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-   -   Do I have a mold problem? (http://www.diychatroom.com/f101/do-i-have-mold-problem-99669/)

chsitko 03-26-2011 07:37 PM

Do I have a mold problem?
 
Hi, and thanks in advance for any replies.

Our Basement has some wood pannel with drywall behind it. We dont like the paneling and i am in the process of taking it down. My plan was to just put new drywall up over the old drywall so i dont have to bother with the mess. Im noticing along the base of the wall there is what looks to be surface mold, where the paneling was attached. Will i be okay to just scrub it off and then hang the new drywall over the old drywall, or do i need to remove all the old drywall and start from scratch.

https://lh5.googleusercontent.com/_h...0/P1090777.JPG

https://lh6.googleusercontent.com/_h...0/P1090778.JPG

MnDrywallRanger 03-26-2011 07:43 PM

Quote:

Originally Posted by chsitko (Post 617527)
Hi, and thanks in advance for any replies.

Our Basement has some wood pannel with drywall behind it. We dont like the paneling and i am in the process of taking it down. My plan was to just put new drywall up over the old drywall so i dont have to bother with the mess. Im noticing along the base of the wall there is what looks to be surface mold, where the paneling was attached. Will i be okay to just scrub it off and then hang the new drywall over the old drywall, or do i need to remove all the old drywall and start from scratch.

https://lh5.googleusercontent.com/_h...0/P1090777.JPG

https://lh6.googleusercontent.com/_h...0/P1090778.JPG


You should cut out a couple of spots to look behind it and see if you have mold behind the drywall.

I personally would just remove the old sheetrock instead of rocking over it in that situation.

chsitko 03-26-2011 08:21 PM

So i pulled one of the panels all the way down, and there is some mold on the other side of the drywall, about the same amout as the front. The foundation wall and the 2x4's have no mold on them at all, so i think i am safe. I will take down the remaining drywall and put new drywall straight to the 2x4's. I'm assuming it would be better for me to use green board or some paperless drywall. Do i need one over the other?

williamwiens 03-27-2011 07:49 AM

you could also measure up 4 ft +1/2" up from the floor snap a line and cut out everything below that line.
Then, hang sheets horizontally around the room rather than relacing everything.

Sir MixAlot 03-27-2011 08:34 AM

Chsitko, If you do end up replacing the drywall, definitely keep it off of the floor by at least a 1/2".:thumbsup:

-Paul

chsitko 03-27-2011 10:04 AM

Sir Mixalot, i think that is probably the main reason there is a little mold, it looks like the drywall wicked water up from the bottom, probably because it was placed to close to the floor.

Is there any other tips that can help the drywall not absorb moisture at the floor? Maybe wrap the moisture barrier from behind the drywall up the front an inch or two?

AandPDan 03-27-2011 03:41 PM

Chsitko,

Instead of regular drywall, look for greenboard drywall. It is more moisture resistant than the regular and is meant to be used in basements or where it is more humid.

Keep it off the floor a good 1/2".

When you finish the wall, use a mildewcide in the primer and paint.


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