This week I am installing new tiles in the main bathroom in our house. I installed the old tiles about 25 years ago and used construction cement. Boy, do they stick! I guess that 25 years ago, I thought they would be on the floor forever.
Here is a photo of the tiles being removed very slowly:
After about an hour and a half of this, I remembered the scraper attachment (491 199) that fits onto my Festool LS 130 Duplex linear sander (567 777). That tool did a great job:
and was about 5 times as fast as the method that I had been using.
Here is a close-up of the tool with the attachment: