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        10 Things You Must Know: Drywall

        Use this expert advice and find out all you need to know about installing drywall.

        More in Remodeling

        Keep it Dry(9 of 10)

        A good thing to have on your exterior wall is vapor barrier. This will keep moisture from penetrating the back of the wallboard, which can possibly cause mold. If you don't do the vapor barrier and you have a large exterior wall, you can get a mildew buildup behind the drywall, and then sometimes you'll get that little browning or blacking effect in the areas.

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        DIY Experts

        Sweat Equity

        Renovate your home with host Amy Matthews.

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