11.   Also, some types will be softened by using paint thinner or even paint remover.

12.   Brush the paint remover on in thick layers without brushing back and forth, then scrape off the softened goo with a dull scraper.

13.   But with concrete, you are likely to have to repeat with the paint remover, then scrub with coarse steel wool to get it off completely.

14.   Chemical paint remover will also work, but it is toxic and sloppy.

15.   Chemical paint remover will remove the stain, but also take off the paint.

16.   Chemical paint remover or grinding with a concrete grinding machine is the only way.

17.   Chemical paint remover should make short work of it, because it is only a primer.

18.   Could I use paint remover?

19.   Elbow grease and many gallons of paint remover is the trick.

20.   I know removing paint with a paint remover is sloppy and miserably hard work, but there is no other answer except putting up a new ceiling.