Slab on Grade
Raft slabs - how to build insulated frost protected shallow foundations (FPSF) on problem soils
...ons instead of going the traditional route for building foundations in a cold climate or on expansive clay soils, the risk of encountering inconsistently poor soil quality at the depth of traditional foundations is also avoided, so a raft slab on any site can avoid possible costly surprises once excavation has begun. G...
