thinset for cement board to plywood1984 fender stratocaster value

cement board screws spaced every 4 in. I think you've misunderstood the question. Well.what exactly is MODIFIED thinset anyways? Regular Ceramic Tile, Properly Space Your Shelves and Wall Supports, How to Convert an Acrylic or Fiberglass Shower to Tile. Repeat this process, spreading mortar and laying the backer board one sheet at a time. Also, will this cause problems down the road, and should I continue pushing the issue? OSB is widely considered to be unsuitable as a tile substrate due to its tendency to swell and delaminate from moisture, but this is a bit different. Another reason youll need to work with cement backer board is that its never safe to install new tiles over existing tiles. Waterproofed cement board is an excellent backing for showers and bathtub surrounds. Towel Bar in SpotShield Brushed Nickel, Acoustic Armstrong CEILINGS Drop Ceiling Tiles, Woodgrain Millwork WG 1866 0.591 in. The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Roofing nails are ok for walls, but if memory serves me, not acceptable for floors. Ethical implications of using scraped e-mail addresses for survey. I mean, what kinds of thinsets are there? It sounds like the cement backer board was not attached properly to the subfloor using thin-set adhesive, screws, and fiberglass tape on the joints. I have a 1/2 bag of mortar thats about a year old Id like to get rid of. 1/2-in. Fasten the sheet with cement board screws, using a drill-driver, making sure the screws are flush with the surface of the sheet or are slightly recessed. Do the Huichol of Mexico tie rope around the father's testicles during birth? Heres how you can tackle it correctly: Although it's tempting to start tiling the floor, let the mortar fully set and dry first. In an attempt to break the bond, the failure was in the plywood not the adhesive. Remember to offset the joints between the cement board and any underlying plywood and to gap the cement board sheets by 1/4 inch. Why take the chance; thinset is easy to use and you will get the most rigid installation possible that way. x 5-1/4 in. Only mix as much thin-set as you can use in a half hour and be sure to have solid support under each tile. Proper installation would be to follow the manufacturers installation instructions for applying cement board to a subfloor. This site is protected by reCAPTCHA and the Google. National Gypsum said the same thing as CarpenterRN. It assures waterproof tile floors that will last for many years without cracking or other signs of damage. Industry job right after PhD: will it affect my chances for a postdoc in the future? What does the Ariane 5 rocket use to turn? This may be thick plastic sheeting or another type of water-resistant membrane. The Following User Says Thank You to Snobnd For This Useful Post: Leo, Contractor Talk - Professional Construction and Remodeling Forum. Plus you don't have to introduce any water. Over time the repeated flexing could crack the grout joints and even the tile. Smooth the mortar so it extends about 1 1/2 inches on each side of the joint. I have read suggestions of both modified and/or unmodified. The thinset is not necessary under the cement board and is mainly used to fill in voids of the subfloor. How do I remove Cement Board that has been screwed in and is bonded to wood subfloor with thinset? Get daily tips and tricks for making your best home. Drive the screws in so that the heads are slightly below the surface of the backer board sheet. I've always used cement screws to hold cement board to plywood; I think the manufacturers recommend them for floor installations. Mix fresh mortar only as it's needed to prevent it from drying before you can use it up. Emil, if your floor is flat and your tiles are flat you should be able to set the tiles with your 1/4x1/4" square notch just fine. Should You Install Cement Board on Concrete For Tile Installations? Set any proud nail- or screwheads. You can use it both for the board and the tile. Local store prices may vary from those displayed. You need near 100% contact between the hardibacker and the underlying plywood, or the hardibacker will flex and cause your tiles to pop or crack. i use modified thinset between my hardie and the subfloor all the time. This seems quite shady. tongue-and-groove plywood or OSB (oriented strand board). At Milford Ceramic Tile, we often run specials on backerboard and thinset, sign up for our mailing list to make sure you're taking advantage of these great deals!! Then spread thinset mortar with the flat side of a 1/4-in. Get home building tips, offers, and expert advice in your inbox. tongue-and-groove material, screw the underlayment down right through the vinyl with 1-1/4-in. They can't say it's worse & they should be there to make you as happy as they can. Rose, Expert insights on techniques and principles. If the product must be embedded in thinset mortar then what is the best mortar for this and can it be the exact same mortar Ill use to set the tiles? Installing cement board at the beginning of your remodeling project is crucial. Maybe overkill, but I always use a premium, modified latex thinset. Each board has about 50 screws in them and all seams are tapped and mudded. The