Originally Posted by t walgamuth

I removed vct from some of the hardwood floors in my building. The old black mastic they put down in the fifties is like harder than diamond....just kidding....but its about impossible to get off, unless you use a professional floor sander with very coarse grit.

In a rental I probably would reluctantly put down another layer of tile.

When we ran into it in the latest space I remodeled in my building I paid two guys to scrape and scratch for three days and had only about fifteen percent of the room done so we ended up buying new prefinished bamboo and installing it over the black mastic.