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Non-combustible Sealant
Non-combustible Finishing Material
Protective Metal
Hearth Strip
30 in. Min.
Hearth Extension
1 in. (25.4 mm)
Micore and
1/2 in. (13 mm)
Durock
Finished
Floor
Bottom of
Fireplace Opening
Note:
The bottom of the fireplace opening
is 3-3/4 in. (95.3mm) above the bottom of
the fireplace. Finished hearth must NOT
extend above this level.
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Flush Hearth Extension
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