When we purchased our square edge tiles the supplier said we should get a 1.5mm gap, we have a 2.5mm gap … Tiling a Fireplace Like a Pro, Our Top Tips For Using Tile Spacers Effectively, Rubi Tile Cutter: The Professional’s Companion since 1951. a 1/2” x 1/2”), the bed of thinset will be half of that measurement, or 1/4”, beneath a flat tile over a flat substrate. Pushing a tile into the bed of rounded ridges causes the ridge of thinset to spread out, from the bottom, with less possibility of trapping air. Mosaic porcelain tiles that measure one by one inch in size are often best for shower floors. The height of the ridges and the space between each ridge will be the size of the trowel (in this case 3/8”). Is a bigger gap better? It is easier to keep a standing ridge on a wall with smaller square-notched than with a larger U-notched. How to Fill in Gaps in Wooden Floors. What tile adhesive should I use for large porcelain tiles? Floor or wall tiles are typically installed with gaps between the tiles because the average tile may look quite similar to the next tile, but they are often not uniform in shape and size, and would not fit properly if installed without any gaps. [DLMURL="http://www.schluter.com/5372.aspx"]Wood Substrate - Over Unoccupied Space - Schluter-Systems[/DLMURL], Infact, just reading through Epoxy Pete's post, its bang on so I will save my breath. The simplest way to link floor tile and hardwood of different heights is with a transition strip. YES,CHEAPEST WAY DEFINATELY,IT MUST BE SCREWED AND GLUD AT 300 mm CENTRES ,PRIMED AS PREVIOUSLY STATED,WEDI BOARD IS A BETTER PRODUCT,BUT ITS ALL DOWN TO COST AGAIN, WEDI BOARD IS A BETTER PRODUCT,AVAILABLE IN A RANGE OF THICKNESSES,YOU CAN FIX IT WITH FLOOR ADHESIVE,AND BED IT UP OR DOWN TO THE REQUIRED HEIGHT,MAKING SURE NO VOIDS ARE LEFT BELOW THE BOARD WHEN FIXING IT, RECENTLY TILED AN ONIELS IRISH BAR 300 SQ MTRS ,THE FLOOR HAD TO RAISED BY 12MM TO ACCOMODATE 2 LEVELS FLOORING,WEDI BOARD WAS AN EXCELLENT FAST TRACK PRODUCT IN THIS SITUATION,ITS NOT A CHEAP PRODUCT BUT DOES THE JOB IT IS MADE TO DO,EASY TO CUT AND INSTALL,MAKE SURE ALL JOINTS ARE TAPED,AND LAY IT BRICK BOND FASHION, you can lay the matting yourself its so easy,a good blade in your stanley knife,and a floor layers trowel 1 to 2 mm notch should do fine,you dont have to be too accurate with the cutting around door casings etc, as long as its covered with the matting you should be fine, Which Tiles Are Best? Above and beyond using the proper method to get proper coverage for a successful installation, your personal preference will help determine which specific tile trowel you use for different types of installation. For floor tiles, 3 mm (0.12 inches) is the smallest gap. When installing wall and floor tiles, technicians place plastic spacers between each one to ensure the lines remain uniform.Tile spacers range in size from 1/16 inch to 1/2 inch. There is more to that requirement such as complete coverage beneath all four corners of the tile, but those are the basics. Current trends are moving towards leaving much smaller grout lines between tiles. I am using 18 inch square tiles with a 1/16 in grout lines because that is what the wife wanted. Do I need to allow for expansion at wall edge on this 10 year old concrete floor? Special types, such as slate or quarry tiles, often do not have edges uniform enough to look good with tight spacing. Check this by installing the tile as you normally would, then pulling the tile up and checking the back. Note that using the smallest grout possible will increase installation time. Attaching brick slips to painted plasterboard and other questions. And it’s very important. Checkout our sister-sites Tiling Tools | Tiling Courses | UK Tiling News, Reply to Required gap for 600x600 porcelain tiles and other questions in the UK Tiling Forum | Tile Advice Forum area at TilersForums.com. Learn the expert’s recipe to mix mortar like a pro]. These gaps are most commonly filled with grout, and as such, are often referred to as grout size, or grout lines. If one of the tiles is fairly flat with minimum warping (cupping), you may meet the proper coverage requirement using a 3/8” square-notched trowel. In supermarkets etc where they use marble etc these would be ground and honed after