Heat & Glo RH-36 Series Owner's Manual page 42

E. Combustible Mantel
Combustible Wall
Figure 11.9 Clearances to Mantels or other Combustibles above Fireplace
Section 7-3.3.3 of ANSI/NFPA211
2 x 4 stud wall
Standoffs
Seal joint with
non-combustible
sealant
1 1/2 in./38 mm
maximum
Non-combustible
Decorative Facing
such as:
Steel, iron, brick,
tile, concrete, slate,
glass, plasters.
Combustible
Decorative Facing
12 in./305 mm
12 in./305 mm
minimum
6 in./152 mm
minimum
Measured from top of fireplace opening
7 ft (2134 mm)
minimum
base of fireplace
to ceiling