When your subfloor is free of all cracks and surface stains or impediments, you are ready to begin the actual installation of tiles. The kitchen has a hardwood floor supported by 2x8 with 16" centering. If you’re looking to update your flooring or tiles, visit USA Tile & Marble. Because of issues of moisture, movement, and adhesion, ceramic tile will work well with certain types of subfloor/underlayment systems and can … You must consider all of the weight the floor joists must be able to support. The joists are 12' (11' span) 2x8s at 16" OC. This includes all grease stains or any other kinds of obvious substances which are visible. Both of these are very strong and supportive. Very helpful! Calculating Deflection Many tile contractors can judge a floor… I want to put ceramic tile in the above areas. That makes concrete and plywood (which is at least two layers thick) good candidates. Just as there are some ideal types of subfloor material, there are some which are undesirable, either because they are too soft and weak, or because they tend to become uneven. and browse the largest tile and flooring selection in the state of Florida. Flexing, contracting, expanding, or warping is very possible with any of these materials, and that makes them less than desirable for use in supporting tiled floors. This guide will show you how to prepare your subfloor for a tile installation project to ensure that it’s fit to support ceramic or porcelain tile. Floors can move and expand at different rates. When cracks are pretty big, you might want to consider completely replacing a section rather than trying to fill in a very large crack, or an area which has numerous cracks. It can be chip resistant, but can chip and the underlying body could be contrasting or not. Here's my advice for what's worth: - Keep the safe close next to a wall, preferably a bearing wall if possible. This may seem light, but this is 50 pounds over each and every square foot of floor space. Floor joists can have crowns in them that make the floor … I’m often asked by homeowners if it’s possible to lay down new tile over an existing tile floor. The site may not work properly if you don't, If you do not update your browser, we suggest you visit, Press J to jump to the feed. It does not mean that a 300 lb. Or maybe it's not a 4x4. Any concrete subfloor which is new should be allowed to cure for an entire month before beginning tile installation. The span limit in the SYP span table for 20D/40L is 10'-10" for your size and spacing. That makes concrete and plywood (which is at least two layers thick) good candidates. You can't use the additional dead load of 10 psf for help because that's the weight of the floor structure and it's real. The sub-floor (usually plywood) is then nailed to the top of the floor framework. This is what the floor covering is attached to (carpet, tile, etc.). In most cases, you'll have to add an underlayment to the subfloor to make it stable enough to support tiles, and all underlayments add height to the finished floor, although in the case of an uncoupling membrane, this increase can be as little as 1/8 inch. Your … Will the 2x8 floor joists support the weight of the ceramic tile … House was built in 1962. Very nice tile community. We’re a family-owned company that has been supplying South Florida with the highest quality tiles for over 20 years. Both of these are very strong and supportive. However, the … Hook the paper clip on the floor's underside, and mark the paper clip with permanent marker at the top of the floor. © 2013–2019 Tile Inc., TILE and the TILE design are trademarks of Tile, Inc. Myth #1: "According to the building code my house can only support a maximum total load of 40 psf anywhere on the floor." Can My Floor Support a 150 Gallon Fish Tank? Therefore, your preparatory steps should include a thorough investigation of the subfloor and a treatment of all cracks identified in the process. It may be necessary to sand down the plywood in order to achieve a smooth, level surface capable of holding the tiles without stressing them in any way. There's a good calculator on johnbridge.com. Our showrooms are conveniently located in Doral, Aventura, and Pompano Beach and have knowledgeable staff on-hand to answer any and all of your questions. It's best if the floor is in the same plane as is a piece of flat steel or glass laid on a table. Assuming your joists … You're under 20psf, and frankly lumber is visually graded. The floor framing for bathtubs requires special attention. Question is, will bracing the floor with two jack posts and a 4x4 be enough? lineman standing on one leg will fall through the floor. Looks like you're using new Reddit on an old browser. I put all of the boxes of tile into the kitchen and measured the change in distance from joist to basement slab with no measurable change. The reason subfloor support is so critical for, is that if the subfloor is not stable in preventing all kinds of movement, that movement will be passed on to the tiles and they will become loose, or they may even begin to crack and fall apart. If possible, remove the tiles or at least be sure to create that rough surface. As with the 125-gallon tank, there is much to consider before opting for such a large setup. After addressing all the cracks which are visible, you should begin cleaning the surface of your subflooring, so as to remove any surface materials which might interfere with the installation of tiles. A standard bathtub can hold between 40 and 60 gallons of water. For instance, according to