above the tub. To leave a 1/4" gap between the tub and the edge of tile nearest backerboard meant that the front face, the finished face of the tile, protruded far enough away from the wall that the gap between the front edge and the tub was 3/8" to 1/2". Frankie, a decade ago, in reply to someone asking how to caulk a wide gap, you (and another poster) mentioned small "tile bead/trim pieces" that could be used instead of caulking or grout. Or is it on a different (further back) plane than the tub edge/ side? © Copyright 2020 Hearst Communications, Inc. I am still wondering how you got to this point. Some homeowners prefer a full tile up against the tub and a cut against the doorway, while others will have full tile in the door and a cut up against the tub. Divide the dimension in half and make a mark there. I show the tape a bit arched, like a half-circle, although that may be somewhat difficult to make. Although some say you should have weep holes along this gap so any water behind can weep out into the tub. Hammer the board down with nails every 4 to 6 inches across the surface of the board. I can confidently say that I expect to be a life-long subscriber." When applying this I use the same procedure except instead of having a roll of paper towels I have a damp sponge to clean my striking finger. How to Tile a Tub Surround 1. Grout Lines for Floor Tiles. Did you replace the tub after the tiling was complete? And forcing all that distortion on a small 1/16" gap is too much for me. You should not try to use caulk like a piece of trim. Lay down a pencil line along the edge of the square perpendicular to your first line. Now I have a 1.5" gap between the tub and floor tile. However you must be careful of how far IN you tuck the foam rod. We compiled this list of our favorite tools and gear to help you find great things to get for the handy people in your life. View Quote. I just finished tiling a small (5x8) bathroom in black slate. What is Backer Board? Acrylic latex caulk … So, I put a pre-manufactured tape-like product on and my wife and I don’t like the looks of it. Is it? Gaps exist everywhere, like the gap between the dishwasher and countertop or between the tub and floor tile. Hold the float at a roughly 45-degree angle as you press down and work diagonally against the joints. Fill the gap between the tile and the tub with caulk. Score the surface along your pencil line with a utility knife. I have tried things like putty but it is not really holding, I want something that will last and obvisouly water sustainable. Things were going so well I think I had in my mind that any … Snap the board in two. Start your subscription today and save up to 52%. Gap between tile wall and bathtub HELP PLZ!!! Install the board. You will need a substrate for the trim to be adhered to. The only real difference for installing floor tile next to a tub is deciding the layout in advance. Large Gap Between Tub & Tile Floor. When tile on a wall meets a counter top or tub, this most critical juncture must not be a ‘butt’ joint. Not sure if I can find a match for the tile, and Id rather not redo the floor. Anything quick and easy? The size of the gap will dictate the type of filler (sanded grout, non-sanded, grout-type caulk, etc). "I figured that if I should also leave that much gap between the tub and any point on the tile, which I did. I have a gap of about 1/4" between my new quartz backsplash and ceramic tiles on the wall. Note that the tape is narrower and thinner than the gap and is centered in it. Measure back from the longest wall the same distance as your initial marks. His has been published online through GTV Magazine, Home Anatomy, TravBuddy, MMO Hub, Killer Guides and the Delegate2 group. The foam backer rod seems to be the only option. Tim Anderson has been freelance writing since 2007. don't leave room to tuck backer rod in where it is needed. © 2020 The Taunton Press, Inc. All rights reserved. Let the grout dry for 24 hours. When you’ve completed tiling above the board and the tiles are held firmly, remove the board and cut the first row of tile to fit. Then apply a generous amount of thin-set to the bottom bathtub tile and position it 1/8 in. An expansion gap of sorts is needed at any location where a tile field contacts a dissimlar material, or a change in plane. Also, silicone has a offensive reflective surface that contrasts with the grout IMO. Use the grout float to spread the grout along the lengths of the joints and fill them completely. Similar to the gap that can exist between your wall tile and tub, you may have a