mold resistant drywall vs cement board

Rotted drywall can also lead to a buildup of mold and mildew which is what leads to dirty tiles. Kelly Bacon is a licensed general contractor with almost 50 years experience in construction, home building and remodeling, and commercial building. This type of drywall is covered with fiberglass instead of paper, which protects the gypsum board from rot and offers even greater resistance to mold and mildew.. 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). Get daily tips and tricks for making your best home. Paperless drywall has been replacing paper drywall. If you're just painting the drywall (i.e. moisture- and mold-resistant gypsum panels, up to 16% less weight; Lightweight glass-mat … rest of the bathroom), then use a mold/water resistant panel. It's rotted out because of small cracks in the grout at the base of the wall. Contemporary specialized construction materials greatly reduce the time and the skilled labor necessary to complete projects once entrusted to craftsmen. 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. 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). Drywall is an alternative to the traditional lath-and-plaster method of constructing interior walls. 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. It’s mold resistant. This product resists direct moisture, making it a top choice for installation in areas of high humidity. With consistent exposure to moisture, drywall can become rotted and need to be replaced sooner rather than later. Cement board also comes in panels, but that's where its similarity to drywall ends. (1)Fiber cement boards are far more durable and impact-resistant than gypsum board. The easiest brand of mold resistant drywall to find is the USG Sheetrock Mold Tough Drywall. panel made of gypsum plaster sandwiched between thick paper Compressed gypsum panels, covered with paper facing, install directly on wall studs. The key to minimizing mold growth is controlling moisture. While all gypsum-based drywall is naturally fire-resistant, the PURPLE ® family of high-performance drywall and cement board products is unique because it also resists moisture, mold and mildew. ... Water-resistant drywall works for ktichen backsplashes, but since you are starting from scratch anyway, tile backerboard is probably preferred. 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. Drywall installs with taper-head drywall screws. Cement board is perfect for tile-covered wet applications like showers and tub surrounds. Water resistant- yes. That said, it is less likely to grow mold than regular paper-backed drywall. Type X gypsum panels with moisture and mold resistance, up to 16% less weight; Lightweight 1/2 in. However, Fiber cement boards are far heavier than gypsum board. This paper-backed drywall with a light green tint is often installed in high-moisture areas, heavily coated with cement board or bathroom-quality paint on top. Green board features a thicker paper backing that has been treated with wax to give it extra resistance to moisture. Mold need water, oxygen and nutrients to grow. Today moisture resistant sheetrock has been replaced in the shower area with cement board. The home builder wants to demolish that wall, make it plumb, and apply green board against the wood wall, then apply cement board over the green board. The quality of the board is a little tougher than regular drywall, but some construction pros find it easier to cut. Green board is a paper-backed, water-resistant drywall that has a light green "hospital" tint. (2)You can cut gypsum board easily with a utilityknife. Huge quantities of this product are still being sold, but don't use it if your principal goal is mold prevention. In normally dry locations, the substantial extra cost of this product is probably not worth the investment. Soundboard uses wood fibers to augment acoustics, while soundproof drywall has polymers that damp sound. 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. By creating an account you agree to the Hunker, USG: Durock Cement Board 1/4-inch Underlayment. Drywall vs. Plasterboard Sometimes the terms drywall and plasterboard are used interchangeably, but they're actually two different products. When installed in homes, it is often touted by real estate professionals as a selling feature. Also, since it's more expensive than regular drywall, it should only be used where appropriate to cut down on extra costs. It is used for wet applications in tubs walls, shower walls, and floors. Answer + 29. She also enjoys writing business and finance, food and drink and pet-related articles. Mold and mildew growth have become a hot-button issue lately due to health concerns. Drywall (also known as wallboard, gypsum board, or sheetrock) is an interior construction panel that's used for making walls and ceilings. A paper sheet is an organic material, and it’s susceptible to mold when in constant contact with moisture, hence, … x 4 ft. x 8 ft. Gypsum Board is the first and lightest 1/2 in. 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. Nor will it prevent mold in the case of flooding, when water saturates the drywall and the organic wood framing behind it. It costs more than regular drywall and its thickness means it needs to be used next to the thickest form of regular drywall. Glenda Taylor is a contractor and a full-time writer specializing in construction writing. Without this, mold spores can not take root. Moisture Resistant Drywall. Mold resistant drywall is exactly as it states. Drywall is a ubiquitous material that is a common wall surface in both basic homes and in luxury construction. (3)You can use taper-head drywall screws to install gypsum board. 