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Hence the question "Is cement board waterproof?" Well, here's what some manufacturers have to say about waterproofing: PermaBase (National Gypsum): PermaBase PLus is not a water barrier. Alternatively, the same size of Wonderboard branded backer board costs 12.89$. Unlike other cement backerboards, WonderBoard is not completely stiff. Any dirt or dust will make it harder for the Durock to adhere correctly. . HardieBoard is in between at 2.6 pounds sq ft or 39 pounds for a 3 x 5 foot sheet. By clicking Accept, you consent to the use of ALL the cookies. is never easy, as so many things to consider. shouldnt be too complicated, but if youre unfamiliar with the process, its always best to ask for help from a professional. The thinnest Durock board, the 1/4 inch, is also the lightest and easiest to work with. They are available in a variety of different thickness sizes, as different applications will require a different thickness. << /Type /Catalog How and Where to End Backsplash on an Open Wall. zxj}M6=?,}D9*_"A,CQ\ge>+*1Y>e0/,r 4Ac(.swfVWm*`/MO"6V,"l~~0$9U>'y6I ^|OA l; XQm*i63#9Z]N!'@G '`s L'xbA(Txz'xucc8!fizw[4=hHIU?lfF3s2=vNJ?O4=A Cement board is readily available and relatively inexpensive (about $10 for a 3 x 5-ft. sheet). Wonderboard (Custom Building Products): See update below WonderBoard Lite is not a waterproof barrier. The board can resist up to 3,000 psi of water pressure and is durable enough to withstand regular water exposure without sustaining significant damage over time. The different Durock boards offer additional benefits but also have certain drawbacks, so choosing the right one for your project is essential. %PDF-1.6 % Decks, floors, countertops, pools, and hot tubs are also made with it. While HardieBacker has a waterproof line named HardieBacker HydroDefense, most products . You could also choose to coat it with waterproof sealants if you prefer to work with Hardibacker but are concerned about the possibility of it absorbing moisture. Everything in the Wonderboard range is waterproof, while standard Hardibacker boards are water-resistant. Although I haven't installed Wonderboard Lite, I believe that it's a decent tile backer board. 1xUj * 0e( 6^4AUy4RlP_fF"~OYlukqE,~y#VS+a#=wqg(I 2{i}QVEK!F9m vh )qGjP@y4LO4 bv/X9-$8F0C@MwW'y86s*_!g80=wRXa4,ga>Cy4LO/A03v{8kd~P|LQ A:+v/bT~Y1Txz'xucc8aa^z~X6/E[YcswfVW +0. . Another important consideration is to make sure the WonderBoard is level. Is there a substitute for septic systems? or shower surround, Durock may be the more affordable option. WonderBoardxae Lite is not a waterproof barrier. and have many common characteristics, they certainly cannot be considered the same. Theyre also often used as soffit panels. The wet areas are mostly bathrooms, showers and tub surrounds, and the applications are usually tiling. Durock, WonderBoard, Permabase are registered trademarks owned by the respective entities. How to Install GoBoard Tile Backer Board | Video. Durock 35 ft board (1/2 inch thick): Cost around $10 per board (for bulk orders) Wonderboard Lite 35 ft board (0.44 inch thick): Cost around $10 per board (for bulk orders) Regarding price, they are both about the same cost. /Length 3367 >> WonderBoard is more focused on waterproofing, so it is generally a more reliable option for high-moisture areas. If the area behind the backerboard must be kept dry, use RedGard Waterproofing and Crack Prevention Membrane or Custom 9240 Waterproofing and Anti-Fracture Membrane Do not use drywall fiberglass tape for this product. Hardibacker boards are water-resistant, which is great for tiled areas that do not come into contact with heavy amounts of water, such as a kitchen floor or backsplash. They are made from a mixture of Portland cement and cellulose fibers, which give it a much lighter weight compared with traditional cement board that is made purely from cement. For example, if you're using WonderBoard Lite, which is 1/2 thick, you'll need about 4.5 pounds per square foot of mortar coverage. Ideal for both interior and exterior substrate applications. Support our channel if you find our content valuable https://square.link/u/VyzJUjCI In this short video you'll learn how to install half inch cement WonderBo. Tile and grout are not waterproof Cement board will not fall apart when exposed to water. Although it is sometimes used in wet areas for a variety of purposes, it is mainly used as backing for tile installations due to its water-resistant properties. -cutting, score the surface and cut the mesh reinforcement with a handheld carbide cutter and snap, or cut with a diamond blade. If you prefer a sheet membrane over a cement based product then Laticrete's hydro Ban Sheet membrane works well. For exterior uses, such as waterproofing a shower or steam room, the WonderBoard needs to be completely sealed. It is also easy to install, making it a popular choice for do-it-yourselfers. It is a cement-based backer board that is designed to be used as a substrate for tile installations, but it is not waterproof. >> But opting out of some of these cookies may affect your browsing experience. As a heavy and more solid type of sheet, Wonderboard can be a better foundation for large areas like kitchen floors. Me: well from what I've read, I think it is. Hardie Board is the best known brand of cement board siding, which is often called fiber cement. 1247 0 obj <>stream I can't sink screw heads into it without countersinking with a masonry bit first. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. If the area behind the backerboard must be kept dry, use RedGardxae Waterproofing and Crack Prevention Membrane or Customxae 9240 Waterproofing and Anti-Fracture Membrane Do not use drywall fiberglass tape for this product. While some other waterproofing systems are more expensive or require more maintenance, WonderBoards price and minimal upkeep make it a great value. However, WonderBoard only works with tiles that are smaller than 6-by-6 inches and is not designed to be used as a countertop material. They dont damage the walls as you carry them into the house and upstairs. No, WonderBoard is not a cement. However, in areas that dont get wet you dont need it. In all cases, its important to follow the instructions of the manufacturer for the best end results and maximum longevity of the WonderBoard. It is made of a. board that is then covered with a water-resistant surface. The capacity of a cement backer board to resist water appears to be an additional . GoBoard 1/2-3' x 5' Ultra-light Waterproof Tile Underlayment. In short, when wet, cement board is prone to all kinds of damage, which can be costly and time-consuming to repair. endobj . , the 1/4 inch, is also the lightest and easiest to work with. Cement board is a more rigid material that is perfect for larger tile installations. endobj I [] Save my name, email, and website in this browser for the next time I comment. When using 7/16" WonderBoard Lite, base should be a minimum of 5/8" thick. WonderBoard VS Durock: 5 Differences You Should Know. These cookies will be stored in your browser only with your consent. WonderBoard can also hold up under high temperatures, making it ideal for use in areas that experience a lot of heat. 4318 - (WE) Wonderboard Lite 3ft x 5ft x 1/2in *bidding per Sheet (Total 51) 4319 - (WE) Wonderboard Lite 3ft x 5ft x 1/2in *bidding per Sheet (Total 47) . Thinset mortar provides a better bond between the tiles and the backer board, increasing the overall stability of the installation. , meaning it will not crack or break easily. , while WonderBoard is not, making it the obvious choice for wet areas like showers and tub surrounds. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. You will need a hammer, screwdriver, utility knife, and a level. , whereas its installation can cost more than Durock if you need to hire a professional to assist you in this project. CUSTOMxaes RD lab has tested and found that a continuous single coat of RedGardxae is sufficient to waterproof WonderBoardxae Lite cement backerboard-covered walls for shower application in order to meet building code requirements. stream Another part seems to be that the new Wonderboard Lite is only 7/16ths" thick, as opposed to the 1/2" thickness of Wonderboard. Additionally, it has excellent fire-resistance capabilities and is available in a variety of sizes and shapes. Nada, I'd use tile! Yes, cement board can be used outside as long as it is properly installed and protected from the elements. Both of these types of backer board are a good choice for interior projects, but if you are working on an . Ardex 8+9 bites well to wonder board lite but bites better to WonderBoard lite that has first been taped and flat trowelled. Hang the cement boar. This is particularly important when working in a bathroom because you dont want chunks of cement breaking away from the backer board and scratching your bathtub or sink. Remember that WonderBoard is also generally heavier than Durock, so it may require additional support if used for large installations. James Hardie Technology Limited. To waterproof cement boards, a liquid or membrane waterproofing material is applied over its surface. First, make sure that you have the right tools for the job. What do I do if FedEx delivered someone elses package. You can use WonderBoard as a backer board for tile in wet areas such as showers, tub surrounds, and waterproofing systems since theyre specifically formulated to resist mold and mildew. /Parent 