Non-Combustible - Heatilator I60 Owner's Manual Installation And Operation

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 fireplace hearth.
Non-combustible Sealant
Figure 11.6 Place Non-combustible Sealant
42
Heatilator • I60, I80 • 4013-250 • Rev H • 1/11
Flush Hearth Extension Framing
A raised hearth extension built flush with the fireplace
opening (Figures 11.7, 11.8) requires the fireplace to be
installed on a non-combustible surface.
12 in.
Min.
Figure 11.7 Flush Hearth Extension
Note: Maximum height from floor
under fireplace to top of finished
hearth extension is 7-5/8 in.
Finished
Floor
30 in. Min.
Hearth Extension
Micore
Noncombustible Material
Figure 11.8 Flush Hearth Extension Side View
30 in. min.
12 in.
Min.
Protective Metal
Hearth Strip