Heat & Glo LifeStyle RH-36 Series Owner's Manual page 30

Raised Hearth Extension Construction
A raised hearth extension that is fl ush with the fi replace
opening (Figure 8.6) or less than 4 in. (102 mm) below the
fi replace opening (Figures 8.4 & 8.5) requires the fi replace
to be installed on a non-combustible surface.
IMPORTANT! Hearth extension design must be determined
before installation of fi replace.
Noncombustible
Finishing Material
Noncombustible
Framing Material
HX3 or HX4
Figure 8.6 Raised Hearth Extension Detail
Raised Hearth Extension Framing
The hearth framing must be constructed of non-combustible
materials (Figure 8) and placed on an HX3 or HX4, or equiv-
alent material (Figure 7). When creating the platform, allow
for the thickness of the non-combustible fi nishing materials
(Figure 9).
HX3 or HX4
Figure 8. 7 Non-combustible Surface for Hearth Extension
30
Non-combustible
Material
Metal
Floor
Hearth Strips
Heat & Glo • RH-36/RH-42 • 4044-153 Rev S • 06/07
Noncombustible
Framing Material
Figure 8. 8 Framing Materials
Noncombustible
Finishing Materials
Figure 8. 9 Finishing Materials
HX3, HX4 or
equivalent