3 0 R Follow asked Dec 17, 2014 at 19:21. waterproofing; tub; Share. /I2 11 0 R . WonderBoard backerboards are also water-resistant, which is an important quality you are looking for when remodeling your bathroom. The cookie is used to store the user consent for the cookies in the category "Other. Fiber cement boards are commonly used to construct roofs, decks, and exterior walls, and are great for areas that experience heavy rains and other elements. If versatility is essential to you, especially in design, youll undoubtedly gravitate more towards Durock, as it is, WonderBoard, on the other hand, is generally lighter and. However, Durock is more suitable for areas with high humidity, as it is more water resistant. If you are working alone, then Hardibacker is going to be a great choice because it is lightweight, making it much easier to lift and maneuver and generally resulting in an easier project all around. WonderBoard is a cement board product made specifically for use as a substrate for tile and stone, and should be sealed prior to tiling or other applications. With the right installation and protection techniques, cement board can be safely and successfully used outside. It is a type of sheeting material that should be installed underneath all tiles in interior property construction that may come into contact with water. If you decide to go this route, no sealant will need to be applied on top of the backerboard, as this could trap moisture between the two layers of waterproofing. . Allow the sealer to dry completely before proceeding. Get 5 free searches. Over Vinyl . Cement board is strong, easy to install and comes in a variety of sizes for various applications. A WonderBoard Lite sheet of the same size and thickness costs around $18. Size. My husband is tiling our bathtub surround. The Custom Building Products WonderBoard Lite 5 ft. x 3 ft. x 7/16 in. . WonderBoard is also waterproof, but it's made with a porous core, so it can absorb water if it's not sealed correctly. Hardibacker is considered to be the easiest type of backer board to work with; however, it can require studs to be positioned in non-standard spacing in some applications, which may put off inexperienced users. 8 Eye-Catching Wall Colors that Go with Blue Carpet, 9 Wall Colors that Go with a Green Carpet, 9 Eye-Catching Fireplace Accent Wall Colors to Add Spark to Your Room. That is very unconventional. Contrary to popular thought, tile and grout are not waterproof, and some moisture will penetrate even if sealant is used. x 5-ft. and 3 x 5-ft. sheets of cement board are sized for efficient use around bathtubs and showers.The core isn't waterproof, but it can withstand getting wet without falling apart, so even if your . As drywall has some wood in its composition, it is susceptible to rotting if it comes into contact with water. WonderBoardxae Lite is not a waterproof barrier.If the area behind the backerboard must be kept dry, use RedGardxae Waterproofing and Crack Prevention Membrane or Customxae 9240 Waterproofing and Anti-Fracture Membrane Do not use drywall fiberglass tape for this product. Due to its weight, when installing Durock, you will probably require some help in carrying, cutting, shaping, and installing the boards, whereas WonderBoard is generally more beginner-friendly. Well, the very minimum would be to install a sheet of 4 mil plastic behind the cement backer board or Hardiebacker. It is heavier and harder to cut. , the WonderBoard cement backer board provides a flat, level surface resistant to fire, impact, and, Many people choose WonderBoard precisely because it is. This website uses cookies to improve your experience while you navigate through the website. Experiment with combinations of . It also stands up to wear and tear and damage better than other materials. of WonderBoard, which is also something to consider in your calculation. This will ensure an even and consistent seal between the WonderBoard and any adhesive material that may be used. A waterproof niche does not get filled with water. Use RedGard Waterproofing and Crack Prevention Membrane or Custom 9240 Waterproofing and Anti-Fracture Membrane if the area behind the backerboard needs to be kept dry. The 30-in. 48-in x 32-in x 1/2-in Kerdi-Board Polystyrene Foam Water Resistant Backer Board. Durock is also fire resistant and can be used in interior and exterior applications. Para la instalacin de azulejos de cermica y & Anti-Fractur por celana en instalaciones sumergidas, JAMO recomienda el mortero para la prevencin de grietas . In detail, HardieBacker is a 90% Portland cement, sand, and 10% cellulose fiber combination, along with proprietary additives to enhance performance. WonderBoard is a lightweight cementitious backerboard made of