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Posted by EXT on July 22, 2006, 7:26 pm
OR when finished, rent a floor grinder to take the thinset lumps and ridges
down to the concrete. The result will be like a poor man's version of
terrazzo.
>I recently had to remove some tile and thinset for a retiling
> situation. I already had a Bosch 11224VSR rotary hammer that I
> obtained reconditioned. Got a chisel bit at the local home center for
> about $15. It worked fine for the few tile I had to do (< 10). Weighs
> only 6.5 pounds.
> You might want to rent a more heavy-duty chipping hammer, stopping at
> the 35 pound unit, electrically powered. I would advise working at a
> low angle to the floor so you just hit the edges of the tiles and do
> not create divots in the concrete by removing more than just the
> thinset. Over time, the steel wheels will break up the ridges in the
> thinset created when the tile was laid.
>
>
> wrote:
>
>>need to remove approx 900 sq feet of tile -and- the thinset* under it
>>from the top of a concrete slab. purpose being to turn a small apartment
>>into a workshop for myself. I have lots of -very- heavy wheeled
>>machines, and handle big steel in there all day long, so leaving the
>>tile on 'just wouldn't be workable'. I also have a "tree root chopper"
>>thing, a sort of huge 5 foor long inch-diameter long straight crowbar,
>>with a 'straight axe head' at one end....
>>
>>so, how best to proceed? also got chisels, hammers of all sizes, a
>>pneumatic muffler chisel. I suppose there's no 'practical' way of saving
>>the tile (or is there?) the slab is approx six inches thick.
>>
>>how are tasks like this 'ordinarily' done? using what tools? are there
>>huge electric jackhammers I can rent that might be 'way faster' for this
>>type stuff?
>>
>>thanks for advice,
>>
>>toolie
>>
>>*don't have to remove ALL the thinset, just enough so that it won't be
>>forever 'breaking down into dust-sized pieces' all the time when I roll
>>iron-wheeled machines over it...and drop huge steel beams on it, and
>>stuff like that...
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