The bulk of the work for a new 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. Then ...

DEAR TIM: My new home is under construction. I’m in a disagreement with my builder about what’s going to happen under my garage slab. Right now there’s a trench around the inside on all four walls ...