Hearth and Home Technologies I60 - Manual (Page 42)

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Non-combustible Sealant
After completing the framing and applying the facing
materials over the framing, a bead of non-combustible
sealant must be used to close off any gaps at the top and
sides between the fi replace hearth.
Non-combustible Sealant
Figure 11.6 Place Non-combustible Sealant
30 in. min.
12 in.
Min.
12 in.
Min.
Figure 11.7 Flush Hearth Extension
Flush Hearth Extension Framing
A raised hearth extension built fl ush with the fi replace
opening (Figures 11.7, 11.8) requires the fi replace to be
installed on a non-combustible surface.
Noncombustible Material Protective Metal
Hearth Strip
30 in. Min.
Hearth Extension
Micore
Finished
Floor
Note: Maximum height from floor
under fireplace to top of finished
hearth extension is 7-5/8 in.
Figure 11.8 Flush Hearth Extension Side View
Heatilator • I60, I80 • 4013-250 • Rev C • 11/08