Heatilator ST42A Installation Manual page 13

F. Protective Metal Hearth Strips
WARNING! Risk of Fire!
strips MUST be installed on combustible surfaces. DO
NOT cover metal strips with combustible materials.
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• Protective metal hearth strips MUST be installed.
• Hearth extensions MUST be installed exactly as
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Protective metal strips are placed 2 in. (51 mm) under the
front of the fireplace and must extend beyond the front
and sides of fireplace opening by 2 in. (51 mm).
Figure 3.6 Position the Protective Metal Hearth Strips
Top piece must overlap
Raised Platform
2 in.
(51 mm)
2 in.
(51 mm)
Figure 3.7 Protect the Front of an Elevated Platform
Protective metal hearth
High temperatures, sparks,
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1 in. (25 mm)
overlap
bottom piece
1 in. (25 mm) min.
overlap
Floor
Heatilator • ST42A Installation Manual • 4012-051 • Rev O • 02/22