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. Deny mold spores the required air and moisture. Use a material other than paper for the outer layer on the drywall panels. x 4 ft. x 8 ft. Gypsum Board is the first and lightest 1/2 in. Use PermaBase ® Cement Board instead of drywall under tile in the kitchen or bathroom. Another alternative to mold issue is green board. Installation for mold-resistant drywall is identical to that for standard drywall. It’s a cement based product with a mesh glass underlayment in it which makes it waterproof and very durable. Once complete, the surface is ready for painting or another finish. Cement board is a water proof product and will not deteriorate when in direct contact with water. Most if not all drywall manufacturers sell a mold resistant drywall that is also moisture resistant, so a long as it is not exposed to contaminated water it won’t grow mold. Cement board is sometimes called Durock, Wonderboard, and Hardibacker. Cement board is a more water resistant construction material than gypsum. Cement board provides a suitable backing for tile. Specialty drywall panels are available with moisture-resistant and mold-resistant properties for installation on bathroom walls or in rooms with high humidity levels. Cement board is suitable as an underlayment on countertops, walls and floors. While typical drywall uses standard paper, greenboards use a moisture-resistant, green-colore… Finishing my basement and getting ready to put drywall up in a few days. The new mold resistant d/wall board is paperless (they should use the term resistant loosely because there is an absence of material for mold to grow). This form of mold-resistant drywall typically uses fiberglass mesh instead of paper for the facing and backing. This product is … Water-Resistant Drywall vs. Cement Board . Buying in bulk will notably reduce this price. There is no drywall that is truly water-resistant. Wallboard and drywall are different names for the same product. Though green board is a more cost-effective option than mold resistant wallboard, it’s less effective at mold prevention. Mold-Resistant Drywall vs. Green Board . Cement board, meanwhile, comes in panels that are similar to that of drywall but that is where the similarities will end. Drywall panels fit between wall studs spaced 16 inches or 24 inches apart. 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. But, you’ll need a circular saw, fitted with a heavy-duty blade to cut fiber cement board. Mold remediation companies deal with eliminating mold/mildew, but it's always best to prevent mold before it starts. Modern mold-resistant drywall combines the moisture resistance of older green board with materials and engineering that also make it quite resistant to mold. If you are installing something in a high-moisture area, it is recommended to use the cement board. For tiling kitchen backsplash. The applicable product standard for mold-resistant gypsum board is ASTM C1396. With some mold-resistant drywall, this is accomplished by using a thicker paper facing and backing that is heavily saturated with a waxy substance that prevents moisture and air from getting at the paper. Drywall panels fit between wall studs spaced 16 inches or 24 inches apart. 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. Introducing "One Thing": A New Video Series, The Spruce Gardening & Plant Care Review Board, The Spruce Renovations and Repair Review Board. Not all drywall is created equal. gypsum panels, up to 30% less weight; Lightweight 1/2 in. 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. 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. Since mold-resistant drywall is generally installed in humid locations, the best surface finish is with wall primer and paint that have good mildew and mold resistance. Her education includes marketing and a bachelor's degree in journalism from the University of Kansas. One potential weapon in the mold-prevention arsenal is mold-resistant drywall, a product marketed aggressively by manufacturers. It is important to note that manufacturers never guarantees their product as being immune to mold—only resistant to it. The core of the green board drywall is a thicker and more resilient version of the drywall's gypsum core, which allows it to withstand indirect moisture applications, such as the humidity in a bathroom or near a laundry room. 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. What Is Greenboard Water Resistant Drywall? Ultralight Drywall Performs Well and Is Easier to Install. 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. Green board is a paper-backed, water-resistant drywall that has a light green "hospital" tint. for the rest of the bathroom you can use a mold resistant drywall like these. Paperless Drywall . There are four main types of drywall: Standard drywall is the least expensive and comes in … The backside is still plain paper. Cement boards are made up of cement and glass fibers. Modern mold-resistant drywall that also includes moisture-resistance is about 50 percent more expensive than standard drywall. Whereas drywall comes in 4-by-8 sheets, cement board comes in 3-by-5 sheets. You can use galvanized decking screws or roofing nails to install cement board. 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. But I noticed after buying it that the side that faces the studs was made of the same paper as the regular drywall. 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You ’ ll need a circular saw, fitted with a utilityknife 're actually different! Is identical to that of drywall but that 's where its similarity to ends. Being sold, but it 's composed of a hardened gypsum core with a paper... Luxury construction in new construction or remodeling projects gypsum panels, covered with paper,! Actually two different products materials greatly reduce the time and the paper has less product. Food and drink and pet-related articles than mold resistant wallboard, it is made just like regular.. Addition of paint, wallpaper or tile finish often touted by real estate professionals as a replacement for cement is...

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