space between the floor and your bathtub. Use tape on the tile and tub to limit the mess. But I've been unable to find any source for such small pieces. By moving away from the wall, the gap increased when the lip disappeared. Large Gap Between Tub And Tile 1 2 How To Caulk Doityourself. rnd tiles. I have seen silicone rubber (even with fungicide) get a black fungus that digs deep in the silicone. Press the board into the mortar. Then install the wall tile (3×6 subway) leaving a gap of 1/8″ (grout line width) and caulking. When questioned it was explained the tub was not level. You may then have a little quick touch up, but this will save you trying to clean the smear-out on the surface, which usually contributes to messing up the seam in the process. Where my tub meets my tile floor the tub edge is unsupported. You will be much happier with the results. Plus, a 1/16″ gap allows the caulk to properly fill the space and waterproof the transition between the tile and tub or shower. Place the caulk, and quickly strike it smooth, COMPLETELY down to the tape (NO CLIFF AT THE TAPE), and quickly remove the tape. ". There should be a 1/4" to 3/8" wide notch, with depth a bit more than the width -- this would be perfect for caulking with backer. The Tile Council of North America recommends at least a quarter-inch gap between the tile floor and the walls. The bigger the gap, the more silicone there is available to distort. Place a pencil line on the floor, on top of your existing chalk line so you have a mini-crosshair. Look into small pieces of cove or qtr. Actually, I prefer some stuff called Polyseamseal All-Purpose Adhesive Caulk, water clean up, made by OSI. In this case, the gap will tell you … wall to wall-inside corner, wall to tub about 1/8". The two responses above sum it up quite well. Please tell. Does this gap seem too big to seal with silicone caulk dispensed from a caulking gun? Main thing: caulk thick at substrates, thin in middle. Apply the caulk over the filled joint and strike smooth. So if your tile is 1/4" thick, say, then the caulk should thin to 1/8" or less in the middle and then thicken out to 1/4" at the tub. Apply even coverage and spread the thin set all the way up to your chalk lines. It can be purchased from http://www.hodesco.com and the item code is 80515. No problem. It's stupid!! Apply it to the wall with the bottom edge about 1/4 in. This gap may widen over time as your home shifts. We have this flooring in other areas of our house and I have found that it has a lot of movement between the summer and winter seasons. When you are all ready to caulk this joint (closed cell filler in place, clean, etc) I suggest you tape the limits of the caulking seam you plan to make with blue tape. I'm terrified of caulking, especially since the space varies from nothing to 1/4 inch, so this seems like an attractive option. You can then caulk between it and the tub as customary. Need advice on 1in gap between waterproofing a tub for tile gap between tub and floor ceramic large gap between tub and tile 1 2 gap between tub and floor ceramic bathtub trim sheldontimes. Place them between the tiles are you lay each one and grout straight over the top. Squeeze the tube to push grout out of the tip and fill the joint along the tub and tile edge. Mark the opposite, perpendicular wall in a similar fashion to give you the second control joint. Now, you have a real TLC job. That was my understanding until someone at a home improvement store told me to grout up to the walls and tub because ceramic tile doesn't expand or contract. Deliberately leaving a 1/8 gap (or other gap) is essential. I recently remodeled my bathroom and after I had already installed the ceramic tile onto the backerboard, I realized that the gap between the tile and tub is between 3/8″ and 1/2″. above the lip of the tub. Caulk the installation. The most common solution to gaps in an existing installation is caulk. I was told to leave a 1/4 inch space between tile and walls/tub. To tile around a tub or shower, start by measuring the height of the back wall from the lip of the tub to the top of the area to be tiled. Your gap is probably not deep enough for it. Spend some time honing the end of the tube with sandpaper. Make additional square grids by snapping parallel lines every 2 feet with your first two “control” lines to give you a grid pattern to guide the installation. Cement backer board is used as a sub-surface for tiling, … Keep a 1/4-inch joint around the perimeter against the wall and a 1/8-inch joint up against the tub. If it's the first scenario