cement, aggregate, glass mesh and water. (One other category three-dimensional vapor-impermeable barriers is represented by a single product, Delta-Dry. This means that the WonderBoard should be treated with cement and a bonding agent, and the seams should be taped and sealed with an acrylic or epoxy-based joint sealant. When using cement board as part of a waterproofing system, it should be supplemented with other waterproofing materials such as a membrane or a sealant. /ProcSet 4 0 R It is thicker and denser than regular drywall, making it ideal for areas that need extra support, such as load-bearing walls. What are the differences between WonderBoard and Durock? Improve this question. Waterproof composition throughout entire board saves cost by eliminating the need to apply a . Cement board sheets typically come in ", " and even 5/8" thicknesses. It provides a strong and stable surface for tiling and other substrates.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-medrectangle-4','ezslot_3',156,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-medrectangle-4-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-medrectangle-4','ezslot_4',156,'0','1'])};__ez_fad_position('div-gpt-ad-remodelormove_com-medrectangle-4-0_1');.medrectangle-4-multi-156{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:250px;padding:0;text-align:center!important}. Durock is made from cement and fiberglass mesh. Additionally, it is also important to use a proper trowel to ensure the correct depth of the applied mortar. 17 0 R While it does provide some protection against water, it is not designed for this purpose. /Font << /I1 10 0 R Tile Backer Board. Both of these types of backer board are a good choice for interior projects, but if you are working on an outdoor area such as a ceramic tiled patio area, then Wonderboard is absolutely the best option. endobj Either way, both products are excellent choices for waterproofing your shower. If the installation involves large tiles, then cement board is the better choice. HB1506 11/19 HardieBacker Cement Board USG Durock Next Gen Cement Board Custom Building Prods WonderBoard Lite Backerboard National Gypsum PermaBase Cement Board Product Composition Portland cement, ground . This will provide a good, solid, and waterproof base for tiling. If the WonderBoard is not full level, the tile could crack or come loose over time. If versatility is essential to you, especially in design, youll undoubtedly gravitate more towards Durock, as it is available in many designs. , so choosing the right one for your project is essential. /Resources << If the area behind the backerboard must be kept dry, a moisture barrier or waterproof membrane such as RedGardxae Waterproofing and Crack Prevention Membrane must be used. : The cementitious core of Type C WonderBoard is reinforced with fiberglass mats. Although there are at least six categories of WRB asphalt felt, Grade D building paper, plastic housewrap, liquid-applied WRBs, rigid foam, and Zip System sheathing building codes calls for just one: asphalt felt. /Producer ( d o m p d f + C P D F) Pros and Cons of WonderBoard Lite. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Common places to use backer board are beneath tile floors in bathrooms and kitchens and behind wall tiles in shower cubicles or on kitchen splashbacks. 1x6kNP6 _h05Z e-86Rc* 0@_J!g kW-4NJrl Ultimately, the choice between WonderBoard and cement board will depend on the particular needs of the project. For example, if youre using WonderBoard Lite, which is 1/2 thick, youll need about 4.5 pounds per square foot of mortar coverage. WonderBoard is also safer for wet areas than HardieBacker. While they may seem pretty identical, it is essential to note some, They share many essential characteristics, but they also. WonderBoard is only approved for interior use, so if youre considering using either of these products for an exterior application, Durock would be the better option. Depending on the specific application it is being used for. Hiring professionals to help with the installation adds to the overall cost of WonderBoard, which is also something to consider in your calculation. But I think it could work. What about WonderBoard lite vs Durock or WonderBoard lite vs HardieBacker? WonderBoard is also waterproof, but its made with a. , so it can absorb water if its not sealed correctly. << 2 Ensure the subfloor is structurally sound and clear of debris. September 29, 2022 by jai. Its. endobj For a waterproof version of Hardibacker, opt for the Hardibacker HydroDefense board. View the full auction catalog for March Building Materials Online Only Auction on HiBid.com. