Manufacturers do not always have pump grade mixes available, though, so field mixes are sometimes needed. To help ensure smooth pumping and avoid pack-outs, follow these guidelines to prepare the mix.

I know you've answered others about how to restore damaged concrete. That's not my issue. I must pour a new sidewalk, driveway and patio, and I want it to last. I don't want it to spall. I don't want ...