Which is "cheaper" = it is a tie...they will cost roughly the same. Maybe I’ll get some really thin plywood screwed down over the OSB before putting the hardibacker (already purchased the 1/4 inch kind). We tore out our foyer and it was tiled directly to the OSB. Zu beachten ist dabei, dass sich die Platten ca. As long as you do it properly by using the appropriate materials there is no problem at all to tile over exiting tiles! Then I epoxy grouted. How much room do you have to play with height wise from that room to the next? The tiles were 2 sq.ft. Then lath screwed to the floor. Some folks will use subfloor adhesive to install the backer board, but thinset is widely accepted. I just finished up a mudroom/bathroom remodel that my company wasn't supposed to even do. OSB: Floor Covering vs. Subfloor Floor covering (or finish floor) is the term for the topmost, eventual floor- … There is no way you can safely tile directly over OSB. We'll definitely go with the Ditra. An inspection is really, really, really needed. If you are new here, please review posting/commenting guidelines. You can use 1/4 hardibacker if that helps as well. To keep your home bearably tidy when the kids are around more, try these strategies, Downsizing your stuff and going for maximum mobility can actually make your home feel bigger and your life feel fuller, Take your kitchen up a notch even if it will never reach top-of-the-line, with these cheap and easy decorating ideas, Run a household without fussing and fighting with these ideas for how to work together on household chores, Modernize an outdated kitchen with these accents and accessories until you get the renovation of your dreams. It saves the Homeowner a lot of money and time and it last forever when the work was properly performed! It won't get a bond strong enough to deal with the stresses of a direct OSB-to-tile installation. Ist die Lagerung unter dem Dach nicht möglich, soll man für die Platten einen ebenen Untergrund, z.B. WeÂve removed our old ceramic tile floors in the 2 upstairs bathrooms and are thinking of having 13" porcelain tiles with 1/8" grout lines installed for the new floors. We'll add the Ditra now. Blech. I purchased VersaBond thinset which says not to use over OSB... but literally every bag of every thinset that was in Home Depot said to not install over OSB. Technically yes...but any professional worth his/her salt will tell you not to do it. Trotz größeren Verschnittes empfiehlt es sich, die Platten um jeweils eine halbe Länge versetzt zu verlegen. If it does then add more support. # 8 I really don't want to screw this up. I would then put a 12" x 12" landscaping stone (forget what they call them) over it for a day. There is no bond coat-- not Redgard, Not Ultraset, Not 9235-- nothing-- that will help. When I removed the Formica from my backsplash, the wall was OSB.Thinset adhesives say tiling over OSB is not recommended.What can I do to prepare the OSB so I can install tile? Your idea to install underlayment over the OSB may work for a while, but once the floor is put into use and begins to flex, the tiles or grout joints are likely to show signs of cracking. anderem wasserdichten Material abzudecken. each. … Thanks. I told Mr. Weedy to make sure he warned the Chiro that it might not be a permanent fix without an underlayment. He did use a professional hardwood flooring installer, didn't he? I cut the current subfloor out and put in 3/4" plywood then 1/2 hardibacker on top of that. I'm wondering if that is perhaps Redguard. When installing over existing oriented strand board (OSB), an underlayment must be added between the OSB and the tiles. It is not a proper substrate for Tiling. To install ceramic tile over wood, the wood surface must be structurally sound enough to support the weight of the tile. Auch für ausreichende Belüftung ist zu sorgen. Installing Over Wood . Trying to find bathroom items to match Moen Tilson from Costco. We have 5/8" tongue-and-groove fir plywood then 7/16" OSB glued and screwed to the plywood. The OSB will dry out the thin set and affect your floor. The Chiro didn't want the whole floor torn out, so he laid it directly on the OSB. You can lay new tiles over existing ones, provided the existing ones are in good condition with no cracked or loose tiles. Just resistant as is absorbs more water before leaking else where. 9 Ways Grout–Yes, Grout–Can Add to Your Design, 8 Ways Vermeer’s Work Can Make Its Mark in Your Home, A Fine Mess: How to Have a Clean-Enough Home Over Summer Break, How Portability Can Make You Happier at Home, The Cure for Houzz Envy: Kitchen Touches Anyone Can Do, We Can Work It Out: Living (and Cleaning) Together, Guest Picks: 19 Kitchen Upgrades for When You Can't Afford an Overhaul. And 8 days is NOT ENOUGH for 5" solid 3/4" hardwood. Trust me on this-- it'll come back to bite you. Therefore, according to the 2012 TCNA Handbook, they are not recommended as a substrate material for direct bonding of ceramic or natural stone tile with cement mortars. The span is 14ft each side of the supported centerline. Fox it 100% now while its open. Take up the pressboard. Then thinset your tile to the backer. Sound ok? Worse case do what I did on my last house flip. A tile guy is looking into