In my experience tile applied directly to plywood will be a short lived installation and more likely to encourage rot in areas near a tub or shower. You will need to purchase a polymer mortar that meets required standards. The answer might shock you but the simple answer is "Yes" - you can tile directly to plywood. When the tile is laid on top of a plywood subfloor, the plywood will expand over the years. Cementitious backer units are not totally rigid (somewhat flexible) and when placed over non-gaped plywood, buckling of plywood edges will be transmitted through the backer unit. Thanks! My question is: Can we/should we put tiles directly on plywood? The reason being: plywood is not dimensionally stable, it can shrink, swell and otherwise move around, no matter how many screws are holding it in place. HOWEVER, the floor must be properly reinforced to minimize flexing; the joists, if they're 2x8 (newer code) and not 2x10 (older code), must be braced every four feet with cross-braces, which minimizes independent flexing of each joist and the subfloor above. There are thin-set dry set mortars design specifically for adhering ceramic tile to plywood that is designated as an ANSI A118.11 thin-set mortar. Why? This will cause either the tile itself to crack and even come loose or cause the grout to crack inside the joints. Installing Over Wood . I am concerned that the way the marble tiles are being installed will cause problems later (cracks in tile, splits in grout). Tile can be installed over various types of subfloor. This is because plywood will expand and contract over time, causing your tile … Plywood will expand and deform if subjected to moisture or humidity. Yet this application does make sense, since concrete is heavy, solid, and is typically thought of as an unbending, uncompromising material. This excessive movement will cause bond failure and cracked tiles. I'll either use 1/4 inch cement backerboard or a proprietary product like Schluter Ditra. Directly tiling onto floorboards isn’t usually recommended as movement beneath tiles could result in unwanted cracks and breakages. Yes, but there are certain criteria that have to be met for it to be successful. Have contemplating using 1/4 backerboard, but this, with the tile and the 2 beds of thinset would create a 1/2 to 5/8″ height descrepancy at the oak flooring in living and hallway. They are installing it directly onto the plywood subfloor using a metal cheesegrater type material instead of backerboard. A poor ceramic installation will delaminate from the subfloor, split at the grout lines, or worse–crack directly across the tile. Second, the strength of … Does Peel & Stick Tile Work on Plywood?. Gerald, Plywood is a fine substrate for tile. As a rule of thumb, when it comes to tiling, always ensure the surface is even and secure for a long-lasting finish. There may be times when you want to bond tile directly to plywood, or another wood surface, rather than screwing down backerboard first. As a result, the grout lines and the tiles themselves can … Exterior plywood contracts and expands, which makes it hard to bond with other materials. Tile Floor On Plywood. Just use a good thinset. The underlayment for ceramic tiles, is the final layer that lies directly beneath the surface flooring. It was agreed that for existing timber floors, plywood overlay is still acceptable to tile to in small internal dry areas, if it is a minimum 15mm thick and of an appropriate quality exterior grade. The tile flooring was installed directly to the plywood. Step 4 - Center. On a plywood subfloor, you need either a layer of cement backer board or an underlayment membrane, like Custom Building Products' Wonderboard… Exterior Applications: If you’re installing tile outside you need to be very careful which thinset you use. To install the concrete board, apply tile adhesive to the back, then press it down against the plywood. Carpenters are used to … While you can lay tile directly over a concrete slab using thin-set adhesive, don’t make the mistake of applying tile directly to a plywood subfloor. I have always heard you have to have the backer board because of the different expansion/contraction rates of wood vs. cement. ANSWER ANSWER - We normally don’t recommend to bonding to exterior glued plywood (EGP), but it can be done in interior dry applications. Then you want to install screws into the concrete board in each of the holes. Tile always needs an underlayment or layer of cement backer to lay on top of, especially in the case of plywood. While plywood is not recommended as a wall substrate for the direct fixing of tiles, the advice for floor tiling remains the same as per BS 5385 Part 3: 2014. Can you tile directly to plywood with thinset? If you put tile directly on top of plywood, it will chip and break. Backerboard can double the thickness of an installation, which can be troublesome in some locations. Tiling on old plywood. Agent Zed. No slipsheet needed. No tile pro worth his/her salt would recommend to tile directly on plywood. Shrinking and swelling will crack the grout, can pop off tiles … The more important question is "Should you?" Glue, called mastic, is the least expensive method for installing tiles. Plywood on concrete floor before tiling. The TCNA spec shows this detail with the tile bonded directly to the plywood, but few tile experts recommend doing this. The most suitable materials for the subfloor are concrete, plywood and cement board. 2. One question that folks new to ceramic tile frequently ask is whether they can lay the ceramic directly on top of a plywood or OSB subfloor, using a thinset cement or liquid nails to glue down the tile to the wood. 03-11-2010, 02:53 PM. You may also want to tile an outdoor shed, or tile plywood boards for display. Oct 22, 2015 … Nothing stiffens a floor in preparation for tile as well as plywood panels. Ceramic and porcelain tile are so frequently installed at or above grade level on a cement board underlayment or directly on plywood that it almost seems novel to install tile directly on concrete.

