The firebox floor together with the protective floor extension in front of it.
This comes in two parts: the inner hearth, which is the firebox floor, and the hearth extension, the non-combustible section reaching out in front of the firebox. IRC sets the extension at a minimum of 16\" deep for fireboxes under 6 sq ft and 20\" for anything larger.
We work on hearth every week across DFW. CSIA-certified, written quotes, financing available.
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Active leak, animal in flue, post-fire damage, or smoke event? Real humans on the line 7 AM to 12 AM every day — replies in under 2 minutes. Tech dispatch within 2 hours during business hours, subject to crew availability after-hours.
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