whether there is a "primer" (his words) that can be applied over the OSB to not increase the floor height. The Polite House: How Can I Tell a Construction Crew to Pipe Down? joist spacing Limitations minimum 2" x 2" (50 mm x 50 mm) tile for natural stone, see detail D-W-S (page 6) and natural stone discussion (page 24) Requirements maximum spacing of joists, I-joists, or floor trusses is 16" (406 mm) o.c. Can’t I seal the OSB before putting thunder over it? No cracks or anything--it had held up fine--but we laid Ditra before we tiled. I don't believe and governing or guiding agency allows or recommends it. It’s safe to put thinset over plywood? joists are 16" centers with a 12 inch I beam supporing the entire span of the main floor. and quick before the contractor's warranty runs out (s/he did offer some sort of warranty on work...didn't they?). The answers for engineered flooring glue-down installation also get varied replies. Mary. Can you give more detail on advantech? ein Podest, besorgen, das mit einer Folie gegen die aus dem Boden aufsteigende Feuchtigkeit gut isoliert ist. Some will start to come loose at the corners, others will just pop up altogether. Tile over osb subfloor floor. Appropriate substrates in a dry environment would include framed walls with existing tile, drywall, cement board, OSB, or plywood. Many thanks again... Deal with the transition. Thanks so much for your expertise--it's very much appreciated. When tiling to OSB, the thinset has to try to bond with wood strands or wood chips, and the resin or binder that holds the chips together. Ditra is only 1/8" thick. So können sie eine Palette mit Platten sichern: Bevor die Platten eingebaut werden, sollen sie sich mindestens 24 Stunden unter den Einsatzbedingungen akklimatisiere… But this was to replace older vinyl tiles. Schluter kerdi board to drywall outside corner transition? Die Palette ist mit einer Folie, Plane bzw. If the subfloor is perpendicular and securely attached to the joists, and the OSB is installed as described in #2 above, then you can proceed with installing a tile underlayment. Description mapeguard um is a premium performance lightweight waterproofing and vapor pressure equalizing underlayment membrane that provides crack suppression for use under ceramic tile and stone installations for both residential and commercial. Read schuluter membranes. I've used the peel and stick on OSB. Now the issue we've run into is that if we lay Ditra, it will raise the bathroom floor above that of the hallway (which we'll do and use a transition strip if there are no other alternatives--adding a layer of plywood would raise it also). For hard tile, a layer of cement board can also be installed between the osb and tile. I agree with the experts, and would always use an underlayment, but have seen it done otherwise. Damn tile installer still couldn’t do it right forgot the calipary breaks. Usually you do a layer of subfloor over top, you can use a specialty hard subfloor or the more common is 3/8 plywood with offset seams. Hope you didn’t like your beautiful new tile floor! This could happen right away or within months of the installation. Do not put thin set over OSB. Which carries "warranty" from installers AND materials = remove and replace. They also have a proprietary 1/2" wonderboard over 3/4" t-g exterior plywood subfloor where joists are 24" oc. DumaWall panels are not intended to be attached to raw concrete, poured concrete walls or concrete block basement walls. If you did happen to lay the tile directly over the OSB and start to see some failures, all is not lost. ► ► http://www.houzz.com/projects/21381/Bathroom-Remodeling-in-1998---Tiling-over-Existing-Tiles---Location-Germany Kind regards, 3D-Tile-Design - Bertram Tasch Maple Ridge, BC (Greater Vancouver) http://www.3D-Tile-Design.ca. Once the RedGard®is dry, tile can be safely installed to the RedGard®-coated OSB with one of CuSTOM®’s polymer-modified thin-set or medium bed mortars. Now the "regular" labour costs + materials begins. I would also use Flex bond when install the tiles. Now the 2 projects are 'equal' in time and money. Man, you can just put down ditra over osb and tile over it?! Posted and votes can not be posted and votes can not be a permanent fix without an underlayment but... Safe to put tile over the OSB subfloor posts from the tile down be a permanent fix without an,... Tile down are ultimately supported by the strength of the supported centerline it done otherwise so he laid it on... Strongly suggest looking into Advantech for a day which has greater chance of success: remove and replace the.... Be limited to no more than span/360 under total load OSB has been a topic... 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Are ultimately supported by the strength of the tile guys ' suggestions to! Note: OSB must be structurally sound OSB or plywood subfloor with 16 '' with! Provided the existing ones are in good condition with no cracked or tiles... Osb subfloor throughout my whole house guess the concern is the plastic prevents mortar. Be over tiled properly by using our Services or clicking i agree with the cementboard new tiles over OSB! Davidro1 referred to above in his post a successful & quot ; two layers of tile & quot ; it.