Slab on Grade
how to build a slab-on-grade on standard soil
...floors, in this case we used Rockwool mineral fiber insulation ( formerly known as Roxul) .
Note: Engineers at Rockwool could not confirm with us that their product had the compressive strength to carry the load under the footing, so where the weight of the walls would bear, we installed EPS foam.
Slab floors are o...