Q-I plan to paint my unpainted concrete garage floor and need to know how to go about it. A-Garage and+carport+floors share many of the painting difficulties of all concrete slabs, with the additio… ...

I will be painting it with patio latex paint. I plan on cleaning with TSP (trisodium phosphate) and then applying a concrete bonding primer. Do I need to acid-etch before painting with primer?