If you were to use conventional concrete i would say you should pour a minimun of 3 inches both for strength and to ease leveling. While you can install tile directly on concrete, problems erupt when the concrete cracks or shifts. How to install ceramic floor tile over linoleum hunker. Dont forget to seal the floor with pva before applying any tile adhesive and use a good quality adhesive for your tiles.
The thinset has better adhesive quality than regular concrete and that thin layer helps the new concrete knit with the existing slab. Id like to install a tile floor over the slab, but im worried that the tile will crack. Tiling over an uneven surface will give you lessthanstellar results, so level out any globs of dried grout with a sander and secure loose tiles with fresh tile adhesive before beginning the project. For more information, search the internet for removing asbestos tiles. If you only have chips and small holes to fix, the floor patch and leveler will. Premixed floor patch helps repair cracks and holes in concrete, vinyl and plywood floors before installing tile or other flooring. That old basement floor with the crumbling vinyl tile may look hopeless, but with a little scraping and a few. After the tile has been sanded, clean and remove all particles and dust before applying a floor leveler product to fill in grout lines and level the surface completely for the new tile application. If the holes are minor over concrete with expansion joints is shown below and linked here. Repairs holes and cracks fills minor dips and imperfections. Concrete subfloors are prepared differently than wood. How to install ceramic floor tile on concrete diy tips. Before you do all the extra work, discover how easy it is to lay tile on concrete. All of the movement in concrete is transferred to the tile.
Adhesive designed to be used on walls isnt always water resistant, unless it is designed for bathroom walls. Always tell them what you are sticking to and what you are sticking down. The safest way to approach questionable concrete is not to cover it over with cbus but to fix the concrete. It should take you the better part of a day to plan out the tiling.
The redgard uncoupling mat covers small cracks in the concrete slab, and eliminates the worry of installing over those expansion joints. If curling occurs and it often does, the concrete can be ground before it is tiled. Mar 22, 2016 hi, in looking at the wall, it does not look like its in bad shape. Remove any adhesive immediately from the top of the tile if it splatters. If you are going to tile over concrete or resurface the concrete with a concrete dressing or self leveling product, it is very important the concrete surface be properly prepared. How to prepare for laying tile over a concrete floor home guides. Flexible adhesive can also be used when tiling over a concrete floor if you wish. Jan 26, 2019 it is recommended to sand the floor using 80grit sandpaper. And the result is hardwearing and attractive flooring. Patch little cracks or holes with a cement patching compound.
Wanting to put porcelain tiles over it and live in midwest, so there are cold winters. Jun 28, 2019 how to apply ceramic tiles to concrete. With over 500 hundred free diy ideas, tips, howtos, suggestions, and video tutorials available to help you turn your home improvement plans into finished projects. Allow the compound to dry for 24 hours before starting on your tile. I will then pull my trowel across the floor trying to leave nice even tracks. If you were to remove a cracked tile from concrete. If you go too thin, the grout lines in the tile floor can ghost through the material. However, you can work around this problem by using one of two methods. Porcelain tile on concrete slab with hairline cracks, is this possible. Be sure to follow the manufacturers directions for the installation. How to prepare concrete for a tile installationlearning center.
That old basement floor with the crumbling vinyl tile may look hopeless, but with a little scraping and a few strips of crack isolation membrane you can turn it into a perfect base for new ceramic tile. Apr 09, 2015 make sure that you buy floor tile adhesive, as this will be waterresistant. This left me with a 2ft x 3ft hole in my tiled basement floor. Dec, 20 the thinset has better adhesive quality than regular concrete and that thin layer helps the new concrete knit with the existing slab. Securing loose ceramic or clay tiles before they break will save time and money down the road. The best way to repair a hole in a concrete slab before tiling over. The other factor to consider is the depth or thickness of the overlay. Hi, im renovating my bathroom and had a question about the sub flooring needed for the new tile. Once the concrete floor is paintfree, the tiling process. Use a trowel to apply and use the edge to ensure the patch has edges level with the surrounding concrete. Never lay tile over a damaged concrete floor without repairing it or your tiles may crack or lift.
Tiling over concrete cracks seems like it could be a risky choice. How long do i have to wait before tiling over fresh concrete. Technically it can be done but in practice it is avoided. Can you put a concrete floor over ceramic tile floor. Loose floor tiles occur if the original adhesive doesnt seal properly or if the grout is chipped or uneven, allowing moisture to get under the tile. It can be used over porous concrete to help reduce penetration of the adhesive and dusting of the concrete, which results in increased spread rates and stronger bond with floor covering adhesives. How to install tile over vinyl or linoleum flooring. Tile flooring can quickly give an old floor pizazz. We cut along the grout lines, so i just need to replace the tile and concrete. The answer is, technically, yes, although its not as simple as it sounds and will take a few adjustments before your flooring is ready to be converted to ceramic tile. Some floor tiles have a glossy finish from the glazing process, which can make them tricky to bond to. You most certainly can pour a new floor over your ceramic tile. It is important, both for appearance and for safety, that the finished tile surface is flat with no tiles standing higher than the others.
Concrete repair needed before tile install the floor pro. Sweep the concrete floor with a broom to remove any visible debris. Youll have to prime those areas and cover them with a peelandstick crack prevention mat also called antifracture or crack isolation membrane. After laying all the tile over the surface of the concrete slab, allow the tile to rest for 24 hours before finishing the tile. What is the best choice for patching and leveling concrete before tile install. You will need to either restore the concrete so it is close to its original condition or cover the stained concrete with a material such as cement board before tiling over it. Because sheet vinyl is one continuous piece, you will get a higher quality installation without the ceramic tile on top shifting. Placing overlays over tile floors the concrete network. All paint will need to be removed before you begin installing the tile. Here are four simple principles to help you prepare concrete for tile on floor installation. The 6 rs of tile repair old house journal magazine. A sound surface is necessary when preparing concrete floor for tile installation.
Durock brand advanced skim coat floor patch s a versatile calcium aluminate floor patch and skim coat for interior use over wood, concrete and gypsum subfloors and over most interior floors, including ceramic and quarry tile, terrazzo, wood, metal and interior concrete, as well as properly prepared residues of cutback and other nonwater. If you only have chips and small holes to fix, the floor patch and leveler will be a sufficient and cheaper. Nov 14, 2016 a concrete floor can often be unlevel, so before floor tile instillation it is often necessary to level the floor. What is the best choice for patching and leveling concrete before tile. How to fix unsightly tilework patches around plumbing fixtures. Also, should the concrete crack, the crack can be treated with an antifracture membrane before it is tiled.
How to use a floor leveling compound over ceramic tile hunker. Brand x picturesbrand x picturesgetty images when the old floor material is a still strong ceramic tile surface though, you can place the new covering over the tiles as long as you create a smooth surface beforehand. Premixed floor patch fpqt, gray helps repair cracks and holes in concrete, vinyl and plywood floors before installing tile or other flooring from the home depot custom building products simpleprep 1 qt. One or two say yes they can pour the tile over the existing tile, and others say no, the existing tile needs to be removed. With the proper tools, laying a tile floor is a manageable doityourself project if you want to save costs. Remove any loose concrete pieces from larger cracks before filling with concrete filler. Michael byrne, a veteran tile installer and consultant, and the moderator of jlcs. The temperature of the existing concrete must remain above 50 degrees for the first 24 to 48 hours after the patch is applied. In the thinset installation, a crack isolation membrane is bonded to the concrete. Installing tile over painted concrete adds a few extra steps to your tiling job. Crack isolation membrane the tile council of north america. On two corners across from each other, when i lay a tile down along those corners i notice the tile is not flat.
Should i use selfleveling concrete or mortar to level a patched area of concrete prior to tiling it. Skip this step and we guarantee your new tile will crack right over the cracks in the concrete. Think you need to install a layer of plywood or a cement board underlayment over your concrete floor before laying tile. It supports your decorative floor finish, whether its carpet, hardwood, vinyl, laminated wood or tile. Remember that concrete needs 28 days to cure before applying a floor covering or surface dressing over it. The floor patch helps fill minor dips and imperfections. How to install tile on a painted concrete floor ehow. Cracks and depressions may create weak spots that cause tile to crack in the future. Selfleveling compound can be purchased at your local home improvement store. Before you get started installing new tile on your floor, it is important to prepare the subfloor so that your project is durable and looks great. Use over concrete, plywood and vinyl prior to installing tile or other flooring. With a notched plastic spreader, apply type i ceramic tile adhesive from edge to edge over the patched. For a texture, pull a damp push broom over the concrete.
Wait at least 24 hours before walking on the patch and a week before driving on it. Use a thinset product to install ceramic tile over existing tiles. Apply the grout and wipe off the excess grout with a damp or wet sponge. Find out which precautions you should take before placing tile and find out how to prepare your concrete floor for laying tile. Watch our doityourself diy videos and follow our step by step guides to discover how to install tile the easy way. Newer latexmodified thinset can be applied right over the small amount that remains. Installing ceramic tile over different floor surfaces. Concrete subfloors are prepared differently than wood subfloors. Floor leveling compound ceramic tile do it right not over. Jan 28, 2015 eco dribloc is an extremely easytouse, roller applied product that offers easy clean up. The curved floor edge trim and facing were sitebuilt by the editor df. Installing ceramic tiles over concrete can help to create a more inviting indoor or outdoor living space.
