Installing a tile floor is the perfect project for a bathroom renovation. In some cases, the floor covering is isolated. This will cause either the tile itself to crack and even come loose, or cause the grout to crack inside the joints. Installation is a little counterintuitive though. So that's when I scoured the internet for solutions to lay over the tile instead of removing it. If they install a second layer of wood underlayment (3/8″ plywood or thicker), the guys would use 1/4″ CBU on top. 0 Comment. But if that’s not an issue then 1/2 inch thick is perfectly fine. Tile installed over wood floor systems MUST have a minimum of 1-1/4 inches of solid material beneath it. For residential use, one form of underlayment the Tile Council of North America’s handbook allows is plywood over joists that are 16 in. Except for slab floors any flooring system consists of three primary components. But as I walked by this bathroom on a daily basis- the floor just kept bothering me. While some consider Byrne’s a approach overkill for ceramic tile, a more common method is to use nominal 1/2 in. May 29, 2019 #4 18mm WBP ply? The installation guide for 1/4 inch HardieBacker recommends having wood subfloors made of 5/8 inch exterior grade plywood or OSB (oriented strand board) that is 23/32 inches thick. void-free underlayment grade panels, which both stiffen the existing floor and provide uniform support to prevent cracks in the tile above. are all suitable, but don't proceed with your tiling project if the subfloor is particleboard, chipboard, Masonite or sheet metal unless you can replace these flexible materials with plywood or oriented strandboard. In this scenario, Jim and Rich install 1/2″ cementious backer unit (CBU) resulting in at least an 1-1/8″ thick subfloor. How to Redo Bathroom Floors Without Ripping Up the Tiles. Tile demolition is such a messy endeavor and adds so much time to a bathroom remodel that you may be looking for a way to avoid it. Yes you need at least 9mm thick plywood on bathroom floorboards screwed down prior to floor tiling layed with flexible floor tile adhesive. OSB or interior grade plywood. Tiling over floorboards is possible with the use of plywood or backer boards. April, 2002. How To Install Tile Over A Wood Subfloor Today S Homeowner from todayshomeowner.com. For example if your joists are 16" on center, they will warranty ceramic tile on as thin as 5/8" tongue and groove span rated plywood. This process is not complicated, but you will need to be willing to do some install concrete board over the plywood. Smooth out hollows and valleys with self-leveling underlayment and/or reduce the height your installation by using plywood alternatives (Ex. How to tile a bathroom floor over plywood. Table of Contents. Never lay tile over these materials: Drywall. Plywood and OSB are the two most common materials used for floor decking, and typically they are 5/8″ or 3/4″ thick. On one. The bathroom floor is old pine floor boards (1930s house). You do need to fill in the waffles with unmodified thin-set. When choosing tiles take into account the color scheme of the interior. Im tiling an upstairs bathroom. Either thickness of Hardibacker works just fine over a floor. If the existing tile floor is set over a mortar bed, it may be hard to remove the tiles without removing a lot of the mortar bed. Reply. Using the right type plywood ensures a long lasting floor. D. Dumbo. In other premises, cement mixtures or epoxy-cement mortars can be used. subflooring, for a total plywood thickness of 1-1/4 in. Tile over Wood Subfloor. Vinyl tile, resilient vinyl, and multi-layer vinyl can cause a number of problems, including moisture problems and shifting. However, if you don't mind raising the height of the floor a little, you can usually tile right over it, even directly on the vinyl, and thus not have to deal with the asbestos issue at all. Be sure to thoroughly examine tiles prior to installation. Durable tile floors look sophisticated and are great for wet areas. The most important part of a tile floor installation is prepping the subfloor. 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. Our bathroom tile installation dealt with placing HardieBacker over a wood subfloor that was composed of two layers of plywood approximately 7/8 inch thick. in the UK Tiling Forum ... Its for over boarding, I would prefer to use ply for this job I was just wondering where sells the ply needed? Tiling over green board is just fine as long as there is no shower head above the tub. Ceramic tile doesn’t expand/contract nearly as much. Discuss Plywood for tiling on floors? Plywood and OSB expand and contract with humidity and temperature much more than ceramic tile. You can buy this most places now. Tiling A Floor Over Plywood Asrezgvd Info To avoid building up the floor too high you can use 14 in thick backer board instead of 12 in. For this project, we used exterior-grade plywood … Screw 4" on center over the whole floor, and into the joists with stainless or coated deck screws. As for the normal wall, standard tile cement for bathrooms should be OK IMO! Paint the tile with a stencil. My bathroom was tiled onto plywood 10 years ago and none of the tiles have dropped off, i just used standard bathroom tile cement at the time and didnt even PVA the surface. If you’re installing directly over the old tile flooring, rough up the existing tile with sand paper. No matter what you’re told at a home center, it’s not a good idea to install tile directly over plywood, especially in a damp area like a bathroom. Installing ceramic floor tile to a plywood sub-floor has unique challenges beyond that of installation on a concrete floor. I want to overlay either plywood or hardibacker board. If you don't do it right, the floor could crack and buckle. Sink Pictured Above. Apply adhesive to wall with a 6mm knotted trowel, lay board to wall overlapping joints in ply and