Where is mold-resistant drywall necessary in a daylight basement?
I am confused about where it is necessary to use mold-resistant drywall. Half of my basement is underground and is poured concrete, the other half is regular walls with 2X6 framed walls, blown cellulose insulation, OSB sheathing, Tyvek, and Hardie panel siding. Is mold resistant drywall needed on all walls in the basement, or just on the walls that are below grade? The below grade walls are insulated with 3/4 inch XPS and strapped with vertical treated 1X4s.
My reason for trying to get away from the mold-resistant board is that the walls are 9 feet and the green stuff comes in only 4 foot widths in my area. Using 54 inch drywall will make things go much faster.
Posted Jan 31, 2013 8:14 PM ET
Edited Feb 1, 2013 9:08 AM ET
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