the Ditra Handbook, concrete can move nearly … Floor joists beneath ceramic tile floors must not deflect more than 1/360 of their span. 11 feet = good for tile. Visit USA Tile & Marble for Your Tile and Flooring Needs. A community dedicated to helping people looking for advice on personal home improvement projects. It's also very important that the subflooring be setup evenly for the same reason - any kind of uneven surface can … I get 11.5 foot = not good for tile. In english, your joists are good for 10'-10" at a live load of 40psf (code standard for residential) and a dead load of 20psf (which is higher than you'd get even with heavy quarry tile). This is known as deflection. Press question mark to learn the rest of the keyboard shortcuts. A few definitions now and we can move on: Dead load is the weight of everything that consists in the raised floor… Can your office floor handle the addition of a large filing system? Glazed tiles tend to be more slippery when … But wood floor systems and poured concrete are rarely in the same plane. The 5'x3' (15 sq ft) quartz countertop weighs about 18 lbs/sq ft. Can my floor support the weight of the counters? For example, a properly designed office floor can support 50 pounds per square foot. , you would do well to ensure that the subfloor will support it adequately. It's best not to put a load on fresh concrete until it has adequately cured and become stable. For this reason, ceramic and porcelain tile floors can be considered somewhat delicate, despite the inherent strength of the material. Our showrooms are conveniently located in Doral, Aventura, and Pompano Beach and have knowledgeable staff on-hand to answer any and all of your questions. The reason subfloor support is so critical for tile installation is that if the subfloor is not stable in preventing all kinds of movement, that movement will be passed on to the tiles and they will become loose, or they may even begin to crack and fall apart. My joists are in good condition, but subfloor is shot and will be replaced (had some leaky upstairs bathrooms.) This is not my favorite way to install tile, but it can be done, as long as the existing tile and subfloor are in good condition, and the old tile … Your floor can move up and down. JavaScript seems to be disabled in your browser. Tile Over Existing Tile Floor – Be sure to break or create a rough surface so the adhesive created proper bonding between both surfaces. Idea 1 | Use Vinyl Peel & Stick Tile Decals Concealing your outdated tiles can provide a fresh, modern look while hiding any chipped or damaged tiles. The only preparation that's necessary is to use a foam underlayment which cushions the floor and blocks moisture. - See if you can add support … Before you worry about how to install a tile floor, you would do well to ensure that the subfloor will support it adequately. I have a hall 9'x9' and kitchen 23'x10' and I have 2x8 floor joists. Don't sweat the 2" difference between 10'-10" and 11'. For concrete, you can use concrete filler or some similar compound to fill them in. For the best experience on our site, be sure to turn on Javascript in your browser. Tile on the wall while still at risk, would probably behave as a deep beam and span between low points of the supporting joist StructuralEng , Consultant It's also very important that the subflooring be setup evenly for the same reason - any kind of uneven surface can cause loosening or cracking of the tiles. The most susceptible tile is on the floor. It cannot be emphasized enough that prior to tile installation, the subfloor must be free of all cracks and must be as clean as possible. 3325 NW 79th Ave,Doral FL 33122305-471-9552, 1790 N Powerline Rd #5Pompano Beach, FL 33069 954-623-6050, 14700 Biscayne Blvd, Miami, FL 33181305-940-0021, 1201 US Highway 1,Suite 29, North Palm Beach, Florida 33408561-408-3094. Get shopping advice from experts, friends and the community! Preparing a subfloor is an essential step for installing floor tile.It provides a level surface that will allow the tiles to properly stay in place. Deflection, or bounciness, can cause tiles and grout to crack or come loose, and the tolerance depends on what type of tile is being installed. Thank you for taking the time to explain this. A glazed porcelain tile can be durable and suitable for your intended use. I have already laid wonderboard. It's also very important that the subflooring be setup evenly for the same reason - any kind of uneven surface can cause loosening or cracking of the tiles. The same basic principles would apply to a 150 gallon as would … for tile installation are those which are even, solid, and stable so that they impart no movement to the tiles which will be laid over them. Should I sister additional 2x8s to the existing or add a beam and post structure to make the span only 6'? Before you worry about. Needless to say, if we can avoid removing tile , and saving our house from the absolute mess that seeps through protective plastic barriers- we will. by John F Mann, PE Design of a wood-framed floor to support tile flooring requires careful consideration of deflection to minimize potential for cracks in tile flooring. The site has a two-pronged mission: to better inform the general public on the intricacies of the tile industry, and to provide a meeting place for tile and stone professionals where information might be freely exchanged.John Bridge Tile Forums provides the venue, and everyone, be they professional tile … Anyone have more experience with this? For a given floor joist, as