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Old 01-12-2010, 04:11 PM   #1
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mold resistant drywall


is mold resistant drywall a must in basement walls? These are perimeter walls walls and not basement bathroom walls.

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Old 01-12-2010, 05:07 PM   #2
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mold resistant drywall


not a requirement just a good idea

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Old 01-13-2010, 07:50 AM   #3
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mold resistant drywall


Mold grows at 80% RH.

If you're going to keep the RH under 80%, then you won't have mold problems. If you're going to let it rise above 80% then you might.
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Old 01-14-2010, 08:53 PM   #4
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mold resistant drywall


Mold resistant drywall (purple board) is a great idea in a basement. Do it once & do it right.

Don't forget to use mold resistant mud in a 5 gallon bucket (the one from GP with the purple lid) or the quick dry type that is sold in the bag and you mix it up, otherwise you are wasting your time as mold will grow in regular mud (joint compound).

If you want to take it all the way use one on the new mold resistant tapes for doing your joints. Then you have a full mold resistant system.

The new mud in the 5 gallon bucket is fantastic. Sooo creamy none of those annoying pinholes etc. I liked it. Made taping a dream.
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Old 01-15-2010, 07:41 AM   #5
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mold resistant drywall


Quote:
Originally Posted by pyper View Post
Mold grows at 80% RH.

If you're going to keep the RH under 80%, then you won't have mold problems. If you're going to let it rise above 80% then you might.
Common household mold grows at 60% RH or .6 water content, between 40 and 110 degrees F.
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Old 01-15-2010, 08:52 AM   #6
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mold resistant drywall


thanks for the replies.

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