|
Posted by deans@wdeans.com on January 4, 2007, 11:32 pm
Mike Paulsen wrote:
> Mulan wrote:
> > I moved some furniture today and found crystals and lots of powdered
> > plaster all over the wall and floor on an outside wall. I think the
> > water sprinkler used to hit the brick wall on the outside. Is this an
> > ongoing problem or will keeping water away from the brick solve the
> > problem? I have a lot of patching to do :-(
> >
>
> The stuff you're seeing is what's left when water picks up soluble salts
> as it moves through the plaster and then leaves the salts on the surface
> as it evaporates. This is called bloom or efflorescence. (Not to be
> confused with effervescence.)
>
> There are products which will help remove the efflorescence from the
> surface of the plaster if dry brushing or wet brushing doesn't work.
>
> Keeping water off the brick will probably solve this unless you have
> continued problems with moisture in the wall from other sources.
Greetings,
If you do continue to have a problem consider covering the wall with
FRP or furring it out. Sometimes this is the easiest way.
Hope this helps,
William Deans
| 
Yahoo! 
Google 
Windows Live 
del.icio.us 
digg 
Netscape 
XML Sitemap