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Heatilator • ST42A Installation Manual • 4012-051 • Rev C • 10/03/13
C. Non-Combustible Sealant Material
After completing the framing and applying the facing
materials over the framing, a bead of noncombustible
sealant must be used to close off any gaps at the top
and sides between the fireplace and hearth.
WARNING!
Risk of Fire!
Hearth & Home Technologies is not responsible for
discoloration, cracking or other material failures of
finishing materials due to heat exposure or smoke.
• Choose finishing materials carefully.
Non-combustible Sealant
Figure 7.9 Place Non-combustible Sealant