fixing. Larger size variations … Selecting the right width for grout lines on your tile project may seem unimportant compared to picking tile sizes, patterns and materials. Since the spaces between the ridges have the same size as the ridges themselves, this will split the height of the ridges in half. That’s just a fancy way of saying how ‘out of flat’ your tile is. Over the years, tile sizes have grown dramatically. Shower walls can be covered in glazed ceramic or porcelain. When you spread thinset with a U-notched trowel, it will leave half-round ridges on the substrate. Tile trowels come in many shapes and sizes, generally starting out from a 3/16″ v-notch up to the 1/2″ square notch.Finding the right trowel for the job is quite simple when you know that, generally speaking, the trowel size should match up to the tile size – the smaller the tile, the smaller the trowel; the larger the tile, the larger the trowel. Using a 1/2” x 1/2” square-notched trowel will leave 1/2” ridges of thinset on the substrate with 1/2” spaces between each ridge. Basically, there is not a standard trowel size for tile installation, since it depends on the size and type of tile you install. If, however, the other tile has quite a bit of cupping you may need to use a larger 1/2” square-notched tile trowel to get proper coverage. Cupping of the tile means the amount of variation from the plane. As the tiles increase in size a larger gap becomes acceptable. Without that joint, the tile won’t be able to adjust to minuscule movements in the subfloor and you’ll end up with breakage, lippage, or an uneven surface. All tile manufacturers offer a recommended trowel size. 1) The tile supplier said that the tiles look best 'without any joint' (I assume he means butting tiles together completely) as they just form a single expanse of marble look floor. Common practice is 2-3mm for wall tiles and 3-5mm for floor tiles. Bathroom Floor: 5sq/m meters of 12mm porcelain tile, tile size 200x200mm; Bathroom wall (also used as shower backing) 20sq/m of 8.5mm 250x400mm. For a small square tile is recommended to choose a spatula with prongs of 4 mm. Proper thinset mortar coverage means a minimum of 85% total coverage beneath a tile for a dry area installation (most floors, fireplace, etc.) If the tile is cupped, the opposite corner will not be face-to-face, it will spread apart. Normally the lugs will create grout lines that are 1/32 to 1/16 of an inch. Silly question I know but would having a stronger flex in a a bigger gap be better for the overall stability of an area? Caulk comes in seven or eight colors, not just clear and white. Tile longer than 15” tends to have slight variations to it that cause complications for successful installation in a brick joint pattern. Hi, I am going to be tiling a floor of around 38 m². If smaller spacers like 1/8" are used, it will accentuate the size difference of handmade tile. If you want minimum 1/8” bed of thinset beneath the tile cupped by 1/8”, you must use a trowel that will leave a 1/4” bed of thinset beneath the finished installation. But with bathroom tile installations, every detail is key.. Although they are the same dimension, each tile may require a different trowel size. For example; you have two different 24” x 24” tiles for two different floors. Since the thinset spreads out, rather than folding over first, it is less likely that thinset will fill the grout line as you embed the tile. A finished installation requires a minimum of 3/32” beneath the finished installation, aiming for a 1/8” minimum makes it easier to calculate the proper tile trowel size. U-notched trowels normally only have one number. For smaller tiles is advisable to use small spacers. I am not sure what size of gap would look/work best. The trowel’s tooth shape and spacing determines how much thinset is sandwiched between the tile and substrate once the tile is fully installed. Rectified tiles are perfectly uniform, with precisely defined edges, requiring the least amount of grout. There are two basic ways to determine which size of trowel to use: calculating the warpage (cupping) of the tile and substrate or visual inspection. You must add this amount to the minimum thinset amount you want beneath the tile in order to get proper coverage! A 3/8” x 3/8”’ trowel will leave a 3/16” bed of thinset beneath the tile. It's an old stone farmhouse and the bare stone walls are obviously very uneven (If you put a straight edge along the wall there would be gaps up to 8 cm). Although some people leave the spacers in place, The Tile Association has contrary advice. Actual finished grout spaces will vary from 1/8" to 1/4" if 3/16" spacers are used. Mosaic installations up to 2 inches … Home / What Size Trowel to Use for Tile What Size Trowel to Use for Tile Tile trowels come in many shapes and sizes, generally starting out from a 3/16″ v-notch up to the 1/2″ square notch . Those are common questions you must ask yourself before starting your installation project. The size and spacing of the trowel teeth are the basis to measure tile trowel size. For tiles with lugs on only two sides of each tile you must make sure they are all stacked in the same direction, that the lugs are not butted against each other. According to The Tile Association, the smallest gap you should allow between tiles is 2 mm (0.08 inches). U-notched vs. square-notched is a personal preference. A tile trowel with only one measurement (i.e. [RELATED: You think you know it all about tile installation? When you use a 1/4” x 3/8” square-notched trowel you will leave 1/4” wide by 3/8” high ridges of thinset on the substrate, with ¼” spaces between each ridge. The difference in trowel notch shapes determines how easily the tile becomes fully embedded in the bed of thinset. I am using a 3/8” U-notched trowel, which has a half-moon shaped notch. Most wood look floor tile requires a 1/8 or 3/16” grout joint. Laying porcelain tiles on a floor is a big job, but having the right tools makes it go much more smoothly. I've cut the tiles to (roughly) follow the unevenness of the stone walls and left a gap for expansion. First you must know how much thinset mortar you want beneath the tile in the finished installation. While the standard details this exactly, it is not uncommon for some manufacturers to ship tile with about 3/32" difference between the largest and smallest tiles in a box. That is the amount of cupping in the tile. Gap Size. When you use a square-notched trowel with the same size notch and teeth (i.e. Notice the 1/2” square notched bed on the left side has the most coverage with the 3/8” square notch in a close second. I am tiling my shower walls around the bathtub and have a question about the gap size between the bottom course of tile and the tub. I've recently finished tiling our floor with large porcelain tiles, 100 m2 total surface area. They are cream coloured and the grout is grey. Will thick DPM sheet act as a poor mans decoupling membrane? Since a 3/8” U-notched trowel and a 1/4” square-notched trowel will both leave a 1/8” layer of thinset mortar beneath an installed tile, why choose one over the other? Visual inspection is simply fully embedding the tile into the bed of thinset mortar, then removing it and looking at both the substrate and the back of the tile to determine whether you have proper coverage. Should I use a U-notched or a squared-notched trowel? Each type of tile may require a differently sized trowel. For vinyl that looks like black granite, I used black caulk. The less flat the tile is, the more thinset mortar you need beneath it, which means a larger trowel size. As a rule, the larger the tile the larger the trowel. Proper adhesive coverage means a minimum of 85% total coverage beneath a tile for a dry area placement (most floors, fireplace, etc.) Check the top tile installation mistakes you are probably making.]. Trowel notches should be the same size as the thickness of the tiles being set. JavaScript is disabled. They are measured in the same manner, the first number is the width of the notches (the distance between the teeth), the second number is the depth of the notch. 