Good post Gregory. If by any chance you receive any follow-up information from the pros, please let us know! Take care.
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Will do
From I Phone GHI Greg’s Home Inspections, LLC Serving DC MD and VA
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Likely refractory cement.
The damper body is corroded. If there is a smoke shelf the issue is multiplied.
Not enough information.
Image of the chimney, crown, and fireplace e please.
Certified WETT inspector.