cement board is then screwed into the plywood while the thin-set is fresh/wet. All rights reserved. If you did, there'd be a serious risk of rot, water damage, warping and mold. If you want to replace an old, cracked tile floor or other type of flooring with new ceramic tile, its absolutely imperative that you create a solid setting base for the new tile. Precut and fit all the cement board and then lift all of the cement boards out. 2000-2022 Home Depot. The point of mortar under the hardibacker is to ensure even bedding, and good support of the hardibacker. It's difficult to predict how much floor movement will occur with the information provided. If needed, cut the backer board to fit in small spaces or around obstructions. thick cement board instead of the usual 1/2-in. Mix up and apply a modified thinset to a large enough area of the plywood subfloor to cover each piece of backer board using a 1/4 x 1/4 notched trowel. Vinyl flooring glued over 1/4-in. They skipped putting down the thin set under the cement board even though the installation instruction specify that it is required. Also it spreads a lot easier than adhesive or mastic. 5. Thatll keep the floor thickness to a minimum. - M.K. Contractor not using thin set between sub floor and cement board. Whats a Bladeless Ceiling Fan and Does It Really Work? All Rights Reserved. Without it, there will be areas where the backer board does not quite rest firmly on the substrate below. If you follow all these steps, youll have a stiff, monolithic, crack-free floor. MAPEI recommends the use of MAPEI Porcelain Tile Mortar, MAPEI Large-Format Floor & Wall Tile Mortar or MAPEI Large Tile & Stone Mortar as thin-set under the cement board. The flooring guy called me and said that JamesHardie company tech support said that if he used screws instead of nails they could forego the thin set under the cement board. Use the flat side of your notched trowel to fill the joints between the backer board sheets. cement boards that some in sheets. That said, a mortar bond would generally be considered a higher-quality installation. These are stickier and a little more flexible than regular thinset with water. Ready to get the tools and materials you need? You want a wet mix under there anyhow, since the Hardi sheets are absorbent themselves, and represent a really big tile to bed in the thinset.The thinset under the Hardi is just to resist compressive loads, so even unmodified is okay under the Hardibacker. The bottoms of the joists rest on the concrete, if there is any deflection Id be surprised. If youre working over a wood subfloor, cement board is the right choice for your tile base. Spread a thin layer of mortar over the fiberglass tape with the flat side of your trowel or paint scraper. It only takes a minute to sign up. Prepare a solid, squeak-free subfloor One of the keys to a long-lasting tile installation is the underlying subfloor. It is for this reason that construction adhesive is even worse than nothing at all. Putting mortar on it causes it to flake. Medium Density Fiberboard Base Molding, Shop Picture Frame Horizontal Picture Frames. 4: The Drywall Guru Offers Expert Advice, Under-Cabinet Lighting Made Easy with EcoSmart Tape Lighting, Ask Danny | Ep. I disagree . It's definitely your house and job. 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. Most contractors dont use thinset just screws. If nothing else, I think thinset is about the cheapest adhesive for the board to the plywood. The corners and edges of the sheets should not touch one another. You cannot put tile on OSB because it is not rigid enough. The Home Depot delivers online orders when and where you need them. Announcing the Stacks Editor Beta release! drywall screws spaced every 4 in. but the floor will be much stronger (less chance of cracking a tile if something is dropped on it) if thinset and screws are used. -ME. Your contract apparently doesn't stipulate mortar in this case. Calculating length of curve based on data points? Our partners can help you compare quotes from top-rated professionals near you. Don't cheap-out; buy a quality thinset. The first step is proper planning and placement. plywood with 5/8-in. We are no longer supporting IE (Internet Explorer) as we strive to provide site experiences for browsers that support new web standards and security practices. Reputability and integrity are important when choosing a contractor for these reasons. The purpose of thinset under cbu is not to bond the boards to the floor, but to fill any gaps/depressions in the subfloor. I always thought mortar barely held to plywood of any kind so this kinda confuses me. YOu can buy modified thinset, ready to mix with water. Roofing nails are OK but certainly have a lot less holding power, and deck screws don't have big enough heads. It's just not a good idea to use. Standard screws and drywall joint tape will corrode or deteriorate from contact with cement board. Call Mapei tech support and get their input. So, I've made a big stink with the flooring guys about how they have installed the Hardiebacker cement board for our tile. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. Cement board is used for most floor tile and has all but replaced plywood and drywall backer materials for wall-tile applications in wet areas like showers and tub surrounds. @isherwood I agree but the only argument I have for them doing more work is the requirements specified by the manufacturer. It is important to install cement board in strict accordance to the cement board manufacturers written instructions. Your answer could be improved with additional supporting information. rev2022.8.1.42699. Once installed, the backer board will protect wood and plywood subfloors from water damage. 3: Answers on All Things Painting. Cement board can be used just as effectively on walls as it is on floors. However, many manufacturers including, both Durock and Hardiebacker not only recommend that you use thinset under their backerboard, but they specify it and will void the warranty on their product if it's not used. Lay the tile in thin-set Set the tiles using the same latex-modified thin-set and techniques used for the cement board. You'll get a strong bond, but the adhesive will not spread out and form a continuous bed under the backer board. Stagger the board placements a bit like bricks. You'll still need to screw it down with deck screws (1" or 1 1/4", and avoid the joists) or nail it down with roofing nails. particleboard underlayment. Remove the particleboard and screw the plywood to the floor joists with 1-5/8 in. Do I need to rip out and redo (uggh). MAPEI Primer T should be used to prime the cement board before the use of a pourable leveler. Apply a mound of mortar to the subfloor, then spread it out in an even layer, using a 1/4-inchnotched trowel. It has to be rock solid before you lay the 1/2-in. What is the gravitational force acting on a massless body? Your subfloor is OSB, so it's questionable whether a mortar bond is wise at all. My contractor replaced old soffits and fascia with fiber cement panels. Because plywood expands and contracts beneath the ceramic tile, grout and tile failure (loose tiles and cracked, crumbling grout) is just a matter of time. 2022 Todays Homeowner Media. Screwing the plywood down to the floor joists should take care of most squeaks. You don't want to use construction adhesive. Can I use that to set the boards? His extensive hands-on experience and understanding of the industry make him the go-to source for all things having to do with the home from advice on simple repairs, to complete remodels, to helping homeowners prepare their homes for extreme weather and seasons. Fully bonded mortar means your cement board won't flex. Consult the cement board manufacturer for recommendations on using a moisture barrier between the board and the wall studs. In my opinion, you'll probably be satisfied with the results if only screws are used. I thought it was a Star Wars spin-off at first. No matter what youre told at a home center, its not a good idea to install tile directly over plywood, especially in a damp area like a bathroom. Comparing Plywood and OSB as a Subfloor Material. The extra mortar will make it easier to embed the. If necessary, plan to start the first row of sheets with a partial sheet to create the offset. Lay the sheets so the joints in the backer board dont line up with the joints in the subfloor. Will dry-setting the cementboard result in creaks or other noise? We recommend our users to update the browser. I no longer use cement board for tile are use Detra! You can cut the cement board with a utility knife and a T-square. Cement board, commonly sold under trade names such as Durock, Hardiebacker, and WonderBoard, is now the standard underlayment used for ceramic, porcelain, or stone tile laid with thinset mortar adhesive. Complement genereted color schemes to my CSS/HTML. Here are the factors as I see them: Hardi apparently doesn't require mortar under its cement board if it's screwed down properly. Please, Plenty of things bond to OSB. Need Help? Start your subscription today and save up to 70%. Installing Cement Board on Walls and Countertops, The Right Way to to Install Cement Board Underlayment for Tile, Best Types of Tile Backer Board for the Shower, Subfloors and Underlayment for Ceramic Tile Floors, Step-by-Step Ceramic Wall Tile Installation, SnapStone Floating Floors vs. You have to remove the OSB and put down high-rigidity plywood, then a membrane then a cement backer board OR use a wood subfloor with a full mortar bed. 2022 The Taunton Press, Inc. All rights reserved. you are certainly right about that, best to cover your butt and follow specs, because when the time comes you don't want to start the explanation by saying " well I just figgered. However, the process will involve using an extra sheet of backer board. How to Clean Floors: Wood, Tile, Carpet and Everything Else, Pouring Concrete Patio: A First Timers Guide, Do Not Sell My Personal Information CA Residents. By clicking Accept All Cookies, you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts. I'll be putting porcelain chevron tile on top with heated floor wire elements. drywall screws spaced every 6 in. They said as long as I use modified mortar to install the tiles everything should be just fine. Bill. Get rid of the high ridges and sink the fasteners Check all plywood seams with a straightedge held perpendicular to the seams.

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