1. What size tile spacers should I use? The trowel size determines how much thinset to put on the substrate, as well as how thick the bed of thinset should be under the tile. Grout Lines for Floor Tiles. These strips can be finished to look like the floor or painted to stand out. I suggest these are fitted in a brick type overlapping pattern to allow for variance so the grout joints can be minimisied. Similar combs are used for floor tiles. There should no longer be any trowel lines and you will see complete coverage of thinset on both the back of the tile and the substrate. Consideration should also be given to the type of grout to be used. It is worth to buy spatulas with different teeth. They suggest you insert the spacers at right angles to the tile, to facilitate removal. You collapse rounded ridges rather than square ridges. If squeezing the tile in this manner produces a 1/4” space between the tiles in the opposite corner, it means the tile is cupped by 1/8”. and 95% minimum total coverage in a wet area (showers, bath surrounds, etc.). [RELATED: Are you mixing mortar the right way? There is more to that requirement such as complete coverage beneath all four corners of the tile, but those are the basics. All other cuts of tile, from tumbled to chiseled to punched, contain slight variations in shape and size… If one of the tiles is fairly flat with minimum warping (cupping), you may meet the proper coverage requirement using a 3/8” square-notched trowel. May 19, 2019 at 9:43 pm. Over the course of a year, your floorboards will shrink and expand because of fluctuations in temperature and humidity. Discuss Required gap for 600x600 porcelain tiles and other questions in the UK Tiling Forum | Tile Advice Forum area at TilersForums.com The large format 18 inch tiles should have ¼ inch space in between. When you fully embed the tile into the bed of thinset, it spreads out the thinset ridges evenly into the spaces between the trowel lines. Although they are the same dimension, each tile may require a different trowel size. Then, hold the trowel at a 45-degree angle to the floor pushing the teeth of the tool to the floor while dragging the trowel and making ridges of uniform height in one direction in the adhesive. Measure the amount of space between the faces of the tile on the opposite corner then divide that number in half. The tiles are 33.3m² and 7mm depth. 20 years ago, 8×8 floor tiles and 4×4 wall tiles were in fashion and the more common sizes, but now, the more common and fashionable sizes include 12×12, 18×18, 12×24, and even larger for floor tiles, and 8×10 and larger for wall tiles. These shifts often lead to gaps appearing in your wood floor.[v161475_b01]. I am covering my 10 year old basement floor (grey painted) with vinyl click tiles. You can also expect to find a couple of shades of gray, brown, and tan (or almond). Though some manufacturers have their own, non-standard sizes square tiles, the majority of tile manufacturers use the following size grades: 2”, 3”, 4”, 6”, 8”, 12”, 16”, 18” and 24”; and most tiles that are specifically made for flooring are found in the larger sizes, from 6” upwards. hairline crack, slight flex in 2 tiles - to foam or not to foam? Tile spacers allow you to achieve a consistent pattern when fixing wall/floor tiles and help to ensure that all tiles are laid equidistant from each other (providing a symmetrical finish - as you or your customer would expect) in order for the grout to then be applied. For example; you have two different 24” x 24” tiles for two different floors. Finished grout lines will vary from 1/16" to 3/16". ALTERNATIVELY COULD IF YOU WANTED TO, USE SCHLUTER DITRA MATTING OVER THE WHOLE FLOOR AREA,THIS IS ALSO ANOTHER EFFECTIVE WAY OF TILING ONTO SUBSTRATES THAT MIGHT BE SUBJECT MOVEMENT,EXPANSION,ITS QUITE EXPENSIVE BUT IS AN EXCELLENT PRODUCT! Be concerned with the amount of coverage for the tile. 1 to 2 mm is brave with these size tiles. If you are aiming for this size of gap, buy 2 mm (0.08 inch) spacers. Front path slab ( possibly has rising damp) - can I tile on it. Tip: Leave ⅝ inch to ¾ inch of space centered underneath the door for the bottom of the transition strip. Referred to by tilers as 'grout lines', the gap size you opt for depends on the type of tile you're using for your project, the type of substrate the tiles are being fixed to and personal preference. U-notched trowels make it easier to keep thinset out of the grout lines as you embed the tile. The square ridges, put down with a square-notched trowel, tend to collapse over on each side when you embed the tile into the bed. as 1/2” trowel) means that both measurements are the same. 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