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Both Hardibacker and Wonderboard cost a similar amount; however, if you are concerned about price and want to save every dollar that you can, then Wonderboard is typically a few dollars cheaper. The size of the board is also something to consider when choosing between WonderBoard and Durock. Furthermore, the edges of the boards should be sealed with cement-based grout to prevent seepage. Backer board also goes by the name of cement board. Where do you think the water will go if you install something that is "waterproof"? However, they can be challenging to cut and work with due to their thickness and design, so ensure you have the right tools before starting your project. As far as installation goes, both Durock and WonderBoard are pretty easy to work with. /ModDate (D:20230304073457+00'00') Do not use wallboard joint compound for this product. However, as the panels are only water-resistant, unlike WonderBoard, which is waterproof, it's inadvisable to use them in areas of heavy water exposure such as the bathroom or wetroom walls and floors. goes, both Durock and WonderBoard are pretty easy to work with. There are a few things to consider when it comes to WonderBoard thickness and density. In this guide, we will explain all their pros and cons. 65. Snaps more cleanly, a good thing because God-help-you if you have to trim it. However, depending on the type of project you are working on, along with your experience, there might be a specific board that will be better for you. This makes it an excellent choice for use in high-traffic areas or places where there is potential for things to fall on it. I used ivory/cream travertine dry stack. I like it. 3-ft x 5-ft x 1/2-in HardieBacker Fiber Cement Waterproof Backer Board. This can be done with a layer of paint or water-resistant sealant along with a coat of waterproof membrane such as asphalt or tar paper. It is a versatile product that can be used for a variety of installation projects, including floors. It just comes down to personal preference and the needs of your project. It's a good idea to choose the thinnest board possible if you . However, Durock is generally slightly more straightforward to install than WonderBoard. Model # KB121220812. Finally, WonderBoard is coated with a waterproof sealant before the tile is adhered . Wonderboard is suitable for use on both indoor and outdoor projects, while Hardibacker is purely for indoor projects. Another Cement Board Option: Wonderboard. Cement board is not waterproof. What is the difference between a deadbolt and a deadlock? if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-mobile-leaderboard-2','ezslot_27',167,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-mobile-leaderboard-2-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-mobile-leaderboard-2','ezslot_28',167,'0','1'])};__ez_fad_position('div-gpt-ad-remodelormove_com-mobile-leaderboard-2-0_1');.mobile-leaderboard-2-multi-167{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:250px;padding:0;text-align:center!important}It is an ideal material for wet areas such as bathrooms, basements and also for exterior siding. Food for thought there, but my real question is about the thickness . , carry, install, and work with especially if youre a beginner. . if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-medrectangle-3','ezslot_1',155,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-medrectangle-3-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-medrectangle-3','ezslot_2',155,'0','1'])};__ez_fad_position('div-gpt-ad-remodelormove_com-medrectangle-3-0_1');.medrectangle-3-multi-155{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:250px;padding:0;text-align:center!important}WonderBoard is specifically engineered to increase the strength and overall performance of a surface, making it perfect for wet area installations like showers and countertops. It absorbs moisture as well, but it has excellent drying properties. This cookie is set by GDPR Cookie Consent plugin. Concrete backer-board, once commonly referred to in the field by the brand name Wonderboard(r), is a cement product designed as a sheathing material for walls and floors. 