Stubborn floor tiles - can't remove! Help

[Rojomateus]

Hi all, Trying to remove ceramic floor tiles in my bathroom. Plumber has previously removed about 10 of them with his very powerful drill and chisel and commented after how hard it was... there are lumps gouged out of the floor in places where he had to get right down below them. I have the remainder to remove and I tried yesterday to little result. I am using a Titan SDS drill and a 40mm chisel. Getting nowhere.... don't honestly think a different chisel would make a difference. Also tried a bolster and hammer and even have hit the tiles with all my force with a 4lb mini sledge hammer and they dont even crack! There seems to be about 1cm of adhesive below them........ big contrast to the wall tiles which I can pull off with a finger! Any suggestions as to what to try... someone suggested drilling into them might help? Would like to avoid having to go hire something as that entitles a 40 min journey each way... but may be my only option? unless you guys know differerent of course....

 

[jj4091]

Perhaps you could cut a couple of tiles into strips with an angle grinder the use your SDS to lift them. Messy job though, so empty the room then seal door with masking tape before you start

 

[freddiemercurystwin]

Have you checked how much delivery is, it's usually free if close but don't know if you are in the sticks.

 

[aveatry]

Wow - everything I have read about tiles onto upstairs wood is that they will not last but someone seems to have done a fantastic job. I would be inclined to give up and stop and then make good the attempt to remove and recover. Is that an optoin.

 

[Tigercubrider]

Have you tried a spade? Photos would help

 

[Koolpc]

Dynamite it...

 

[StephenStephen]

I'm wondering if you have a grinding wheel or belt sander? If so, you could try sharpening the SDS chisel blade or/and the bolster blade, which might help...
I'm assuming the floor underneath is concrete?

 

[Rojomateus]

Sorry should have clarified ... this is a downstairs bathroom and its concrete underneath... I do live in the sticks and from what i've checked out today hiring anything that might help is even further away than i thought.... 50 mins.... Thanks for the spade suggestion.... might give that a go.... a couple of photos attached.... you can see the dints in the floor that the plumber made plus my recent attempt at removing one... .. thanks