Concrete Forms and Pouring a Concrete Slab | The Family ...
The bulk of the work for a new DIY concrete slab is in the excavation and form building. If you have to level a sloped site or bring in a lot of fill, hire an excavator for a day to help prepare the site. ... We used crushed concrete, which compacts and drains well. Spread the fill in layers no more than 3 in. thick and tamp each layer with a ...