you increase the distance between supports, the joist will deflect a greater amount. New comments cannot be posted and votes cannot be cast, More posts from the HomeImprovement community. The reason subfloor support is so critical for tile installation is that if the subfloor is not stable in preventing all kinds of movement, that movement will be passed on to the tiles and they will become loose, or they may even begin to crack and fall apart. Choose from a variety of options to cover up the old tiles while adding a designer-savvy touch to your kitchen. I'm assuming SYP on wood since you didn't happen to state species and I don't know your part of the world, DFL or another quality wood would be fairly similar. Cover as many old or damaged tiles as you like with tile … Can My Subfloor Support Tile Installation? I can't remember and can't go measure it because it's at my house, and I'm still at my … It may be necessary to sand down the plywood in order to achieve a smooth, level surface capable of holding the tiles without stressing them in any way. Numerous homeowners have been … By taking a little bit of preparation time with your subfloor, you can save yourself some potential headaches later on, and possibly some costly repair work as well. sub floor is 2 layers of 3/4" ply. For the best experience on our site, be sure to turn on Javascript in your browser. I can ask those same people for help to brace the floor before I fill it. If it is at least 1-1/4 inches, your subfloor is thick enough to support the weight … The 2x8's span 11'6". Some of the best types of subfloors for tile installation are those which are even, solid, and stable so that they impart no movement to the tiles which will be laid over them. Your subfloor is about 5psf total, you have a good bit of headroom before you get anywhere near 20. Visit a location today and browse the largest tile and flooring selection in the state of Florida. If you are new here, please review posting/commenting guidelines. The same is true for just about any flooring material. No, the 40 psf is a theoretical uniform design live load over your entire floor. So when it came to the guest bathroom upstairs, for which I despised everything from the layout, to the sink, to the tile floor- I would do anything to not have to remove and replace the tile. These questionable subfloor types include masonite, sheet metal, single-layer plywood, particleboard, flakeboard, and cushioned vinyl. Real world accuracy on capacity would be to the nearest foot on the best day with a reliable grader. Measure the paper clip from the top of the hook to the mark. Looking to put wood plank tile into my kitchen. It may be bigger. Here's a picture of my plan: 2x4 cleats will be drilled into floor… For instance, ceramic tile can withstand more deflection than natural stone. That's DOUBLE the design live load!! Tile … In english, your joists are good for 10'-10" at a live load of 40psf (code standard for residential) and a dead load of 20psf (which is higher than you'd get even with heavy quarry tile). Have crowns in them that make the span limit in the SYP span table for is! Explain this, as you increase the distance between supports, the 40 psf is a theoretical uniform design load. Size and spacing month before beginning tile installation Marble for your size and.! For the best experience on our site, be sure to turn on Javascript your! I ’ m often asked by homeowners if it ’ s possible to lay down tile!, the 40 psf is a theoretical uniform design live load! floor supported 2x8. Deflection than natural stone … that 's DOUBLE the design live load over your entire floor about. Make the span only 6 ' flooring selection in the process old browser psf is a theoretical uniform live..., single-layer plywood, particleboard, flakeboard, and cushioned vinyl a 150 Gallon Tank... The state of Florida existing or add a beam and post structure to make the.... It has adequately cured and become stable square foot … that 's DOUBLE the design live load!! Similar compound to fill them in on personal home improvement projects tile into my kitchen is! Large filing system hardwood floor supported by 2x8 with 16 '' centering or impediments, you can my floor support tile. How to install a tile floor advice from experts, friends and the community and flooring in... Is 50 pounds over each and every square foot of floor space of... Hall 9'x9 ' and kitchen 23'x10 ' and kitchen 23'x10 ' and i have a hall 9'x9 ' and have... Leg will fall through the floor … that 's DOUBLE the design live load over your floor! Quality tiles for over 20 years the sub-floor ( usually plywood ) is then nailed to mark. Increase the distance between supports, the 40 psf is a piece of flat steel or laid. Thank you for taking the time to explain this fresh concrete until it has adequately cured become... Of a large setup them in all grease stains or impediments, you would do to. Adding a designer-savvy touch to your kitchen a thorough investigation of the counters m often by! It ’ s possible to lay down new tile over an existing tile floor, have... Floors must not deflect more than 1/360 of their span and surface stains or impediments you! 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Often asked by homeowners if it ’ s possible to lay down new tile over existing... Update your flooring or tiles, visit USA tile & Marble for your size and spacing for taking time... Laid on a table and post structure to make the span limit in the above areas than 1/360 their.

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