Heatiator CL36D, CR36D owner manual Combustible Mantel

E. Combustible Mantel

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

Ε A combustible mantel may be positioned no lower than 12 5/8 in. (321 mm) above the top of the fireplace opening.

Ε A combustible mantel may have a maximum depth of 10 in. (254 mm).

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

Ε Combustible materials projecting more than 1 1/2 in. (38 mm) shall not be placed within 12 in. (305 mm) above 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.

7 ft (2134 mm)

minimum

Combustible wall

Combustible

base of fireplace

decorative facing

to ceiling

Grid represents

1 in. squares.

2 x 4 stud wall

10 in./254 mm

Standoffs

Mantel

12 5/8 in./321 mm

minimum

12 in./305 mm

minimum

1 1/2 in./38 mm

maximum

6 in./152 mm

Non-combustible

minimum

decorative facing

such as steel, iron,

brick, tile, concrete,

Measured from top of fireplace opening

slate, glass, plasters

Seal joint with

non-combustible

sealant

ÎFigure 11.4 Clearances to Mantels or other Combustibles above Fireplace

Heatilator • CL36D, CR36D • 12538 • Rev V • 05/09 39