Homes are built on a number of different support systems; the standard well known types on footings are slab, crawlspace, and basements. There are others that deal with particular soils conditions such as piers, grade beams, driven piles and engineered post tension slabs.
1.Your problems with a slab foundation are pretty straight forward. Slab foundations are built in one variation as one pour of concrete including the footing, walls, and floor system. The tendency of single pour solid concrete slabs is to crack because the concrete cures at different rates based on the thickness or mass. The floor system is normally 4