Sounds like I will go with 1/8. Before I put all this ... How to fill a large gap between tile and shower tub to ensure waterproof gap. wall to wall-inside corner, wall to tub about 1/8". Lay out the tile on the floor and use the back wall measurement to determine how wide the corner tiles will be. The grout (the original as far as we know, or at least VERY old! Never had any problems using 1/16 to 1/8. Mock up and measure a row of tile to determine the layout. How much of a temp change do u have in a occupied home? Luckily the tiles are pretty even sized. If you have tile on the wall adjoining the tub, select a caulk that matches the color of the grout. I have purchased some back rod roll to help with caulk fill. Never fill this gap with grout, because tile grout is not flexible. Draw level and plumb tile layout lines on the wall to guide your installation. Now, you could use an expansion joint and not need caulk there, nor in the corners. I suggest that you use a piece of ½” x ½” PVC quarter round. You could easily have 30+ degrees of temp change from say in the winter when you're away and turned the heat down to a hot summer day. Lay out the tile on the floor and use the back wall measurement to determine how wide the corner tiles will be. This tip also allows you to wrap tile around tub corners as shown in the photo below. It’ll cause trouble because most tubs and showers aren’t perfectly straight or level. Plan the tile layout so a column of tile extends past the end of the tub. N humidity it effect most things in the same way. Leave a 1/8-in. Remove all old caulk from the joint to be filled. If you’ll be using spacers to create grout lines, add them between the tiles before you measure. Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration. All the posts about Redgard over Hardibacker were very helpful. It’s also important for the rough carpenter to get the wall framing perfect so all this works out. Any suggestions? It could approach 40 or even 50-degree difference if you're away in the summer and don't have a/c or the windows open. Plan to extend the tile 2 or 3 in. Assuming my eyes are focusing well that day. Jim, I take the 1/4" to be the gap between tub and backer. from the height of the tile and use this measurement to locate the height of the level line above the tub or shower. Grout imparts further structural integrity to the tilework and fills gaps so that debris will not enter. Although some say you should have weep holes along this gap so any water behind can weep out into the tub. IMHO, 1/16" is asking for problems. Thank you very much, great forum! How to Install a Bathtub: Install an Acrylic Tub and Tub Surround, How to Remodel Your Bathroom Without Destroying It, Installing a Bathroom Sink: Wall-Hung Sink, 16 Cheap Bathroom Updates with Wow Factor, Remodel a Bathroom with Marble Mosaic and Limestone Tile, We are no longer supporting IE (Internet Explorer), Get more tips on how to lay out tile here, How to Clean Gloves and Mittens Like a Pro, Do Not Sell My Personal Information – CA Residents. Watch this video to learn how a pro does it. Ceramic tile floors tend to be higher than laminate floors because tile is installed over cement board, while laminate usually lies over a thin foam underlayment . Not sure if I can find a match for the tile, and Id rather not redo the floor. Tile shown: Crater Lake 3x12// Design: The Perennial. More with temp. But my shim material is actually 3/32nd's so I'm right in that 1/8" ballpark. beyond the tub and to leave at least a half tile along the wall if possible. N it shouldn't b about the need 4 more movement cuz things shouldn't b moving. Avoid last-minute shopping trips by having all your materials ready ahead of time. That's how it got that way- and as others stated, remove old … The tile is 8" by 12" and is thicker than smaller tiles. Set the first tile at the intersection of the two layout lines. FWIW, cement moves about 2x tile, and wood moves about 10x tile. Not to mention that this is a tub install where you'll have maybe 400 lbs of water and possibly a 200 lb guy in there. This will increase the size of the corner tiles. 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. silicone). The bigger it is the worse it looks. Hello, I have been searching this morning for an answer and I am one tired guy right now. Acrylic moves more than wood with temperature changes. We recommend our users to update the browser. The sooner you come back and apply more, the better. Not saying things don't move. 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. The D.I.Y video How To Seal A Big Gap Between Tile Floor And Tile Wall In A Bathroom Or Shower. 3.9 out of 5 stars 440. ANSWER ANSWER - The polyethylene backer rod is not likely the cause of your cracking at the tub to shower wall transition, but if there is room for it in that joint, then you should use it to fill the excess space and to gauge the thickness of the sealant you are using. This transition strip is designed for joining a laminate floor to a tile floor. Having a gap like that isn’t uncommon and there are a few ways to fill it. It would be too small for me. Home House & Components Fixtures Showers, By the DIY experts of The Family Handyman Magazine. Where my tub meets my tile floor the tub edge is unsupported. Just one mans opinion. Planning the layout for a tile project is usually the hardest and most time-consuming step. Here’s a list. You can always re calk much harder 2 re tile. The silicone in that gap is what distorts when there is differential movement between the tile and the tub. If its not u can have a lot more than tile problems. I have colored sanded caulk from the tile shop. Grout Lines for Floor Tiles. space between the tub and the tile to allow installation of a flexible bead of caulk. Get more tips on how to lay out tile here. By your own admission the bathroom is tiny. When things r moving from temp. 