shifting or unevenness in your slab caused by direct contact with the ground. It also prevents issues like water pooling underneath the concrete and reduces the likelihood of erosion and settling.

Start to prepare the site for concrete by driving four stakes to roughly indicate the corners of the new slab and use a line level and string or builder’s level to see how much the ground slopes.

Pros and Cons of Buying a House on a Concrete Slab Mark Cussen, CMFC, has 13+ years of experience as a writer and provides financial education to military service members and the public.