Mixing Concrete for a 15-Foot-Square Slab
The trick to pouring a large slab by yourself is to form it into smaller sections.
Subgrade Tolerances for Insulated Concrete Slabs
The thicker the insulation, the more important a level subgrade is to prevent the...
Super-Insulated Slab Foundations
Compacted drainage stone and a thick layer of foam prevent frost damage and keep...
Lowering a Basement Floor
Gaining an extra foot or two of headroom in a basement isn’t easy, but it can...
One word describes successful concrete work: consistency. Exercise the same level...
Compacting Stump Holes
I'm about to pour a slab on a site where several stumps were removed, leaving 2- and 3-foot-deep holes about 4 feet across. The backhoe operator went ahead and filled in the holes with dirt from the site (sandy loam, pretty good stuff), drove over them a
Q&A: Is It Necessary to Compact Slab Sub-Base?
Q. We need to pour a 24x24-foot concrete slab for an attached garage next to a...
Q&A: Garage Slab Drainage
Q. How should a garage slab be sloped for drainage toward the overhead door? At 1/4 inch per foot on a 24x26-foot foundation, the height difference from front to back would be more than 6 inches. Do I need to grade the sand and gravel sub-base at the same slope so the slab can have a uniform 4-inch thickness?
Radon Vent Retrofit
A radon remediation contractor shows how to install vent pipes beneath a slab to...