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In article ,
(Andrew Gabriel) writes:
In article ,
"Pecanfan" writes:
also, what are the consequence of doing nothing?? Peeling paint perhaps??

The plaster will almost certainly start to crack after a while. I would
also imagine the contraction and expansion caused by the temperature
extremes would eventually cause the plaster to lose it's key to the wall
altogether.

Is there a cavity between the flue and wall, down which
you could pour vamiculite supposing you could gain access
^^^^^^^^^^
vermiculite
at the top?

--
Andrew Gabriel