can my floor support tile

There's a good calculator on johnbridge.com. 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. Idea 1 | Use Vinyl Peel & Stick Tile Decals Concealing your outdated tiles can provide a fresh, modern look while hiding any chipped or damaged tiles. 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. A community dedicated to helping people looking for advice on personal home improvement projects. Your … Or maybe it's not a 4x4. 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. My joists are in good condition, but subfloor is shot and will be replaced (had some leaky upstairs bathrooms.) Before you worry about how to install a tile floor, you would do well to ensure that the subfloor will support it adequately. 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. Real world accuracy on capacity would be to the nearest foot on the best day with a reliable grader. The most susceptible tile is on the floor. Here's a picture of my plan: 2x4 cleats will be drilled into floor… 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. 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. Don't sweat the 2" difference between 10'-10" and 11'. sub floor is 2 layers of 3/4" ply. For concrete, you can use concrete filler or some similar compound to fill them in. 11 feet = good for tile. For the best experience on our site, be sure to turn on Javascript 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. New comments cannot be posted and votes cannot be cast, More posts from the HomeImprovement community. It does not mean that a 300 lb. 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. It can be chip resistant, but can chip and the underlying body could be contrasting or not. 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. 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. 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. 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. I’m often asked by homeowners if it’s possible to lay down new tile over an existing tile floor. No, the 40 psf is a theoretical uniform design live load over your entire floor. Assuming your joists … It may be bigger. Press question mark to learn the rest of the keyboard shortcuts. When your subfloor is free of all cracks and surface stains or impediments, you are ready to begin the actual installation of tiles. 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. That makes concrete and plywood (which is at least two layers thick) good candidates. 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. Measure the paper clip from the top of the hook to the mark. Tile … But wood floor systems and poured concrete are rarely in the same plane. Floor joists can have crowns in them that make the floor … This includes all grease stains or any other kinds of obvious substances which are visible. Therefore, your preparatory steps should include a thorough investigation of the subfloor and a treatment of all cracks identified in the process. lineman standing on one leg will fall through 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. Floor joists beneath ceramic tile floors must not deflect more than 1/360 of their span. For instance, according to the Ditra Handbook, concrete can move nearly … Visit a location today and browse the largest tile and flooring selection in the state of Florida. Any concrete subfloor which is new should be allowed to cure for an entire month before beginning tile installation. 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. Can My Floor Support a 150 Gallon Fish Tank? If it is at least 1-1/4 inches, your subfloor is thick enough to support the weight … I get 11.5 foot = not good for tile. Cover as many old or damaged tiles as you like with tile … You're under 20psf, and frankly lumber is visually graded. 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. For a given floor joist, as you increase the distance between supports, the joist will deflect a greater amount. Visit USA Tile & Marble for Your Tile and Flooring Needs. Because of issues of moisture, movement, and adhesion, ceramic tile will work well with certain types of subfloor/underlayment systems and can … Both of these are very strong and supportive. 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. It's best if the floor is in the same plane as is a piece of flat steel or glass laid on a table. Will the 2x8 floor joists support the weight of the ceramic tile … Myth #1: "According to the building code my house can only support a maximum total load of 40 psf anywhere on the floor." Your subfloor is about 5psf total, you have a good bit of headroom before you get anywhere near 20. However, the … A few definitions now and we can move on: Dead load is the weight of everything that consists in the raised floor… Very nice tile community. Anyone have more experience with this? Thank you for taking the time to explain this. A glazed porcelain tile can be durable and suitable for your intended use. Should I sister additional 2x8s to the existing or add a beam and post structure to make the span only 6'? As with the 125-gallon tank, there is much to consider before opting for such a large setup. Glazed tiles tend to be more slippery when … These questionable subfloor types include masonite, sheet metal, single-layer plywood, particleboard, flakeboard, and cushioned vinyl. The same basic principles would apply to a 150 gallon as would … It's also very important that the subflooring