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mold resistant drywall vs cement board

Contemporary specialized construction materials greatly reduce the time and the skilled labor necessary to complete projects once entrusted to craftsmen. 1/2 in. x 4 ft. x 8 ft. UltraLight Panels Mold Tough Sheetrock Brand UltraLight Mold Tough 1/2 Sheetrock Brand UltraLight Mold Tough 1/2 in. The applicable product standard for mold-resistant gypsum board is ASTM C1396. One potential weapon in the mold-prevention arsenal is mold-resistant drywall, a product marketed aggressively by manufacturers. Cement board provides a suitable backing for tile. It costs more than regular drywall and its thickness means it needs to be used next to the thickest form of regular drywall. But need galvanized decking screws or roofing nails to install fiber ceme… Like any form of drywall, the mold-resistant form is generally a very durable, easy-to-care-for wall surface. Paperless Drywall . moisture- and mold-resistant panel available. What Is Greenboard Water Resistant Drywall? In normally dry locations, the substantial extra cost of this product is probably not worth the investment. The smaller dimensions of cement board make the installation of it on large walls more difficult, but cement board panels fit vertically in 3-foot wide showers, or horizontally behind a standard 5-foot bathtub. Due to their cement and fiberglass base material, cement boards are more impact—resistant and more durable than drywall (made of gypsum and paper sheets). Huge quantities of this product are still being sold, but don't use it if your principal goal is mold prevention. All drywall is a fairly brittle material that can be cracked and damaged, but repairs are fairly easy to make, either by taping and refinishing the damaged area with taping compound or by cutting damaged areas away and installing a drywall patch. If you can find one that's combined with an abuse-resistant board (since it's a rental) that would be the best of both worlds. Green board is intended for use for ordinary wall applications in areas that experience constant high humidity, such as bathrooms and basements, but it does not have the superior mold-resistance of newer products. Soundboard uses wood fibers to augment acoustics, while soundproof drywall has polymers that damp sound. It’s mold resistant. The backside is still plain paper. Once complete, the surface is ready for painting or another finish. Cement board is suitable as an underlayment on countertops, walls and floors. This product is … It's composed of a hardened gypsum core with a thick paper on the front, back, and long edges. Essentially, drywall is gypsum pressed between two sheets of paper. Cement board is a very hard panel formed by cement slurry and reinforced fiberglass mesh. The finish face side. This form of mold-resistant drywall typically uses fiberglass mesh instead of paper for the facing and backing. ... Water-resistant drywall works for ktichen backsplashes, but since you are starting from scratch anyway, tile backerboard is probably preferred. moisture- and mold-resistant panel available. But in rooms that experience frequent humidity and are often subject to mold and mildew, such as bathrooms or basements, mold-resistant drywall is a good choice. If you are installing something in a high-moisture area, it is recommended to use the cement board. Moisture Resistant Drywall. It should not be used as a replacement for cement board as a backing material for ceramic tile. It is the standard wall finish material used throughout the construction industry. For tiling kitchen backsplash. It is an older form of water-resistant drywall that is gradually being phased out in favor of products that combine both moisture resistance and mold resistance. Drywall cuts easily with just a utility knife, but you'll need a circular saw, fitted with a heavy-duty blade, to cut cement board. Mold-Resistant Drywall vs. Green Board . Painted surfaces should be kept clean and should be repainted periodically to preserve a good moisture barrier. Big box home improvement centers sell a sheet of 1/2-inch, 4 x 8-foot standard drywall for about $12 per sheet, while a comparable sheet of good mold-resistant drywall costs about $16. Moisture exposure can occur during all phases of the construction process and through the building life cycle from roof, wall and pipe leaks, gross water penetration of the façade, vapor diffusion and condensation, and capillary rise. Drywall can accept surface finishes of paint, wallpaper, or textured skim-coat plaster. Mold and mildew growth have become a hot-button issue lately due to health concerns. Baseboards and other trim are generally nailed in place after the drywall is installed. Don't use mold board on the ceiling as it will sag. (1)Fiber cement boards are far more durable and