placed

within 6 in. (152 mm) of the ﬁ replace 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 ﬁ replace

opening.

• Combustible trim must not cover the metal

surfaces of the ﬁ replace.

• Mantel clearance is in accordance with Section

7-3.3.3 of ANSI/NFPA211.

6 ft (1829 mm

MINIMUM

base of fireplace

to ceiling

Combustible Wall

2 x 4 stud wall

Standoffs

Measured from top of fireplace opening

12 in./305 mm MAXIMUM

12 in.305 mm MINIMUM

Combustible Decorative Facing

Noncombustible

Decorative Facing

Seal joint with

noncombustible

sealant

Figure 11.11 Clearances to Mantels or other Combustibles above Fireplace

F. Sidewalls/Surrounds

• Adjacent combustible sidewalls must be located

a minimum of 12 in. (305 mm) from the ﬁ replace

opening.

• Combustible or noncombustible mantel legs,

surrounds and stub walls may be constructed

per Figure 11.12.

12 in.

[305 mm]

9 3/4 in.

[248 mm]

12 in.

[305 mm]

10 3/4 in.

[273 mm]

FLUSH

FRONT

4 in.

[102 mm]

BRICK

FRONT

50° angle

39° angle

Grid represents 1 in. scale

Figure 11.12 Mantel Leg or Wall Projections (acceptable on both sides of opening)

Model #

Fireplace Opening

Outside Dimensions

A36

in. 36 42

mm 914 1067

A42

in. 42 48

mm 1067 1219

Heatilator • A36C & A42C • 28396 • Rev AG • 11/08

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 ... 47 48

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Hearth-and-home-technologies A42C Manuel d'utilisateur Page 39

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