Its a tough job, but the right tools will make it go faster. In this article, im going to show you how to install ceramic tiles on a concrete floor. Using a scraper and a wire brush or a tool such as a floor scraper or concrete grinder go over the. Here i level an uneven concrete floor using the levelquik rs 50 lb self leveling. Usually this is easy to achieve when tiling onto a flat and level surface, but if the substrate isnt flat various problems can arise. While laying tile is not an easy job, the entire process can. Answer answer generally speaking allowing the concrete to cure for 28 days allows it to achieve 90% cure and there is no significant shrinkage in the concrete after that in terms of installing ceramic tile over it. Preparation for installing floor tile depends on the type of subfloor in the room you are tiling. When installing tile over wooden subflooring, the bonding surface. How to prepare a subfloor for tile installation the home. How to lay tile over cracked concrete home guides sf gate. If it is cracked or damaged in any way, repair it before laying the tile. Cleaning and filling any cracks in the floor takes a little time, and the only.
I now wish to lay concrete board over the entile floor and then tile over the concrete board. Unfortunately, the tile cannot be adhered directly to the painted surface. Wed normally isolate the tiles from the existing cracked concrete with an unbonded full strength overlay or topping slab. The temperature of the existing concrete must remain above 50 degrees for the first 24 to 48 hours after the patch is. My concern is that since i have disturbed the vinyl flooring, have i caused a health hazard. Learn if you can install tile over concrete whether it be directly onto the. If the hole you repaired is in the middle of a floor that you are tiling over, install a crackisolation membrane over the entire floor before putting down the tile. When tiling over an existing, cracked concrete slab you run the risk of cracks appearing in the tiles above the crack in the concrete. Floor coverings need a solid base for installation. Epoxy application can epoxies be applied over tiles. These cracks may eventually show up in tile or dressing applied before the 28 day curing period. The general rule for concrete to cure before installing tile over it is wait 28 days to allow the concrete to cure and to finish shrinking. The main thing is find a tile distributor if you can and buy from them youll be sold the correct product. Cover tile floors with floor leveling compound to create a hard level surface before placing a new floor covering.
Push air bubbles out to the edge with a jroller or the edge of a grout float. As the final preparation before laying floor tiles, once you have any raises removed from concrete subfloors, you will now need to fill any holes. Dont forget to seal the floor with pva before applying any tile adhesive and use a good quality. I replaced a ceramic tile floor in the basement room of a house a few months back. Fix a loose ceramic floor tile before the tile breaks. We are wanting to tile over a concrete pad 26 years old and have stained and then painted over the years. I assume i need to add an inch of subfloor to replace the concrete.
Once the thin set is mixed, i then use my tile trowelthe notched side to spread the thin set over the dip in the floor. I removed the concrete and left the plywood because its in good condition. Do you need to seal concrete before tiling over it. With vinyl tile, the possibility of shifting is greater.
How to prepare a concrete floor for tiling tile mountain youtube. When going over the top of a tiled floor, the main concern is adhesion with epoxy onto the tile and tile onto concrete. In other words the tented tiles ran along a grout line that did not follow the crack in the concrete, but started where the crack started along the. The cooler the weather, the longer the curing time. A clean surface helps you see smaller cracks that might need repair. Dips and cracks in the subfloor can cause tile to tilt, settle or crack. Grouting after laying all the tile over the surface of the concrete slab, allow the tile to rest for 24 hours before finishing the tile. Using an acid based cleaner or deep cleaner of your choice, clean the. What is the best way to repair a hole in a concrete slab before tiling over. Oct 04, 2019 how to prepare concrete floor for ceramic tile. I have embossed vinyl tiles on my solid kitchen floor. Paint used on concrete will not bond with the tile adhesive. Before you mix up any compound always use the tools to see how deep the low spots are or how high the humps are.
This method of tiling depends on the condition of tiles which are already installed. Or does it have to be completely free of paint before tiling. Bal floor tile adhesive with bal apd primer would do the same thing. To install tile over vinyl, its best to have sheet vinyl flooring, not square tile or plank vinyl. A concrete floor is a good base for laying ceramic tiles, provided it is level and free of cracks or. Smooth your cement subfloor before laying tile to ensure that the tile has a flat, even bed on which to rest. Use filler to fill in any dips and apply a floor leveler for any humps in the floor. Tom meehan, a tile installer and owner of cape cod tileworks explains in this article that tiling over concrete cracks can actually be quite simple. The ceramic tile floors shown at left were installed atop of an existing ceramic tile floor lower right and over both concrete and solid core plywood the upper floor level. When installing tile over a concrete floor, make sure that the slab is level, properly cured, and free of any dirt, wax, or curing compounds.
