Posted 11/5/2016 21:39 (#5620322 - in reply to #5620271) Subject: RE: Blacktop a shop floor?
Flowable mortar or "K-crete" is what we use to help bed some culverts. Basically a very wet concrete without the large aggregate. Id guess a thin coat of that could be poured. Maybe use some fiberglass for reinforcement. Ask a concrete contractor and your local concrete plant what they recommend.
AaronSEIA