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Posted by PeterL on August 26, 2008, 11:42 am
On Aug 26, 5:28=A0am, h...@uark.edu wrote:
>
> > Couple of weeks ago I posted a question about possible water damage
> > from some deposit along the edge of the bathtub. =A0It's a hard deposit
> > which I scrapped off with a paint scrapper. =A0I don't know if it'll
> > come back.
>
> > Here are some pictures of the deposit. =A0What is it?
>
> >http://tinyurl.com/5s6cwr
>
> My guess is that there is condensation in the wall cavity of the
> bathroom. =A0This "slow" water accumulation when mixed with the
> "chemicals" in the studs could result in the condition you are having.
> It is also possible that you have termite infestaion there, often
> attracted by moisture, which would explain why you have hard deposits
> around the edges. You did not state if the bathroom has exterior
> walls. =A0Is the bathroom well insulated? =A0Are you in a location with
> extreme low temperatures? =A0One "drastic' way of getting an idea about
> what is going on in the wall cavity is to remove a small piece of the
> sheetrock (pershaps 12"x12") that will let you look inside. =A0HTH.
Thanks. We live in a hot dry climate (Sacramento, CA). The bathroom
does have external wall, I don't know if it's well insulated.
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