Cracks in concrete immediately become cracks in the tile. Tile over concrete the tile council of north america. Oct 26, 2016 with over 500 hundred free diy ideas, tips, howtos, suggestions, and video tutorials available to help you turn your home improvement plans into finished projects. What that means is that, i would not cover this wall with plaster board or dry wall knowing that it could have b. Removing old vinyl tile and patching concrete cracks. Having trouble removing all of the paint layer on top of the stain. Diy howto guides learning how to tile floors, countertops, and walls is easy when you use our 4 simple steps. How to remove tile from a concrete floor family handyman. The florida home i just purchased has many cracks in the concrete slab, some of them 10 ft. I want to place ceramic tile over this and was told by a local store that i have to remove the existing vinyl before i. It may not be the easiest to install, but its not that hard either. One of the most frequently asked questions when it comes to tiling is can you tile over existing tiles. What is the best way to diy fix this wall before tiling.
Porcelain tile on concrete slab with hairline cracks, is this. Apply a layer of tile adhesive to the floor using a trowel. Is it possible just to use some concrete patch found in the tile aisle and some cement crack filler to address this before putting down a waterproofingcrack prevention membrane. Guide to using floor leveling compounds for setting tile. Once the concrete is stained, it should not be tiled because the thinset will not adhere properly. How to prepare a subfloor for tile installation the home depot.
If you use certain polymer modified adhesives you can maybe set tiles after 14 days of curing. How to install tile on level concrete subfloors custom. Before the tiles were pulled up, i saw that the ceramic tile was heaving up along a grout line which started where the concrete crack is, but ran off in a 45 degree angle from the concrete crack. Tile mountains resident expert craig phillips shares his expert tips on how to prepare a newly laid concrete floor with levelling compound. I also plan on getting some self leveling mortar to put down before the roll on membrane but after the crack fillerpatch correct order. What is the best choice for patching and leveling concrete. Then you should have a crack isolation membrane on it. If you dont have room for another layer of tile over an old tile floor, youll have to scrap off the old tile. A subfloor is the bottommost structural level of your floor. New concrete must cure a minimum of 28 days before either tiling or putting a dressing onto the new concrete. Before using the sealer, ensure that it is mixed thoroughly. You need to rely on the manufacturers data sheet recommendations for the thinset dry set mortar you are using to adhere to the concrete. In the mortar bed installation, the mortar bed is not bonded to the concrete rather it is isolated from cracks in the concrete by the cleavage membrane. Dealing with adhesive residue the flooring professionals.
Feb 06, 2012 if so, does the tile need to be roughed up or prepped in any way before pouring the concrete over the top. How long should concrete cure before installing tile. How to level a concrete floor before tile installation step. I will stay within the lines that we drew on the floor in tips 1 and 2. This wont matter if another hard flooring surface will be going over the self leveler, but the ghosting can ruin the appearance of the floor if the self leveler is going to be stained or. A concrete floor is a good base for laying ceramic tiles, provided it is level and free of cracks or abrasions. Repairing minor holes in a cement floor before laying tile. Ive asked a couple of tile concrete contractors installers and ive gotten conflicting answers. Well, i have poured the concrete, but i was not able to get the concrete perfectly level.
The best way to repair a hole in a concrete slab before. If you were to remove a cracked tile from concrete, undoubtedly you would see the same crack pattern below. Porcelain tile on concrete slab with hairline cracks, is. Once youve ascertained that the slab is dry and level as possible, your best solution to lay tile over concrete with expansion joints is shown below and linked here. If the tiles are glazed, the gloss will need to be removed by grinding to allow the epoxy to grab hold. Mar 22, 2012 before the tiles were pulled up, i saw that the ceramic tile was heaving up along a grout line which started where the concrete crack is, but ran off in a 45 degree angle from the concrete crack. Another and i think better way would be to use a self leveling concrete that can be aplied in a much thinner coat and if head room is a problem would. Unlike tile on cement board or wood, theres no underlayment or subfloor that. Tiling before the curling occurs can cause undesirable debonding of the tile and lippage between adjoining tiles.
1385 1173 12 958 1088 77 410 95 549 1046 738 213 1294 1084 489 515 1527 841 219 1531 1313 1499 851 1390 973 314 451 1354 576 972 1379 686 721 1215 441 633 184 1492 1482 1008 184 727 1303