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-   -   Mold Resistant Drywall or Greenboard? (http://www.diychatroom.com/f101/mold-resistant-drywall-greenboard-170930/)

natspawpaw 02-03-2013 04:57 PM

Mold Resistant Drywall or Greenboard?
 
Is the "Mold Resistant(retardent) Drywall sold at the big box stores the same or similar thing as "greenboard"? Which would you use in a bathroom?

ToolSeeker 02-03-2013 06:10 PM

You can use either one they are basically the same.

joecaption 02-03-2013 06:27 PM

Just do not use it to lay tile over in the shower or tub area.

Gary in WA 02-04-2013 06:37 PM

Two different beasts... Mold Resistant; 1/2" thick board, ceiling framing only at 16"o.c., never 24". 5/8" will go 24". with a water-based finish.
Green board, 1/2"; ceiling framing only at 12"o.c., need 5/8" for 16"o.c. 24"o.c.--- use another product. I'd use lightweight 1/2" spans (24"o.c.) equal to 5/8" for anti-sag, and insulation weight loaded above (2.2#).

http://www.usg.com/rc/data-submittal...tal-WB2390.pdf

http://nationalgypsum.com/products/..%5CFile%5C1046.pdf

Post #6; http://www.diychatroom.com/f101/dryw...shower-170011/

Gary

Maintenance 6 02-05-2013 10:59 AM

Not all greenboard is mold resistant. Moisture resistance and mold resistance are two different things. Ask for a "cut sheet" where you buy it and read the specs. Mold resistant drywall is typically moisture resistant by nature, but not the other way around.

Gary in WA 02-05-2013 09:51 PM

I've removed a lot of greenboard that looked like cottage cheese after some years...be wary of a vapor barrier/retarder in wet areas (or dry, IMO); http://publicecodes.cyberregs.com/ic...002_par013.htm

http://books.google.com/books?id=qhU...arrier&f=false

Gary

ToolSeeker 02-06-2013 08:14 AM

It is my understanding they are doing away with the greenboard. I guess phasing out would be a better term. So what is out there now is just the remaining stock they are getting rid of.


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