How To Remove Thinset From Concrete Board

You can also use a coarse brick or piece of cement/cinder block as a rub stone to remove thinset. A grinder might also work but the dust will be miserable.

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To remove thinset, start by pouring boiling water over the thinset to weaken the material.

How to remove thinset from concrete board. For your 320 sq ft area, it could be done, but i would be inclined to pull the backerboard up. Removing thinset by using a hammer and chisel is the easiest way to get rid of it, but it. To remove thinset, start by pouring boiling water over the thinset to weaken the material.

Paired with the water method chiseling is probably the most basic method to remove thinset from concrete by hand. Please see description for important information!please consider a small donation to support my channel so i can keep bringing you great videos in the future. Now all of the thinset is stuck to the backer board.

Dry thinset may look hard and difficult to remove, but it will come up with minimal effort. For a small area, a grinder with a silicon carbide wheel will clean thinset off, but it is real messy. That dried thin set does not need a grinder to remove.

You will need to either restore the concrete so it is close to its original condition or cover the stained concrete with a material such as cement board before tiling over it. When laying hardibacker for new tile, remove any residual thinset beforehand, as it will prevent the hardibacker from lying flat. You can also test out this method for removing thinset from the back of a tile.

I’ll admit that chiseling may not be the most efficient or the easiest way of going about thinset removal. You will create much less dust with this method rather than power tools. Try one of these available from lodepot, any big box, or local hardware store.

How to remove thinset from concrete board. I would probably just remove the cement board. Wetting it will undoubtedly help when removing thinset from different tile types.

You will need to either restore the concrete so it is close to its original condition or cover the stained concrete with a material such as cement board before tiling over it. There are oscillating tools such as the multimaster which can use a rasp like tool to remove the thinset but this would be a very slow and arduous task depending upon the size of your bathroom. Using a hammer, and a chisel if necessary, repeatedly strike the thinset in an effort to loosen its bond with the subfloor.

Was the backerboard thinset to underlayment plywood or something like that?

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