Dealing With a Chimney Below the Roof Line
I have an old fireplace in my living room with a big brick mantle. The chimney was knocked in below the roof line when it was redone, but it still has 6 feet of brick in the ventilated attic.
In the winter, would the heat lost up the brick chimney be measurable if the chimney itself was well air sealed? It’s tight and I verified with a fogger.
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