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This is more of a comment because you don't have enough info to answer it properly *** You have an array of answers here. None are right. For most homes you want a minimum of 3/4" plywood + 1/4" backer or membrane (Kerdi). This is bare minimum. But there are a lot of factors to your install. What is your joist spacing, how big are your joists, is there ...


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Install your tile directly to the 5/8" ext. grade plywood. Use a high-grade polymer fortified thin-set mortar specifically designed for direct application to plywood flooring. I have had very good results, proper application is key. Check it out: Custom Building Products. Your finished height should end up just slightly higher than your old floor, a nice ...


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I've seen pro tilers install tiles right onto a plywood (not particle board) subfloor by putting down Ditra mat. I'm not a tiler so I can't say 100% that this is advisable but it's up to commercial code anyway. It would solve you're height issues and its easier to install than backer.


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1/2" plywood is for temporary applications, exterior sheathing and used as gigantic shims. It does not belong as a floor or a roof; minimum 5/8" exterior grade. HardieBacker: What subfloor should HardieBacker board be installed over? The minimum subfloor specified is 5/8" exterior grade plywood or 23/32'' exterior grade OSB subflooring. HardieBacker ...


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If you are replacing linoleum and hope to match (approximately) floor level with ceramic tile, 1/2" backer board would be about all you want to replace 3/4 particle board with (though you'll have to make sure that the 1/2 backer board is adequately supported so it does not flex, which may need some added framing if you are not going to raise the floor.) ...


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I think that these answers may be right in a small range of specific circumstances, but not right in mine. My plywood pieces had been sitting indoors in a constant environment, with both sides exposed to the same air, and they warped and they stayed warped. If these answers were correct, plywood cabinets and furniture would be writhing around all over the ...


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The simple approach (and the one I'd suggest above any of the following) is to have a sock-hop (take off your shoes and dance on the carpet) and the most workable approach to a one-time need for a hard floor is to rent a dance floor (they are a standard rental-store item, as seen at weddings done in huge tents, etc...) 8x8 is a rather tiny dance floor for "a ...


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I would use an external grade ply, seal underside and edges with acrylic primer and stick the tiles with an adhesive suitable for glass mosaic.


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How thick is the plywood? If you're talking about bolting through the plywood into the entertainment center, why not use screws from the entertainment center out into the plywood. That way you would come from the back of the plywood and not disturb the front. Depending on how the entertainment center is configured, it may be possible to use a recessed ...


2

Take a look at a French cleat, it will help keep the ply level and supported and will allow you to remove whenever you wanted provided you can lift the plywood off the back. The two factors here, one are getting the cleat affixed to the ply and the entertainment back, ideally both have enough depth for wood screws. The second is the gap between the ply ...


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I don't think it's going to be critical but when in doubt: PL. As far as I can tell, PL Premium can bond anything to anything. In a case like this, do a bead around the perimeter and bolts (quarter sized blobs) about 8" inches apart in a grid and you'd have to sacrifice a goat to a powerful deity to get those two pieces of plywood apart. The more important ...


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Assuming the existing subfloor does not have excessive deflection in it, I would put down a 1/4" tile backerboard instead of plywood, and then put Ditra on top of that, and then tile. If you are using a 1/4" floor tile, that will give you pretty much a 3/4" final thickness which generally works well with other flooring. If the subfloor isn't that solid, ...



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