Slab on Grade
how to build a slab-on-grade on standard soil
...insulation, and after forms were removed, that wood was used for framing.
Slab-on-grade forms © Ecohome
3. Plumbing and mechanical infrastructure
All plumbing infrastructure (water pipes, drains, radon stack, central vac, power conduits, etc.) was put in place next, below the coming insulation and concrete....