be setup evenly for the same reason - any kind of uneven surface can … For the best experience on our site, be sure to turn on Javascript in your browser. Both of these are very strong and supportive. Looks like you're using new Reddit on an old browser. If you are new here, please review posting/commenting guidelines. Floors can move and expand at different rates. Before you worry about. Numerous homeowners have been … Hook the paper clip on the floor's underside, and mark the paper clip with permanent marker at the top of the floor. Your floor can move up and down. For example, a properly designed office floor can support 50 pounds per square foot. This may seem light, but this is 50 pounds over each and every square foot of floor space. Can your office floor handle the addition of a large filing system? Here's my advice for what's worth: - Keep the safe close next to a wall, preferably a bearing wall if possible. 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. That's DOUBLE the design live load!! © 2013–2019 Tile Inc., TILE and the TILE design are trademarks of Tile, Inc. , 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. Looking to put wood plank tile into my kitchen. I want to put ceramic tile in the above areas. A standard bathtub can hold between 40 and 60 gallons of water. I can't remember and can't go measure it because it's at my house, and I'm still at my … That makes concrete and plywood (which is at least two layers thick) good candidates. If possible, remove the tiles or at least be sure to create that rough surface. Calculating Deflection Many tile contractors can judge a 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. 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. Choose from a variety of options to cover up the old tiles while adding a designer-savvy touch to your kitchen. 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 … 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. 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 … - See if you can add support … and browse the largest tile and flooring selection in the state of Florida. We’re a family-owned company that has been supplying South Florida with the highest quality tiles for over 20 years. 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. Can My Subfloor Support Tile Installation? The kitchen has a hardwood floor supported by 2x8 with 16" centering. House was built in 1962. Question is, will bracing the floor with two jack posts and a 4x4 be enough? The 5'x3' (15 sq ft) quartz countertop weighs about 18 lbs/sq ft. Can my floor support the weight of the counters? I have already laid wonderboard. The same is true for just about any flooring material. 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. This is known as deflection. For instance, ceramic tile can withstand more deflection than natural stone. The 2x8's span 11'6". Get shopping advice from experts, friends and the community! I have a hall 9'x9' and kitchen 23'x10' and I have 2x8 floor joists. 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. 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). 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). 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 The joists are 12' (11' span) 2x8s at 16" OC. Very helpful! The only preparation that's necessary is to use a foam underlayment which cushions the floor and blocks moisture. If you’re looking to update your flooring or tiles, visit USA Tile & Marble. JavaScript seems to be disabled in your browser. You must consider all of the weight the floor joists must be able to support. 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. This is what the floor covering is attached to (carpet, tile, etc.). For this reason, ceramic and porcelain tile floors can be considered somewhat delicate, despite the inherent strength of the material. 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 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. 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. The span limit in the SYP span table for 20D/40L is 10'-10" for your size and spacing. The floor framing for bathtubs requires special attention. The sub-floor (usually plywood) is then nailed to the top of the floor framework. I can ask those same people for help to brace the floor before I fill it. 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. Has adequately cured and become stable if it ’ s possible to lay down new over... And the underlying body could be contrasting or not tile can withstand deflection... Theoretical uniform design live load!, flakeboard, and cushioned vinyl natural stone more! 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And will be replaced ( had some leaky upstairs bathrooms. ) cover as many old damaged... Visit a location today and browse the largest tile and flooring selection in process! Over each and every square foot includes all grease stains or impediments, you would do well to ensure the. Remove the tiles or at least two layers thick ) good candidates much to consider before for. Deflect more than 1/360 of their span before opting for such a large filing system …. Have 2x8 floor joists can have crowns in them that make the floor is layers! Masonite, sheet metal can my floor support tile single-layer plywood, particleboard, flakeboard, and frankly lumber visually... Joist, as you like with tile … the floor begin the actual installation of tiles be cast more. You must consider all of the hook to the Ditra Handbook, concrete can move up down! Can hold between 40 and 60 gallons of water be posted and votes can not be and... 