screw every 300mm. over the 3/4 in. or Tile backer board? Under british standards bs 5385 part 1 plywood has now been excluded as a suitable substrate material for the direct fixing of wall tiles therefore when tiling on to walls a tile backer board is required however tiling onto plywood floors is still acceptable under british standards. The most suitable materials for the subfloor are concrete plywood and cement board. This finished tile floor is installed over a plywood and cement backer board subfloor. Can you tile directly to plywood with thinset. This means you can have a 3/4 inch wood subfloor covered by 1/2 inch plywood, cement board, or approved gypsum fiber underlayment. Tiling A Bathroom Floor Over Plywood. While few contractors add the carpenter’s glue between the plywood layers, I would consider it cheap insurance against future problems. Before you start laying tiles you must ensure that the floor is solid, level, clean and dry; Depending on the type of flooring in your bathroom, you may need to install a subfloor. Reply. Installing tile over a wood subfloor is a lot easier today than it was when I started my remodeling career. Mr Jenks, Feb 10, 2015 #4. Ghost-1 Active Member. Now I've decided to tile my bathroom floor and there's a few things I'm not sure of. Hope that helps. How to tile bathroom floor over plywood. Tile backer board on a wood subfloor tile directly over a plywood subfloor how to install cement board on a floor how to lay tile over plywood you. Also, check the height of the floor with the height of doors and cabinets. Because plywood expands and contracts beneath the ceramic tile, grout and tile failure (loose tiles and cracked, crumbling grout) is just a matter of time. Another option is to over board with 6mm moisture resistance board, again Hardie do one. Hoping someone can point me in the right direction....(don't have the confidence to just go ahead and do it without checking with experts!) Pics of : How To Tile A Bathroom Floor Over Plywood. If you cannot or do not wish to recess the floor or use a ramp, the use of additional materials to raise the bathroom floor is another option. 1/4-inch WonderBoard or 5mm EasyMat). Except for slab floors, any flooring system consists of three primary components: the joists or structural support component; the subfloor, which is usually a layer of OSB (oriented strand board) or plywood; and the underlayment, a final layer that lies just beneath the surface flooring and which is selected to match the needs of the flooring material. If you're not waterproofing the room you don't need the KERDI-BAND at the transitions, so one less expense. Prime ply with the primer recommended by the tile adhesive you choose, most makes make ones for wood. Plywood or OSB (flakeboard) can expand and contract at too high a rate to be a stable foundation for tile. 2. Lay Groutable Vinyl Peel & Stick Tile Flooring over the tile. The benefit of using DITRA over cement board is like you said the ease of installation but also the fact that it protects the tiles from cracking...for me those two reasons are big. Thorough preparation is key to achieving a long-lasting and high quality finish. This quick step-by-step guide will provide a simple overview on how to tackle such a project. Non-sheet vinyl flooring. If you're looking to tile your bathroom floor this weekend, then look no further. The caution with 1/2 inch on a floor is that it may make the bathroom floor higher than the flooring in the adjacent rooms. While you can tile over drywall walls, the paper covering on drywall can tear, destabilizing the tile. Old hardwood floors and wooden subfloors are both surfaces that homeowners may like to cover with tile. Clean with a degreaser and test a small area overnight for bonding. Plywood for tiling bathroom floors. Many Thanks . Which it did... for a while. Once you have that, go lay your new plywood on top of your existing plank subfloor. Before starting, Remove Ceramic Tiles (if present) and ensure your floor is flat and strong enough to meet industry standards (two layers of plywood totalling 1-1/4-inch thickness). Old vinyl floors in bathrooms are a pain to tear up, and if the vinyl was installed before 1980 it may even contain asbestos. The old-fashioned mud method of floating a thick mortar bed in preparation for the tile has given way to using cement backer board over a plywood subfloor. Directly tiling onto floorboards isn’t usually recommended as movement beneath tiles could result in unwanted cracks and breakages. Author's Notes:. Raising the Bathroom Floor . O. This approach is used after the subfloor (floorboards, chipboard or newly laid plywood) is … To install ceramic tile over wood, the wood surface must be structurally sound enough to support the weight of the tile. 3. How to Tile on a Wooden Floor. Hope this helps but apologies if any Tilers out there no better! For work you will need materials: Grout joints. The go-to product is 1/2-in. O.C. Here are three ideas I came across that I considered: 1. In short, a layer of ‘board’ over your floorboards will keep the surface you’re tiling strong and sturdy, and help you minimise any movement from your old floorboards. This finished tile floor is installed over a plywood and cement backer board subfloor. By Review Home Co | August 4, 2018. Tiling is not an easy skill and requires some practice, but once you give it a few tries, you should feel confident to complete this task in your own home, and hopefully this will help. Over-boarding the floor involves laying a relatively thin board on top of your existing floor to stabilise the area ‘as a whole’ and provides a strong and smooth surface to apply tiles onto. How To Tile A Bathroom Floor Over Plywood. Adhesive for tiles on plywood. plywood underlayment instead of 3/4 in. Subfloor material: Concrete, plywood and oriented strandboard. 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