Exploring Your Concrete Screed Options. ... Since it was introduced in the 1970s, F-numbers have proven to be useful in measuring and improving concrete floor flatness and levelness.

Regular maintenance will help keep your concrete screed working as it should. The first step: keep and read your equipment owners-manual and follow the manufacturer's recommendations.

Q: I have a problem with flooring. I bought a condo built in 1979 with concrete floors. I want the floor to be easy as I have a bad back and walking on concrete is not the best thing for me.