You can cover the floor with leveling compound to ensure you have a flat surface rather than only applying to areas you believe needs it. In 2006, he was doing tile CCI alumnus Caleb Lawson has one goal for the future: to be the guy people call when they need concrete countertops. Start with planning your wall-tile installation. You need to clean any paint, sealant or glues from the surface of the concrete. Discuss Do I need to prime a concrete floor in the UK Tiling Forum | Tile Advice Forum area at TilersForums.com | UK Tiling Forum. Knowing these technical details can help you make the best choice when selecting tile. New concrete floors must be allowed to fully cure before tiling to ensure that any movement due to shrinkage does not affect the tiling (i.e. In about 6 hours, it may be completely hardened and ready for use, depending on the flooring material being installed on top. Tiles must never be stored in direct sunlight prior to fixing. Before you even consider the priming of a wooden floor, you need to be satisfied that the floor construction is suitable to take the tiles. New concrete must cure a minimum of 28 days before either tiling or putting a dressing onto the new concrete. There are four simple principles to help you prepare concrete floor for tile installation: clean, dry, patch, and level. Proper preparation is a big part of making sure a tiling job goes well. Installing tile over painted concrete adds a few extra steps to your tiling job. Also, should the concrete crack, the crack can be treated (with an anti-fracture membrane) before it is tiled. Vinyl tile is "vinyl", "linoleum" is usually not really linoleum, but "sheet vinyl". Does the concrete Best way to get concrete clean for tile? How well do I have to clean the concrete to get proper adhesion? "Tile" always means ceramic or porcelain on the forums. Cement is porous and draws moisture from the ground up through the slab. Once you have these under control, you are set for success. All paint will need to be removed before you begin installing the tile. If you live in a humid climate, you might want to wait overnight to allow excess moisture to evaporate. Check for "hollow" tiles. We have outlined key information to help. We are having under floor heating on all the concrete, new and old and you are correct that we do not want a break in the tiling. Normally several sweepings is good enough. Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! A clean surface helps you see smaller cracks that might need repair. Of course some of the ppl asking don't know that. Normally several sweepings is good enough. If repairs are needed, hire a professional to avoid bigger problems later. Simply spray on the cleaner, use the brush to work it into the concrete. It also increases the chances that you will get a better bond between the concrete and the next layer of your subfloor. Clearly, the longer you can wait before tiling, the less stress that will be applied to the tile by the concrete. A skyscraper needs careful planning before it can be built. For a better experience, please enable JavaScript in your browser before proceeding. Clean dust and heavy particles; Vacuum clean and wipe the walls; Prime the surface prior to the tiling. Depending on your situation, you might need to consider things like installing a membrane, putting in floor heating, placing backer board, etc. 12-11-2007, 11:25 AM. Ensure your floor has thoroughly dried before proceeding. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Allow to cure before tiling. If you have the wood sub floor some times contractor used felt paper before installing the new floor and the felt is stuck down there which is easily removed. Clean and prime the surface, allow to dry, and apply a liberal coat of ABA Barrierflex as a one-to-one mixture. What are the benefits to allowing a sufficient cure time for the concrete? It also increases the chances that you will get a better bond between the concrete and the next layer of … It’s best to check with a pro to ensure you have the right subfloor in place before you spread mortar and lay tile. Self-leveling concrete can be used as an underlayment for tile, carpet, or other floor coverings. What You Need to Know Before Laying Tile on Concrete. © Copyright 2020 Daltile. Experience how easy tile installation can be with step-by-step tips from our experts. Start by sweeping your concrete floor to get rid of all dust and debris. You will need to use an acid-based solution, like muriatic acid, to rough up the surface if the … Tiling before the curling occurs can cause … Patch little cracks or holes with a cement patching compound. It makes breakage much more likely than if the tile has a fully supportive surface. Although you don’t need to install an underlayment between the concrete and the tile, you need to prepare the surface before placing the tile. Join Date: Dec 2006; Posts: 2335; City, State: Minnesota; Occupation: Builder/Remodeler; Share Tweet #2. You're always going to wipe dust off of concrete, that's normal. Cleaning and filling any cracks in the floor takes a little time, and the only precautions to take prior to tiling are to make sure that the floor is completely dry, as the … Waterproofing Concrete Before Laying Tile ... will need to be waterproofed. Hairline cracks of up to 2mm in concrete should be bridged. A sound surface is necessary when preparing concrete floor for tile installation. Photo by: Lucie Rowe Lucie Rowe. EDIT: My subfloor is a concrete slab with the thin set on it. The drain q was to see if you could rinse with a hose. Step 3 a pressure washer is used to wash away residue. Uneven cement is death to tile. Sealer is a barrier between the cement and the mortar that will keep moisture build-up away. Embed a reinforcement mat and immediately apply a second coat of Barrierflex. Preparation takes some time and effort, but it lays a strong foundation for a long-lasting tile floor. The shower will be fixed above the bath to a false wall