The bottom line is that you should not apply tile directly to a plywood sub-floor. Alternatively, another option is to strengthen the substrate with either a layer of floor screed or by overboarding with plywood/tile backer board, and then using an improved flexible (S1) tile adhesive . Use your drill to make this job simpler. PLYWOOD SHEETS and will likely result in bond failure. Can the subfloor support the weight? The important thing is that the floor not flex. Then I would remove any loose tiles and scrap away any adhesive that is left on the ply and tile, you want the ply and tile to be perfectly clean for the next stage. Tile installed directly over wood will likely buckle as it absorbs moisture, and the wood will be susceptible to mold and mildew. Center your tile in the bathroom. The subfloor, which is typically a layer of plywood or oriented strand board (OSB). Can it be done? It is possible to tile directly onto tongue and groove wooden floors, but the high amounts of deflection/movement will mean that an ultra-flexible (S2) tile adhesive is required. What are the Pro's and Con's of tiling to EGP - Exterior Glue Plywood? bbcamp. Plywood or OSB (flakeboard) can expand and contract at too high a rate to be a stable foundation for tile. Secondly, I would never tile directly over the plywood as this video seems to imply is acceptable. According to backer board manufacturers and tile setters, installing backer board directly over an old, solid-wood subfloor is risky for a couple of reasons: First, changes in humidity make solid wood shrink, swell and cup more than plywood. Thinset mortar is the primary method for installing ceramic or stone tiles onto new surfaces, acting like cement to bond the tiles into their new homes. Laying tile directly on a surface like plywood or an existing floor can cause major problems down the road. The detail shown is essentially TCNA’s F150 method – with the addition of an uncoupling (crack-isolation) membrane. Tile installation standards are established by TCNA, the Tile Council of North America. Sponsored Links. Lay plywood or Hardie Backer Boards onto the floorboards first, using a bed of tile adhesive, to ensure a sound, flat surface which you can then tile onto. I can tile directly over this floor because it is more than 1 1/8″ thick without adding backerboard (would have to remove all plywood to do this) – correct? To install ceramic tile over wood, the wood surface must be structurally sound enough to support the weight of the tile. Chipboard, cushioned vinyl flooring, particle boards of any type, oriented strand board (OSB), interior-grade plywood, tongue and groove planking, and hardwood floors are unsuitable substrates for direct installation of ceramic tile. BONDING TILE DIRECTLY TO LUAN PLYWOOD ©2013 6/13R The information in this bulletin is presented in good faith, but no warranty, express or implied, is given nor is freedom from any patent in as much as any assistance furnished by CUSTOM® with reference to the safe use and disposal of its products provided without charge. Installing ceramic floor tile to a plywood sub-floor has unique challenges beyond that of installation on a concrete floor. 3/4" is probably all right if on 16" centers, but is the lower limit. Then, in either case the subfloor should probably be … This will cause either the tile itself to crack and even come loose, or cause the grout to crack inside the joints. Or one with a latex admixture. In the Pro list right at the start has to be "Cost Savings" "Speed" and "low build up height" Laying tile directly to plywood is a really bad idea. Is this appropriate at all? Yes, with a good modified thinset. Can you install tile on a plywood backsplash? Plywood makes a smooth underlayment for peel-and-stick tiles. … installation is a little counterintuitive though. Mastic adheres the tile directly to a wooden sub-floor, to a wooden back-splash or onto a piece of plywood. You CAN bond tile directly to a plywood subfloor and expect it to last. Should you? Before I list this costly repair I would like some thing concrete to back my findings. Long answer to 'Can I tile directly onto wooden floorboards? While most floor tile these days is installed onto a layer of cement board or similar backerboard it is possible to lay tile directly over plywood. Installing Tile Directly on Concrete . I have hurt my back and couldn't complete it the... Tiling on top plywood flooring If you’re wondering whether or not you can lay tile directly on a plywood subfloor, the answer is no. ': Unfortunately, tiling directly to floorboards is not recommended. Is it worthwhile putting plywood on a concrete kitchen floor before tiling; would it keep the tiles slightly warmer? Will humidity be a problem? In order to install tile directly over the exterior plywood, you will need to use a special bonding agent in order for it to hold up. The floor and subfloor combined should be at least 1-1/8 inches thick for proper support. Tiling onto plywood using a standard tile adhesive can be problematic, initially I would make sure that the plywood surrounding the pipe work is secure and that you don't have any movement in it. Hello, I have laid down wbp plywood on the floor in the kitchen a year ago.


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