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My father built a home with a plywood roof that lasted at least 30 years with no issues before it was sold. He bedded the overlapping sheets with tar and nailed strips bedded in tar on the seams. He painted all the sheets and strips with stain(?) before assembling then stained again after it was all together. The slope was standard pitch for a ranch style ...


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You'll need to pilot and counter-sink screws like that, or try switching to a self piloting, self counter-sinking screw like Gold Star or similar. The problem with all purpose screws is that the blunt tip just flexes the fibers out of the way, reducing the amount of material the threads can get a hold of. With a screw that short it doesn't get enough bite to ...


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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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