Slab on Grade
Raft slabs - How to build Insulated Frost Protected shallow foundations (FPSF) on problem soils
...expansive clay and with significant localized potential for frost heave - Ecohome chose instead to install a pre-engineered frost protected shallow foundation forms system.
The photos below are images of drainage measures that were required to support a thickened-edge footing slab-on-grade floor on a site with a high...