12 in.
Min.
12 in.
Min.
Figure 8.3
Raised Hearth Extension
12 in.
Min.
12 in.
Figure 8.4
Flush Hearth Extension
Heat & Glo • EXCLAIM-50 • 4013-041 Rev Q • 06/07
20 in.
Min.
30 in. min.
Min.
Note: Maximum height from floor
under fireplace to top of finished
hearth extension is 8-3/4 in. (222 mm)
20 in. (508 mm)
Minimum
Hearth Extension
Floor
Micore
Noncombustible Material
Note: Maximum height from floor
under fireplace to top of finished
hearth extension is 8-3/4 in. (222 mm)
30 in. (762 mm)
Floor
Minimum
Hearth Extension
Noncombustible Material
Micore
Hearth Strip
Hearth Strip
31