impact-resistant than gypsum board. It’s a cement based product with a mesh glass underlayment in it which makes it waterproof and very durable. I had suggested to the home builder that I would rather put 15 lbs felt over the wood wall, then put the cement board over the felt, but the home builder said that they would not do that. But these products are by no means waterproof or moldproof—and the manufacturers do not claim so. Drywall panels fit between wall studs spaced 16 inches or 24 inches apart. If you're just painting the drywall (i.e. Whereas drywall comes in 4-by-8 sheets, cement board comes in 3-by-5 sheets. Installation for mold-resistant drywall is identical to that for standard drywall. I emphasize paper because paper is the "FOOD" for mold. Kelly Bacon is a licensed general contractor with almost 50 years experience in construction, home building and remodeling, and commercial building. There is no drywall that is truly water-resistant. Another alternative to mold issue is green board. Advantages and Benefits Mold/Moisture-Resistant Gypsum Panels were introduced to provide better protection against the threat of moisture damage than standard drywall, but it can be installed and finished just as easily. It’s hard, durable, naturally moisture- and mold-resistant, and won’t rot, disintegrate or swell when exposed to water, making it ideal for use behind ceramic tile, backsplashes and countertops. Ultralight Drywall Performs Well and Is Easier to Install. Get daily tips and tricks for making your best home. x 4 ft. x 8 ft. Gypsum Board is the first and lightest 1/2 in. rest of the bathroom), then use a mold/water resistant panel. gypsum panels, up to 30% less weight; Lightweight 1/2 in. We were planning on replacing most of that drywall with the mold resistant dry wall (I think that's called green board), but Home Depot and Lowes keep pushing the cement board for the part that we're going to tile (around the tub/shower). This product resists direct moisture, making it a top choice for installation in areas of high humidity. Preventing mold growth on drywall can be approached via two strategies: Increasingly, mold-resistant drywall is also marketed as moisture-resistant wallboard, and where manufacturers once offered two different drywall products—one for mold resistance, one for water-resistance—most products now incorporate both merits. Use cement board for the tub area, especially if tiling. Answer + 29. Cement board is a water proof product and will not deteriorate when in direct contact with water. Green board features a thicker paper backing that has been treated with wax to give it extra resistance to moisture. Without this, mold spores can not take root. Her education includes marketing and a bachelor's degree in journalism from the University of Kansas. When installed in homes, it is often touted by real estate professionals as a selling feature. Mold Resistant Drywall Tape and Joint Compound Research has indicated that quick-setting joint compound and fiberglass tape may withstand leaks and flood events better than regular drywall joint compound and paper tape. Drywall is an alternative to the traditional lath-and-plaster method of constructing interior walls. Lee has over two decades of hands-on experience remodeling, fixing, and improving homes, and has been providing home improvement advice for over 12 years. Note that these products all combine mold-resistance with the moisture resistance that was once the virtue of green board drywall. Modern mold-resistant drywall combines the moisture resistance of older green board with materials and engineering that also make it quite resistant to mold. She also enjoys writing business and finance, food and drink and pet-related articles. Mold Resistant Drywall vs. Durock. Specialty drywall panels are available with moisture-resistant and mold-resistant properties for installation on bathroom walls or in rooms with high humidity levels. Though green board is a more cost-effective option than mold resistant wallboard, it’s less effective at mold prevention. These are available in 4×8-foot and 3×5-foot sheets that are either 1/2 inch or 1/4 inch thick.Greenboards or blueboards, on the other hand, are types of drywall. Wet or dry, such backer board provides a … Cement board is sometimes called Durock, Wonderboard, and Hardibacker. By creating an account you agree to the Hunker, USG: Durock Cement Board 1/4-inch Underlayment. Green board is a paper-backed, water-resistant drywall that has a light green "hospital" tint. Green-board drywall is water-resistant, not waterproof. Panels of drywall are nailed or screwed to the bare framing, then the joints between panels are covered with drywall tape and finished with several coats of taping compound, which are lightly sanded between coats.

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