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. Large Gap Between Tub & Tile Floor. I incorrectly tiled my bathroom walls, leaving a 3/8 inch gap between the subway tiles and the shower floor tub. There is barely a gap between the floor and tub, maybe 1/32" to 1/16" at the most. 99. )is beginnng to crack and in some cases come off altogether between the tub and the tile. Don’t leave a skinny strip of tile in the corners. Mock up and measure a row of tile to determine the layout. Jim, I take the 1/4" to be the gap between tub and backer. Grout fills the joints between tiles. The gap is easily filled with the tile wall grout, and it looks great once complete. Caulking a bathtub with various size how to grout tiles and regrout need advice on 1in gap between bathtub trim sheldontimes bathtub trim sheldontimes need advice on 1in gap between.Large Gap Between Tub And Tile 1 2 How… Read More » Locate the starting plumb line to leave the widest possible same-sized tiles at each corner. Don’t leave a skinny strip of tile in the corners. Get it as soon as Mon, Dec 14. I was thinking of using sanded grout against the tile and caulk abound the tub. Your tile will wander from the plumb line, and misaligned grout lines will be your only solution. If starting with the edge of a full tile in the center of the back wall leaves a skinny strip in the corner, shift the plumb line by half the width of the tile. As a general rule, floor tiles should have grout lines of 1/8 inch or larger, depending on the type and size of tile; most floor tiles are 8 inches by 8 inches, but larger versions are available. Tile can be lower, and should be. Plus, you’ll learn how to avoid unsightly narrow, difficult-to-cut tiles along a wall. I was more talking about poorly installed fiberglass tubs n pans. This leaves the walls along the front of the tub vulnerable to water damage, and doesn’t look as finished as tile extending to the floor. My bathroom tile is ceramic, and was clearly installed poorly, there is about a 3/4 to 1" gap between the tub and the floor tile, it currently has caulk to fill the gap but that always get dirty and separates over time. But i have to think about that more and try to picture that in my head. Use a caulk application tool and/or a plastic putty knife to work the caulk down into the gap and level it with the floor. Just like the requirement for expansion joints in a floor, you must account for variations in expansion with other materials - hard surfaces must be free to move. This will increase the size of the corner tiles. a downwards force. Between floor and wall or other abutting dissimilar material, 1/4". Screw a straight board to the level line and stack tile on the board. Don’t stop tile even with the end of the tub. Instead, fill it with an elastic material capable of sustaining the movement of the floor and the movement of the wall. Ive since picked all the silicone off which has left about over 1 cm gap between the tiles and the bath there is no bottom to this gap as you can see right down to the floor, this gap doesn't go the full length of the bath . Our latest shed is also a pavilion—and you can build it, too! View Quote. But I prefer smaller. anyone have any ideas what to do with the front edge of the tub. That type of tile is between $1.00-$2.50 sq/ft. Don’t let a tub and shower tile layout job psych you out. Place the 1/16″ horseshoe shim on tub and measure up to the laser level. I just installed a new bathtub, but it isn't as wide as my old bath tub so there is a 2 inch gap in front of the tub on the floor between the tub and the tile. Most caulk can be scraped away with a putty knife … The sole purpose of grout is to fill the spaces between tiles after the tiles have been glued in place on a floor or on a wall. Subtract about 3/4 in. If you have to come back and apply a bit more caulk to get it level, that’s not a problem. Thats a 600 lb swing from empty to full not to mention any live loads when splashing around in there. I have about a half inch gap. Ask Question Asked 4 years ago. For example, floor installations should consider using larger grout lines for more traction. Now I have a 1.5" gap between the tub and floor tile. And forcing all that distortion on a small 1/16" gap is too much for me. Leaving a 1/16″ gap between the tub and tile will prevent the tile from cracking when the tub expands. I like the 1/8" gap for a tub or shower. Don’t stop tile even with the end of the tub. The bigger the gap, the more silicone there is available to distort. Where the tile is being installed: Where you are installing your tile should also be considered when choosing your grout size. The Tile Council of North America recommends at least a quarter-inch gap between the tile floor and the walls. View Full Version : Proper size gap between tile and tub. $27.99 $ 27. Use the measurement as your tile layout calculator and use it to determine whether you should shift the layout to get a wider tile in the corner, and to determine the tile layout for the end walls of a tub or shower. If it's the later, the tub was set with a slight pitch to the inside/back wall (helps prevent water from draining to the floor) and the tile man started the tile flush at the outer edges and maintained a level line. Don’t start the first row of tile by resting it against the tub or shower. If starting with the edge of a full tile in the center of the back wall leaves a skinny strip in the corner, shift the plumb line by half the width of the tile. Don’t start a tile project until you’ve watched this video! 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. Even if you used a small backer rod in the crack it wouldn’t look as good as you might want it. Just looks better. 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