Re: GreenBoard installation around tub
Posted by nicktheplumber on February 09, 2003 at 01:53:33:
In response to Re: GreenBoard installation around tub
MR drywall (greenboard) was never intended to be exposed to the kind of moisture you have in showers. It was meant to be used in rooms with high humidity (like bathrooms), but not in the shower spray. It is not even meant to be used there if covered with mastic-hung ceramic tile. For the immediate shower area a more resistant material is needed, and this is usually cement board or a trowelled-on cement/plaster wall.

I know that many contractors use MR drywall in shower areas, but they shouldn't, even if it does occassionally hold up.

: Should the greenboard installed around a tub being coverted to a shower reach the ceiling? Ihave 59 inch panels. Can I get by with saving the rest of wall. Have 14 inches or so of old wall remaining. Thanks

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