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Posted by DAC on October 17, 2006, 6:56 am
You ask a good question. I have used paintable caulk in my drywall
repair when I removed the texturing from the ceiling and in the process
nicked or poked through the paper corner tape. a good flexible caulk
over the slit seemed much better than re-taping the whole seam.
My thought would be to save the caulking for small cracks and where
there's a definate bulging of the seam tape...I would suggest redoing
the seam.
DAC
Rugburn wrote:
> Mike Paulsen wrote:
> > Paul wrote:
> >
> >> I recently removed wall paper and after a few hot water baths and
> >> washing the glue off. I painted the wall. After the paint had dried,
> >> it revealed two bad horizontal seams in one of the stairwell walls.
> >> The seams are slightly rounded to the point that it is visible in any
> >> light. What is the best way to repair this? Mine out the seam, sand
> >> down the edges and repair it with tape and mud??
> >>
> >
> > Horizontal seams in the stairway can be a problem since the drywall
> > often crosses the rim joist between floors. When the joists dry out (or
> > if there is significant seasonal moisture change) the wood
> > shrinkage/movement is enough to cause the drywall to crack or bulge. Or
> > both.
> >
> > You can try repairing the seam and see how it holds up through a few
> > seasons. If it buckles or cracks again, you'll either have to live with
> > it or install an expansion joint.
> >
> > If you want to try to fix the seam, carefully scrape off the paint and
> > mud as you can, being careful not to damage the wallboard itself. You
> > can loosen up the mud (assuming it wasn't a setting type mud) by wetting
> > with a sponge. Keep wetting and scraping until you're able to remove the
> > paper tape. You can then re-tape and mud it even with the existing wall.
> > (It's a lot of work, but adding another layer of tape and mud over the
> > existing joint would likely create a noticeable hump in the wall.)
> >
> > Chair rail moulding is also worth considering.
>
> Just a thought/question, as I am in the process of looking at floor
> tiles and saw something about flexible grout, and we used touse a
> paintable caulk in a shop where I worked. Is there something like a
> paintable/flexible caulking compound or anything that might help here?
> I realize that if the caulk stretches, then even paint that is well
> adhered to it is going to chip/flake/peelor something...But thought I
> would ask.
> Thanks
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