the tub was set level and the tile man started the tile a little high, because the lip on the tub is no more than a 1/2". Use a 1/8-inch, notched trowel to spread thin set mortar on the … "I have learned so much thanks to the searchable articles on the FHB website. When you install ceramic tile on the floor, you must take care to create an expansion joint between the walls and the tiled floor. Never fill this gap with grout, because tile grout is not flexible. Mark the Layout Lines Webb Chappell. space between the tub and the tile to allow installation of a flexible bead of caulk. I would recommend using 100% silicone. The tile is 8" by 12" and is thicker than smaller tiles. Pull excess off the face with the float held at a 90-degree angle. Leave the joint along the tub empty. Check if you need to adjust this mark to avoid laying slivers of tile at the top and … These can be left in place and will not be seen when you have completed your tiling. 1/4 is not a wide gap. Is the gap the same on all three sides? There is barely a gap between the floor and tub, maybe 1/32" to 1/16" at the most. Use a 1/8-inch, notched trowel to spread thin set mortar on the floor. Wash the surface of the tile after 30 minutes with a damp sponge and clean water from a bucket. As you can see from the other answers there are a number of choices here depending on your circumstances. Place the 1/16″ horseshoe shim on tub and measure up to the laser level. It’s not something you should put up with, though. By your own admission the bathroom is tiny. Oh, also get the joint REALLY clean - scrub it out with acetone or brake cleaner -- remove the grease, oils, soap residue, etc. The backer board should be held shy of the tub. There is your error. No matter how good a job you do caulking that gap, it will never look quite right. Let the installation dry 24 hours. You should be trying for a compression fit between the tub/ lip upper edge and the under/ bottom edge of the backerboard. By keeping the back board high, there is LESS (not zero) oppertunity for the water to wick up behind the tiles. Dampen the face of the tile and tub along the joint that runs the length of the face with a damp sponge. I was afraid to try putting conventional silicone caulk in such a wide gap because I figured I couldn’t get it done neatly enough. Or is the tile flush at the outside ends and gradually gaps to the corners and along the back wall? The tile is 8" by 12" and is thicker than smaller tiles. That's not caulk...., it's carpenter in a tube! This requires solvent to clean/ smooth it rather than water, but I find it's worth the effort because I get a better, longer lasting result. I am unsure how to seal the tub to this, normally I would just use some caulking, but I am afraid that the floor will move … If you consider the thin tile approach to filling this extra space, just remember not to pack it in too tightly. Wasn't the first course (lowest course) of tile laid first? How to Tile a Bathroom With Cementboard Walls, How to Lay Marble Wall Tiles on Cement Board, How to Install Accent Wall Tiles Around the Border of a Bathroom, How to Lay Porcelain Tile Over a Concrete Floor, How to Install a Cement Backer Board Over a Plywood Subfloor in the Bathroom. The D.I.Y video How To Seal A Big Gap Between Tile Floor And Tile Wall In A Bathroom Or Shower. Leaving a 1/16″ gap between the tub and tile will prevent the tile from cracking when the tub expands. silicone). Next, just do, say one end, maybe 32 inches. Between floor and wall or other abutting dissimilar material, 1/4". If he's right, please tell me … Measure for your concrete board with the tape measure. View Full Version : Gap between floor tile and tub. However, you may have a problem with normal backer rod. A tile shop would have the "tile bead", but the thinnest you'll find is 1/2 to 3/4". Use adhesive foam tape (like weatherstripping) instead, as shown in attached sketch. Leave 1/4-inch gaps along all walls, to be covered later with baseboard. For pure silicone caulks, I  dip my finger in acetone or lacqure thinner and strike the joint. The ideal filler should be silicone or polyurethane based. 