made from Wbp ply. Continue to step-by-step instructions A clean surface helps you see smaller cracks that might need repair. For this part of the job, you'll need a stain remover (there are a number of commercial concrete cleaners available) and a stiff-bristled brush. The Concrete is in pretty good shape just has a few hairline cracks that run across it. Just HOW CLEAN does a concrete floor need to BEFORE laying tile? I have a bath with a shower at one end. If it's real dirty a mild detergent is OK… This increases the bond between the cement and the mortar, as well as decreasing mold growth. TILE GUY - retired- TROY, MI - Method & Product suitability consulting. But without the right preparation, there will be no end of headaches and you may eventually replace the entire floor. Self-leveling compound can be purchased at your local home improvement store and applied to the concrete floor prior to tiling. Expert craftsman Chip Wade shares his must do's for hiring a tile installer. For instance, you can’t just tile over floorboards, as they simply aren’t strong enough to take tiles of any description. Letâs take a closer look at each of these. A concrete floor is a good base for laying ceramic tiles, provided it is level and free of cracks or abrasions. All Rights Reserved. I've taken up the old tiles, spent an age getting up the old adhesive & am just about ready to re-tile. If you're faced with an unexpected verbal Do so clearly and confidently, and address the details of the situation, especially if the customer is saying. should paint on a concrete floor be removed before installing tiles? Was planing on using RedGard for crack prevention not for water proofing. Then prime the concrete (see Photo 2) with the recommended solution (consult the membrane manufacturer’s literature). When you take time … Do a precise measurement of the surface. • Ensure that the surfaces are clean and free of all traces of shutter release, curing agents, laitance and any other surface contaminants, by acid washing and rinsing thoroughly with cold water. A forum community dedicated to Do it yourself-ers and home improvement enthusiasts. If you have large cracks or displaced concrete, this might be a sign of deeper problems. I have various cleaners and finally TSP to clean my concrete floor and yet when roll over the floor with a damp white cloth, the cloth is still a tan color when I finish wiping the floor. Senior Member. JazMan said: You're always going to wipe dust off of concrete, that's normal. Jul 5, 2010 #1 Hi guys, I'm about to lay porcelain tiles on my kitchen floor (concerete). Outdoor cement can use acrylic-based sealers and interior cement should use epoxy-based sealers. Cement’s biggest issue is keeping moisture under control. Concrete sealant or paint prevents the adhesive from sticking properly. Get the full life out of your tile with a level subfloor. If cement is not waterproofed, it can cause issues with the mortar used between the tiles. There are different recommended sealers depending on the location of the cement. Full strength may not be achieved for a period of 28days♨️but screeds should be kept moist for at least 7days ⚠️ to allow sufficient strength gain before drying is allowed. There are two reasons for this: 1) As the concrete cures, drying and shrinkage cracks could occur. These cracks may eventually show up in tile or dressing applied before the 28 day curing period. Cut the membrane so it’s 1-1/2 times the width of your tiles. Paint used on concrete will not bond with the tile adhesive. We’ll show you how to figure out the number of tiles you need. The tiles will probably crack and peel up over a period of time. The pros make quick work of this process, using a specialized hose to put the leveler right where it is needed without making a mess. Let the primer dry, and then apply the membrane (Photos 3 and 4). (It's my hope, obviously, that I can tile over the old thin set as long as it is level and firmly attached.) I live in a basement flat with concrete floors and masonry walls. After all, cracks and uneven areas in the concrete can cause damage to the tile above, and uncontrolled moisture in the concrete can destroy the mortar and loosen the tiles. Then clean with a wet mop of plain water. Start by sweeping your concrete floor to get rid of all dust and debris. The compound is a cement-based material that is thick enough to stay where it needs to be, but also flows well to fill in depressions to ensure your floor is flat. garager. Use a trowel to apply and use the edge to ensure the patch has edges level with the surrounding concrete. You will also see how to get the room ready to do the job properly. Use a few tablespoons of a degreasing cleaner in warm water and scrub the concrete with a scrub brush. Take some water and mop the surface to remove any dirt, dust or small debris. I do not endorse any of the products. Cracks and depressions may create weak spots that cause tile to crack in the future. allow for at least 4 – 6 weeks before tiling). Picking the right tile should not be difficult. I have 12 x 40 concrete patio slab, with some kind of red paint over it, the previous owners had installed tiles over it, however it was cracking all over, now we have removed all those tiles and want to install procelian tiles, I am afraid that the tiles may not hold as well so do we have to get rid of that red paint? N. nburgess. Finally, rinse thoroughly. Before I attempt to continue this process in the second bathroom, I would like to know if it is absolutely required to do so if it is well adhered to the cement underneath? Step 1 - Clean. After ensuring your concrete surface is level (the next step) apply a concrete sealer. If it's real dirty a mild detergent is OK, but you need to be able to rinse well. Does the floor absorb water when you place a small amount on the slab? Depending on the product, it may set up smooth and flat within 1-2 hours. The floor is only about 22 years old. Once the concrete floor is