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Wet Wallboard - want to consolidate / stiffen

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Wet Wallboard - want to consolidate / stiffen jnkniner 03-25-2007
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Posted by on March 25, 2007, 12:10 pm


I have an old house. Person before me tiled over drywall (Not at
least greenboard!). I had a leak in the pipe to showhead that got the
drywall wet. Tile was put on with good layer of mastic so the mastic
itself is still okay. However after a week of running a dehumidifier
the paper has peeled away in spots and drywall is still crumbly. The
tile is still straight and not sagging and it's only a 2' x 3'
portion. I don't want to retile. So I am looking for a solution to
strenghten the drywall. I am thinking some good sealer paint might
act as a glue, but could act as a water trap to make matters worse?
Anyone have any ideas?


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Posted by EXT on March 25, 2007, 2:17 pm


I am constantly amazed at how much work people will attempt to avoid doing
the job right. Many times it is simpler, cheaper and quicker to re-do it
correctly than the steps they will take to butcher together a patch job.

> On Mar 25, 8:10 am, jnkni...@wowway.com wrote:
>> I have an old house. Person before me tiled over drywall (Not at
>> least greenboard!). I had a leak in the pipe to showhead that got the
>> drywall wet. Tile was put on with good layer of mastic so the mastic
>> itself is still okay. However after a week of running a dehumidifier
>> the paper has peeled away in spots and drywall is still crumbly. The
>> tile is still straight and not sagging and it's only a 2' x 3'
>> portion. I don't want to retile. So I am looking for a solution to
>> strenghten the drywall. I am thinking some good sealer paint might
>> act as a glue, but could act as a water trap to make matters worse?
>> Anyone have any ideas?
>
> I'm not getting 100% of the picture but do You still have access to
> the backside of the drywall?Is it damaged only behing the tile? If so
> then maybe the crumbly stuff can be scraped away and something tougher
> troweled on..Some fiber mesh added for strength if You think it's
> needed.After scraping use some KILZ to prep it for the fillcoat..It
> would'nt need to be pretty if it's hidden within the wall..
>



Posted by Dean on March 25, 2007, 4:55 pm


Agreed,however asking for alternatives seems to fit the bill too on a
DiY site..


> I am constantly amazed at how much work people will attempt to avoid doing
> the job right. Many times it is simpler, cheaper and quicker to re-do it
> correctly than the steps they will take to butcher together a patch job.
>
>
>
>
>
> > On Mar 25, 8:10 am, jnkni...@wowway.com wrote:
> >> I have an old house. Person before me tiled over drywall (Not at
> >> least greenboard!). I had a leak in the pipe to showhead that got the
> >> drywall wet. Tile was put on with good layer of mastic so the mastic
> >> itself is still okay. However after a week of running a dehumidifier
> >> the paper has peeled away in spots and drywall is still crumbly. The
> >> tile is still straight and not sagging and it's only a 2' x 3'
> >> portion. I don't want to retile. So I am looking for a solution to
> >> strenghten the drywall. I am thinking some good sealer paint might
> >> act as a glue, but could act as a water trap to make matters worse?
> >> Anyone have any ideas?
>
> > I'm not getting 100% of the picture but do You still have access to
> > the backside of the drywall?Is it damaged only behing the tile? If so
> > then maybe the crumbly stuff can be scraped away and something tougher
> > troweled on..Some fiber mesh added for strength if You think it's
> > needed.After scraping use some KILZ to prep it for the fillcoat..It
> > would'nt need to be pretty if it's hidden within the wall..- Hide quoted
text -
>
> - Show quoted text -



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