01-14-2009, 10:14 AM. To leave a 1/4" gap between the tub and the edge of tile nearest backerboard meant that the front face, the finished face of the tile, protruded far enough away from the wall that the gap between the front edge and the tub was 3/8" to 1/2". Dry lay some tiles in a row with grout joints between them. Mark the pieces you need to cut with the pencil and tape measure. The words from the old song are a good motto for caulk:  Got to have....room.....to....move! The tub itself is set in foam but the outside edge does not rest directly on the floor since I installed the tile after the tub was in. The tiles the should extend BEYOND the edge of the backer board and almost touch the tub. mattx13. Buy both sizes, 1/2 and 3/8 inch, and force fit it into the joint to within 1/4 inch of the surface. Tile fill-in is no longer an option since there is nothing there for the tile trim to be secured to. Caulk is flexible ands allows some expansion to occur, whereas grout will crack and fail over time. Keep a lot of clean wipe rags nearby and do not carry an excessive amount on your finger before cleaning it off. I'd go with an 1/8" gap. It does seem like yours lasted a long time! The contractor has advised that this is normal and he has done this before. Ideally, the gap between the tub and the first row of tile should not be grouted, it should be caulked. 3/8 to 1/2 inch is a little large but since that is what you have, you must deal with it, unless you are going to tareout and retile the whole tub surround. The gap is easily filled with the tile wall grout, and it looks great once complete. I would have thought the tub should have been leveled or advised of the problem before not after questioning the contractor. Grout is inflexible, and almost guaranteed to crack eventuall. (These cleaners are nice because they evaporate quickly.). I'm just looking for options, (Please dont suggest to retile, as that is not an option for now) Screw a straight board to the level line and stack tile on the board. Where the tile ends there is a gap from about 1 to 2 inches, it should meet the tub but doesn't. This was done on purpose so ditra would get above the gap but it’s not quite enough. Leave a 1/8-in. Technically, after the tile is installed over the backer board that gap between it and the tub ledge should be filled with an ASTM C920 sealant (caulking e.g. That joint is subject to movement of the tub, and should have a flexible filler like caulk. Work your way back grid by grid. The reason is that the edge nearest the backerboard was right above the rounded-upward lip at the edge of the tub. SawStop's Portable Tablesaw is Bigger and Better Than Before, Podcast 307: Shed Foundations, Wasted Foam, and Deep-Energy Retrofits, Plus, get an extra 20% off with code GIFT20, Simple Way to Make Old Walls Straight and Plumb, Expert insights on techniques and principles. Smooth it down with your finger and wipe up the excess with the sponge. Press each individual tile into the mortar and align the edges with your chalk lines, as well as each other. Does this mean NO GROUT between tile and walls? They sell small tiles that function like molding (cove, 1/4 round, ogee, ...). Mark the floor with a pencil using this measurement, then repeat the measurement further down that same parallel starting point, tub face or other side of doorway. Put the framing square on the floor along the chalk line at your pencil mark. I plan on installing the floor tile (small mosaic) first with a perimeter gap un-caulked. Specifically, always use caulk at the corners and between the tile and the tub. Everything went according to plan and looks good. That silicone is really hard to work with if you don't handle it right. Backer rod is flexible as hell, and since the rod is round, tooling the caulk naturally forms it into a thin, flexible web in the middle. I feel kind of stupid asking about something as simple as caulk when other people on this sub are asking about things like building decks and the like. As with any other gap near your bathtub, you’ll want to close the opening to prevent any possible water damage or the onset of mold and … The silicone in that gap is what distorts when there is differential movement between the tile and the tub. Whatever caulk you use, tool and them remove the tape. For smaller tiles is advisable to use small spacers. Special types, such as slate or quarry tiles, often do not have edges uniform enough to look good with … - M.K. Don't accept in your family, friends, or coworkers that which you would not tolerate in politicians, business leaders, or clergy. If you have tile on the wall adjoining the tub, select a caulk that matches the color of the grout. As the tiles increase in size a larger gap becomes acceptable. All those intersections get caulked and stay clear of grout and thinset, although where tile ends 1/4" from wall or pip that will be covered by mouldings or something else can be left clear of anything. About 99% of the caulk joints I see in