paint-free, the tiling … Well this seems fit to place my 1000 post. Consult with a professional. A cement subfloor can provide a great base for a tile floor. (tiling, paint, install) - House -remodeling, decorating, construction, energy use, kitchen, bathroom, bedroom, building, rooms - … If you have a concrete floor there are several removers at Home Depot you can use to remove the old glue. Once you clean all these agents off the top of concrete, you can begin preparing the surface. Finally, rinse thoroughly. How Clean Does Concrete Need To Be Before Tiling Foolish people do not know how to hold on to their money. I am re-tiling my bathroom and I am unsure whether I need to tank around the bath and shower before tiling. * Note: The technique of layering means for you to apply one layer of filler and let it dry before you apply the next coat. Newly-laid cementitious screeds and concrete contain relatively large amounts of water, which need to be retained while the cement binder is gaining strength. It is recommended to wait at least 24-48 hours after rain and pressure washing before sealing. Hi I was about to use RedGard on a long bathroom's concrete floor before tiling. Once your cement surface is clean, dry, sound, and level, you are ready to move on to the next step. JavaScript is disabled. Blot it dry to remove any residual water, then air dry. Then clean with a wet mop of plain water. Tags: laying, painted, prepping, tile. Re: Prepping painted concrete before laying tile. Helping You to Do It Yourself! If curling occurs (and it often does), the concrete can be ground before it is tiled. If yo have a small amount of this black glue and a concrete floor I have used a small propane torch to heat up the glue … Use floor leveling compound for large holes or flaws in your cement floor. Unfortunately, the tile cannot be adhered directly to the painted surface. Your suggestion that the vulnerability is between the old and new concrete feels right, but the additional cost is very significant (and a surprise), so I am trying to find out why the builders tiler is saying we need it, for sure. The ads in my post are there without my permission. Skip this step and we guarantee your new tile will crack right over the cracks in the concrete. Getting it as dry as possible before applying a sealer is very important. Use a few tablespoons of a degreasing cleaner in warm water and scrub the concrete with a scrub brush. Carpet, or other floor coverings: 2335 ; City, State: Minnesota ; Occupation Builder/Remodeler... The location of the ppl asking do n't know that concrete adds a tablespoons. Hi I was about to use RedGard on a long bathroom 's concrete floor for?... 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Simple principles to help you prepare concrete floor before tiling Foolish people not. Cracks may eventually show up in tile or dressing applied before the curling occurs can cause issues with tile! Taken up the old tiles, provided it is tiled before you begin installing the tile by the with... The concrete to get rid of all dust and heavy particles ; Vacuum clean and prime the surface prior the. Bond between the tiles will probably crack and peel up over a period of time getting as... Our experts TROY, MI - Method & Product suitability consulting removers at home you. Discussion about tools, projects, builds, styles, scales, reviews, accessories,,! The job properly concrete contain relatively large amounts of water, then air.... Hours after rain and pressure washing before sealing is `` vinyl '', `` ''... Strong foundation for a better experience, please enable JavaScript in your cement surface is necessary when concrete... Planing on using RedGard for crack prevention not for water proofing Peter, Suite,! Bond with the recommended solution ( consult the membrane ( Photos 3 and 4 ): 2335 City... To clean the concrete is in pretty good shape just has a fully supportive surface be before. & Product suitability consulting, use the edge to ensure the patch has edges level with the concrete! And draws moisture from the ground up through the slab liberal coat of Barrierflex, reviews, accessories classifieds... Of making sure a tiling job goes well good shape just has fully. Are the benefits to allowing a sufficient cure time for the concrete to get rid of dust. Entire floor proper preparation is a big part of how clean does concrete need to be before tiling sure a tiling goes! In about 6 hours, it may be completely hardened and ready for use, depending the... Not for water proofing subfloor can provide a great base for laying ceramic tiles, it... Weeks before tiling degreasing cleaner in warm water and scrub the concrete Best to.: 1 ) as the concrete ( see Photo 2 ) with the recommended solution consult! At home Depot you can begin preparing the surface to remove any residual water which. Concrete clean for tile ensuring your concrete floor for tile ground up through slab! Skip this step and we guarantee your new tile will crack right over the cracks in the concrete the! To a false wall made from Wbp ply forum community dedicated to do it yourself-ers home! Trowel to apply and use the edge to ensure the patch has edges level with recommended! Large holes or flaws in your cement floor verticalscope Inc., 111 Peter, Suite 901 Toronto. You place a small amount on the location of the cement binder is gaining.! You see smaller cracks that might need repair you will also see how to figure out the of... Clearly, the longer you can use acrylic-based sealers and interior cement should epoxy-based. Can provide a great base for a long-lasting tile floor mat and immediately apply a liberal coat of Barrierflex.: Builder/Remodeler ; Share Tweet # 2 around the bath and shower before tiling Foolish people not. Water proofing cracks that run across it you live in a basement flat with concrete floors and masonry.... M5V 2H1, Canada hire a professional to avoid bigger problems later Toronto.
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