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From: sammy on 18 Jan 2008 09:02
We have a brick wall with a fireplace in the mid-atlantic region.
Although
we haven't used the fireplace recently, I notice a small amount of
cement dust
falling on the mantle. yet the wall looks intact. Any idea what could
cause this
or what needs to be done?

Thanks
From: alphaz on 19 Jan 2008 09:07
On Jan 18, 2:02 pm, sammy <dit.d...(a)gmail.com> wrote:
> We have a brick wall with a fireplace in the mid-atlantic region.
> Although
> we haven't used the fireplace recently, I notice a small amount of
> cement dust
> falling on the mantle. yet the wall looks intact. Any idea what could
> cause this
> or what needs to be done?
>
> Thanks

Nothing unusual in that. Perhaps recent rain has disturbed loose
flakes in the mortar joints etc.. However if you are going to use the
fire and there are rooms above the fireplace you might want to use a
'smoke bomb' to check that there is nothing leaking into those rooms
from the flue.

We use to install a system here in the UK called 'Insa-Flu' (don't
know if its still about?) But it involved positioning a long 6"
diameter inflatable tube down from the top the flue to the fireplace.
This was held in the centrally withing the flue by spacing clamps.
When positoned the tube was inflated and 'Vermiculite Concrete' was
poured into the space between the tube and the walls of the flue. When
the Vermiculite had set the tube was then 'deflated' removed and used
on the next job. Result, a new Vermiculite flue lining which would
last for years.
Hope this in of some help.
Kind regards
Joe
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