Concrete Floor Grinder Bunnings

http://keeganfyld985.unblog.fr/2019/06/24/this-is-your-brain-on-house-slabs-melbourne-calconstructions-com-au/

The concrete pumped into a crawl area has more water included to it so that the concrete can self level itself. Picking to have damp, porous concrete installed in the crawl area is like including 300 lbs of water