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41
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 replace hearth.
30 in. min.
12 in.
Min.
12 in.
Min.
A raised hearth extension built ush with the replace
opening (Figures 11.7, 11.8) requires the replace to be
installed on a non-combustible surface.
Non-combustible Material
Protective Metal
Hearth Strip
30 in. Min.
Hearth Extension
Micore
Finished
Floor
Note: The bottom of the fireplace
opening is 7-5/8 in. above the bottom
of the fireplace. Finished hearth must
NOT extend above this level.
Non-combustible Sealant
Heat & Glo • EXCLAIM-50 • 4013-041 • Rev AA • 7/12