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Installing Mildew and Mold Resistant Drywall

Bob is joined by Thad Goodman of Georgia-Pacific as their DensArmor Plus fiberglass-faced drywall is installed in a Mashpee, Massachusetts home. This gypsum-based drywall is just like traditional drywall, but is encased in tightly woven glass mats instead of paper. Removing the paper eliminates the host for mositure, mold, and mildew. If it does get wet, the fiberglass-faced drywall dries without delaminating so there are no replacement or repair costs down the line. Skipper Craft, of E. Miller & Sons Drywall, tells Bob that installation is the same for this product and traditional drywall. It is a bit heavierthan paper-faced drywall, but cuts and installs the same way. The drywall is taped with a self-adhering nylon tape on all the seams and with paper tape in the corners for a stronger finish. Drywall compound is applied to the seams before they prime the walls. This drywall will take a veneer plaster coat or paint directly on the surface. Using fiberglass-faced drywall will add about one dollar per square foot to the initial cost of the home, but will save money over time since it will not absorb moisture, delaminate, or need replacing over time.
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Installing Mildew and Mold Resistant Drywall

  computer-generated transcript - may not be 100% accurate

" Thad Goodman is with us now from Georgia Pacific and we're talking about a different -- from -- Wallboard product that still gypsum wallboard right still made with gypsum -- the difference is we put organic glass -- glass mats around the product. Instead of putting paper on it. So its characteristics are much the same as regular drywall and it acts the same when you cut it and score -- and hang him. The difference is he just not worry about mold -- moisture and the thinking is that if you have a paper backed gypsum wallboard. Paper which is organic can be a host surface for mildew growth right. Always like a smorgasbord for mold and girls. Quickly back to back off on terrible so. What we basically do. If we just wrap glass mats around both sides and as you can see this is a piece of it doesn't look any different than regular -- doesn't know what you're saying is this is -- fiberglass surface tightly woven glass mats. Gives you the opportunity to resist that mold and mildew when it comes in --"

" your I don't want to get your way but I mean you guys are working with this and does it doesn't work the same -- physically -- travel the world -- So cutting it and handling it doesn't played out you know. Good will look at -- we can watch the boys put it out there on the flat this is kind of like a tray ceiling in not in this room in this living room. And what they're doing is there. Hang it up they. The flat sections first. -- Tackling the sides."

" OK so we're in one of the bedrooms now and Brian is here getting the the walls ready for -- finish. Now what kind of tape is that Brian that the nylon tape. -- sticks right to the wall the same -- for the last -- and does does it make any difference whether using an island taper papers today it's much better to use. I'm not wanted in -- the OK. Does it make a difference -- this type of product whether you're. -- skim coating or not enemies how many people might put a skim coat over the wallboard is consistent strength. It's right no this product is designed so you could either use a regular paint finish or you can use a veneer plaster system a one or two coat system yes. Thanks it's usually. Brian a lot simpler and less expensive to just do what we're doing here right I yes exactly. Now this. Sometimes you do find one that's been. Yes driven on the way in time yes yeah. So Brian do you just fill in in the corner and put in more of the same plastic case. Audience via paper check now why do you use the paper tape in the corner because it's a stronger finish. And we'll have. Less time for crack. We use the paper tape along the ceiling line as well yeah and work. I haven't seen these before. Is this somebody's somebody's. -- we had any aesthetic. Gentlemen used to work for us and he's come up with a look at yeah. That's me and it's there's so much aren't going to lives up to vote portrait yeah so when you're still sort of I yeah into the prayer I want it pastor. So Thad one last question using this type of a product -- that analog to the cost of these the typical installation."

" It's going to add some additional costs of this crisis house. Over the -- over a house this size you're going to add about 1500 dollars for the price of it. Which is about a third again of cost of the material so there is an up front charge us. About a buck a square foot higher but in the long run for the protection and the safety do you get this product like this is going to give you -- much better. So much better finish long years down the road what you gonna do forming terms of energy consumption. As far as energy consumption goes there's not a lot of thermal value and a piece of drywall. But the secret there is if you get any moisture this product will dry out without delaminate or expanding or causing any problems down the road so you have to do any nasty repairs where you have to take things out."

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