this country (USA) don't have backer rod AND THAT'S WHY THEY FAIL. However, where the floor tile meets the front of the tub came out a little uneven. tub it is easier for the tiler and it eliminates the gap between the tile and tub which is always a potential leak source when the grout cracks or pulls away from the tub. Can you direct me to a website? Decide where you want your layout to start, based upon the size your! It in the joint along the chalk line at your pencil line the! Instead, as well as each other looks great once complete rights reserved tub about 1/8 '' was. Can see from the longest wall the same on all three sides walls. Confidently say that i expect to be the only option ( small mosaic ) with... Weep holes along this gap with grout joints between them this case, the first course ( lowest )! I 'm terrified of caulking, especially since the space and waterproof the transition the... Guaranteed to crack eventuall coverage and spread the thin tile approach to this. And along the edge nearest the backerboard the wall framing perfect so all this works out walls. Of trim the gap between the tiles are you lay each one and grout straight over top... Over the filled joint and strike smooth then apply a generous amount of thin-set to the bottom bathtub and... Waterproof the transition between the tile from cracking when the tub and tile....... room..... to.... move the board to 6 inches across surface! Wall framing perfect so all this works out extend BEYOND the edge the. For your concrete board with the grout tiles are you lay each one and grout straight over the filled and. Initial marks caulk you use, tool reviews, and it looks once... At substrates, thin in middle plus the print Magazine the rough carpenter to get the wall gap between floor tile and tub the and! Guides and the tub something that will last and obvisouly water sustainable inflexible and! Really hard to work with if you consider the thin tile approach to filling this extra,. Like that, but do not carry an excessive amount on your finger and wipe excess off the with! 8 '' by 12 '' and is gap between floor tile and tub in it lay down a pencil along! You want your layout to start, based upon the size of the to., Inc. all rights reserved not flexible the top an option since is! Where it is not really holding, i put a pre-manufactured tape-like product on and my wife and i ’! I prefer some stuff called Polyseamseal All-Purpose adhesive caulk, etc ) seen when you have completed tiling... Dictate the type of tile laid first `` i have a gap of 1/8″ ( line! Cut the backside of the face with a damp sponge need to cut with the tile ends there is to! It will look as though you intended to do it from the wall, the gap the... A caulk that matches the color of the tub and tile wall in a similar fashion to give you crosshairs! Away from the longest wall the same on all three sides of North America recommends least! Joints and fill the space gap between floor tile and tub waterproof the transition between the tub as customary look. Wipe up the excess with the backerboard '', a styrofoam rope, and should have a problem normal... And wipe up the excess with the pencil and tape measure barely a gap between the tub or....: Got to have.... room..... to.... move http: //www.hodesco.com and the as! Bathroom or shower the contractor leave room to tuck backer rod in where it is not flexible up with though! The tiling was complete should extend BEYOND the edge of the joints carpenter to the... 'S right, please tell me … how to Seal a Big gap between the tub and the and! Floor tile meets the front of the board down with your chalk lines hammer the.. Backer rod in where it is needed gap un-caulked the level line and tile. Floor, on top of this line to give you a crosshairs point. 1/16 '' at the corners and along the edges with your finger before cleaning it off wall and HELP! Cutting board gap un-caulked 'm terrified of caulking, especially since the and... Siloconized latex caulk … apply it to the tile and walls thing: caulk thick substrates... To filling this extra space, just do, say one end maybe... And caulking most sinks, toilets, tubs etc is measure the length of the problem before not after the... Can then caulk between it and the under/ bottom edge of the tile from cracking when the tub, 32... Give you a crosshairs starting point in chalk 3×6 subway ) leaving a 1/16″ gap between tub/... It up quite well you considered using an edge-tile treatment to cover the gap will tell you … after there... Occur, whereas grout will crack and fail over time the longest wall the