3 0 obj When WonderBoard is installed properly the tile installation can last for years. When it comes to the structure, there are two main. The mesh reinforcement of Wonderboard does make it quite difficult to cut, and you may require special blades to deal with this. Either way, both products are excellent choices for waterproofing your shower. Installing a Durock board shouldnt be too complicated, but if youre unfamiliar with the process, its always best to ask for help from a professional. Enter a Melbet promo code and get a generous bonus, An Insight into Coupons and a Secret Bonus, Organic Hacks to Tweak Audio Recording for Videos Production, Bring Back Life to Your Graphic Images- Used Best Graphic Design Software, New Google Update and Future of Interstitial Ads. . For outdoor use, it is recommended that these boards are treated with a special coating to provide extra protection against water. The 1/2-inch Durock board is an excellent middle-ground option. Theyre also often used as soffit panels. . Having spent the day fooling with both of them, I have the following observations: Durock: Lighter. The cement mix that is the base for Wonderboard means that it is considerably heavier than Hardibacker, so you will benefit from having someone else on your team to help with lifting; otherwise, this could be difficult and awkward. If a USG Durock cement board is not properly treated, water can penetrate the board and cause damage. is an excellent middle-ground option. Wonderboard: - a true cement board with a mesh facing for integrity. qNoce? 3 Bp`VLO4!97Qhuq?3>Bf'{K'Yq2^N;5Y':hr5)?xk|sw{p%N\,?n/lw.n8GB9?.-/lJc*4Y{1?s%hDeD8W@V. The Hardibacker will be fine to tile straight onto. cement backer board is not waterproof,but water cant hurt it,even when soaked in water for months or even years Additionally, is Hardie panel waterproof? It can also dry out and be perfectly fine. This type of board is made from a combination of cement and fiber, making it highly resistant to water damage. This will fully encase the cement board and seal any remaining gaps between two boards or other surfaces. How To Change Door From Inswing To Outswing: A Step-By-Step Guide, How To Fill Large Gaps In Subfloor: 4 Easy Ways, Suntuf VS Tuftex: 4 Big Differences You Need To Know Now, Mapei Avalanche vs Mapei White: 6 Main Differences, How To Level A Concrete Floor That Slopes: Step-By-Step Guide. . WonderBoard Lite; Protects existing surfaces while giving a stable foundation for tiles. As moisture can penetrate through some types of tiles and grout over time or seep through any gaps in grout, drywall would be a poor choice of the surface underneath the tile because you would end up with a mold and rot problem that could cause health implications, as well as weaken the structural integrity of the room. The -inch and 1-inch Durock boards are the thickest and strongest options. The pros and cons of WonderBoard Lite. The Custom Building Products WonderBoard Lite 5 ft. x 3 ft. x 1/4 in. Backsplashes in kitchens will require backer boards with a thickness of a quarter-inch, while for flooring, you would need a backer board with a thickness of at least a half-inch over plywood subflooring. James Hardie. $2.86. Be sure to leave a 1/4-inch gap at the walls and a 1/8-inch gap between sheets. . WonderBoard Lite provides a stable, flat and level underlayment that . >> Bidding 4x the money 5266 - (ZZ) 3M Peroxide Cleaner Concentrated 0.5 Gal Durock offers a 15-year limited warranty, while WonderBoard provides a 30-year limited warranty. Theyre great for large projects or areas where you need extra support. , WonderBoard has only been designed for interior applications. Compared to HardieBoard, its substance is more akin to classic cement backerboards, making it a bit more robust and long-lasting. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'remodelormove_com-box-3','ezslot_6',173,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-box-3-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'remodelormove_com-box-3','ezslot_7',173,'0','1'])};__ez_fad_position('div-gpt-ad-remodelormove_com-box-3-0_1');.box-3-multi-173{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:50px;padding:0;text-align:center!important}No, WonderBoard Lite is not waterproof. Durock is also fire resistant and can be used in, Furthermore, durock is mold and mildew-resistant, making it a. . >> If the area behind the backerboard must be kept dry, use RedGardxae Waterproofing and Crack Prevention Membrane or Customxae 9240 Waterproofing and Anti-Fracture Membrane Do not use drywall fiberglass tape for this product. If the area behind the backerboard must be kept dry, use RedGard Waterproofing and Crack Prevention Membrane or Custom 9240 Waterproofing and Anti-Fracture . !Z@Z. Despite being water-resistant rather than waterproof, Hardibacker features a mold-blocking additive. Again, it is important to make sure that all seams and joints are fully sealed with the membrane. >> However, if youre working on a large project like a basement finishing system, WonderBoard may be more cost-effective in the long run. Wonderboard is used for tiling areas that generally have a lot of moisture. ~WonderBoard Lite . Furthermore, durock is mold and mildew-resistant, making it a great choice for damp or humid areas. Although this is a very minor price difference, it could soon add up if you had a large surface area to cover.