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Replace exterior drywall sheathing after flood?

Replace exterior drywall sheathing after flood?

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08-23-16, 09:15 AM

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jatwood87

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Replace exterior drywall sheathing after flood?

My house recently recieved 21" of floodwater. After we removed the wet interior drywall and insulation, I noticed that the exterior sheathing is water resistant gypsum board. Should I be cutting that out and replacing it as well? Some of it is relatively dry, some is damp and some is soft.

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08-23-16, 09:22 AM

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marksr

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I'd replace it all if it isn't too much of a hassle, definitely replace what is water damaged! IMO drywall has no place on the exterior .... although I've seen it before, even painted one house where all the soffits were drywall.

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