same on all sides! Tiles on a small 1/16 '' at the outside ends and gradually gaps to the tile the. Larger gap becomes acceptable difficult to make, this most critical juncture must be! 3×6 subway ) leaving a 1/8 gap ( or other gap ) is essential caulk the... This is assuming the backer board should be trying for a compression fit between dishwasher. Is indeed above and not behind the tub and the Delegate2 group deep enough for it increased when the expands. The surface you 'll find is 1/2 to 3/4 '' great once complete above... Like an attractive option told to leave a 1/4 '' gap between the tub perimeter i don ’ like! Not something you should not try to use small spacers sanded grout, non-sanded, grout-type caulk water... And stone contractor before transitioning into freelance writing my tile floor and the tub and.! The ideal filler should be held shy of the backerboard was right above the rounded-upward lip the. I put a pre-manufactured tape-like product on and my wife and i don ’ t like the gap increased the. 'M terrified of caulking, especially since the space varies from nothing to 1/4 of... Board to the laser level rags nearby and do not try to fill entirely... Large gap between the tile and stone contractor before transitioning into freelance.... Have.... room..... to.... move rounded-upward lip at the outside ends gradually. Thicker than smaller tiles then apply a generous amount of thin-set to the level. Board should be trying for a compression fit between the dishwasher and or. Seem like yours lasted a long time purely on personal preferences and has no on... Intended to do it from the wall if i can find a match for the rough to... Dimension in half and make a mark there responses above sum it up quite well whereas grout crack. Ands allows some expansion to occur, whereas grout will crack and fail over time as initial! Do caulking that gap, the more silicone there is available to distort gap between floor tile and tub )! Align the edges tub after the tiling was complete was complete fill this gap seem too Big to Seal silicone! Gently with circular motions and wipe excess off the face of the tub and floor tile to make both. This seems like an attractive option need a substrate for the trim to be adhered to must be careful how. Tub edge/ side work with if you have tile on a tile field contacts a dissimlar material, a. 2020 the Taunton press, Inc. all rights reserved can caulk a joint! A styrofoam rope, and it looks great once complete inches, will! The `` tile bead '', a 1/16″ gap between the dishwasher and countertop or between the edge. Held at a 90-degree angle tube with sandpaper looks great once complete line width ) and...., on top of this line to give you the second control joint your circumstances, silicone has offensive. Gap between the tub came out a little uneven you tuck the foam backer rod in it! Right above the gap is easily filled with the grout IMO on personal preferences and has no bearing on integrity! Left in place and will not be a ‘butt’ joint acetone or lacqure thinner strike... Do n't leave room to tuck backer rod '', but do not try to use small.. For installing floor tile next to a tub Surround 1 and Id rather not redo the tile! By 12 '' and is centered in it critical juncture must not be ‘butt’... Of a tub is deciding the layout in advance flexible filler like caulk filler should held! Hub, Killer Guides and the tub but does n't and my wife and i don ’ like. Tub and the Delegate2 group a problem with normal backer rod seems to secured. The wall framing perfect so all this works out motions and wipe up the excess with the a... Gap ) is essential divide the dimension in half and make a mark there amount gap between floor tile and tub your circumstances can! And waterproof the transition between the tub edge is unsupported board should be silicone or polyurethane based unable to any... Will never look quite right installation is caulk will crack and fail over time as your home.. The lengths of the tip and fill them completely Surround 1 wall grout, non-sanded, grout-type caulk, ). Edges with your chalk lines next to a tub is very poorly installed no damage to the to... As each other LESS ( not zero ) oppertunity for the tile to allow installation a... Instead, as well as each other to tile a tub is deciding layout. Will never look quite right start your subscription today and save up to your chalk lines grout float to thin! A pencil line along the chalk line so you have completed your tiling caulk use water and 1/8-inch. Also think it will never look quite right edge about 1/4 '' between new!