Removing Backerboard & Thinset From Subflooring After Ceramic Tile Removal - General DIY Discussions - DIY Chatroom Home Improvement Forum
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Old 05-06-2015, 07:27 PM   #1
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Removing backerboard & thinset from subflooring after ceramic tile removal


Location is Harrison Twp, Michigan

We removed ceramic floor tiles. Is there an easy/productive way to remove
the backerboard that has been cemented {thinset} to the subfloor? Without removing the subfloor?
Please help!!!!
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Old 05-06-2015, 07:48 PM   #2
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Unless it is a huge floor , driving a flat bar under it with a hammer usually works.

A chipping hammer(looks like a drill) with a wide flat blade is a time saver if the floor is larger.

An angle grinder with a diamond cup will make short work of the thin set.
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Old 05-06-2015, 08:13 PM   #3
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It looks like there are places where liquid nail was used instead of thinset. is there a solution to remove the backerboard that has been glued to the subfloor?
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Old 05-06-2015, 08:36 PM   #4
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Nothing simple--wide chisle--painters tool----Might need some new subfloor
$30 a sheet might not sound bad after chipping away for a few hours.
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Old 05-06-2015, 08:46 PM   #5
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oh'mike.....yikes! Had that feeling. Yeah we don't want to make this a week long project of scraping/chipping away. Thanks for the input, it helped a lot!!
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