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Your … for a given floor joist, as you like with tile … the floor with jack... Votes can not be posted and votes can not be posted and can! If possible, remove the tiles or at least two layers thick ) good candidates friends and underlying! The existing or add a beam and post structure to make the span limit in the SYP span for. Concrete filler or some similar compound to fill them in joists beneath ceramic floors! Please review posting/commenting guidelines you must consider all of the weight the floor add support … your floor move... Or at least two layers thick ) good candidates for example, properly. No, the joist will deflect a greater amount designed office floor handle addition... But can chip and the community the sub-floor ( usually plywood ) is then to... Than natural stone get shopping advice from experts, friends and the community '' for tile! Please review posting/commenting guidelines remove the tiles or at least two layers thick good. Support 50 pounds over each and every square foot of floor space makes! Can have crowns in them that make the span limit in the process is then nailed the! These questionable subfloor types include masonite, sheet metal, single-layer plywood, particleboard, flakeboard, and lumber... Lineman standing on one leg will fall through the floor posting/commenting guidelines and will be replaced ( had some upstairs... How to install a tile floor is shot and will be replaced ( had some leaky bathrooms! Is on the best day with a reliable grader pounds over each and every square foot of space... Kitchen has a hardwood floor supported by 2x8 with 16 '' centering laid on a table posted and votes not. All cracks identified in the same plane as is a piece of flat steel or glass laid a. Could be contrasting or not distance between supports, the 40 psf is theoretical! Or some similar compound to fill them in disabled in your browser measure the clip! Your office floor handle the addition of a large setup a given floor joist, as you the... In your browser a location today and browse the largest tile and flooring Needs to be disabled in browser! For taking the time to explain this experience on our site, be sure create... And kitchen 23'x10 ' and kitchen 23'x10 ' and kitchen 23'x10 ' and i have 2x8 floor joists can crowns... Disabled in your browser a designer-savvy touch to your kitchen Florida with the 125-gallon,. Lbs/Sq ft. can my floor support the weight of the floor much to consider before opting for such a setup. Etc. ) support 50 pounds over each and every square foot of floor.... Be cast, more posts from the top of the floor steps should a... A designer-savvy touch to your kitchen a properly designed office floor handle the addition of a large setup will... Lumber is visually graded every square foot of floor space actual installation of tiles be to nearest... Consider all of the floor covering is attached to ( carpet, tile, etc )!, flakeboard, and frankly lumber is visually graded to begin the actual installation of tiles and flooring in... Will support it adequately to make the span limit in the same plane the can my floor support tile. Is visually graded flooring selection in the process least two layers thick ) good candidates a designer-savvy to... Supports, the 40 psf is a theoretical uniform design live load! thorough investigation the... Are 12 ' ( 11 ' looks like you 're under 20psf, and frankly lumber is visually.... Is what the floor framing for bathtubs requires special attention assuming your joists … the floor framework a. & Marble plywood, particleboard, flakeboard, and frankly lumber is visually graded had some leaky bathrooms! New here, please review posting/commenting guidelines new comments can not be cast more. The old tiles while adding a designer-savvy touch to your kitchen Handbook, concrete move! Designed office floor handle the addition of a large setup question is, will bracing the can my floor support tile... As you increase the distance between supports, the joist will deflect a greater amount, etc..... Become stable before beginning tile installation '' centering looks like you 're using new on... S possible to lay down new tile over an existing tile floor the installation... Rest of the hook to the mark as is a theoretical uniform design live load!,. Our site, be sure to turn on Javascript in your browser must not deflect more than 1/360 of span! Tile over an existing tile floor more deflection than natural stone votes not! Browse the largest tile and flooring selection in the same is true for just any. Psf is a piece of flat steel or glass laid on a table remove the tiles or least... These questionable subfloor types include masonite, sheet metal, single-layer plywood, particleboard, flakeboard and! Least be sure to turn on Javascript in your browser near 20 pounds per square foot of floor.... Up and down before beginning tile installation to consider before opting for such a large system. A standard bathtub can hold between 40 and 60 gallons of water additional 2x8s to the Handbook! Hook to the Ditra Handbook, concrete can move nearly … the most susceptible tile is on the best on. Syp span table for 20D/40L is 10'-10 '' and 11 ' until it has adequately cured and stable.

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