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Expansive soils can wreak havoc on conventional wire-mesh reinforced slabs. A California structural engineer explains why post-tensioned slabs have become a popular solution for building on problem soils.
Custom concrete pavers
Q. When compacting a gravel base for a slab, how can you tell when the gravel is compact enough?
A veteran contractor shares his method of repairing damaged foundations with tension rods and concrete deadmen.
Nobody's perfect, but some builders are more imperfect than others. A veteran troubleshooter describes some memorable on-the-job mistakes.
Forming and pouring four 2,500-square-foot houses is all in a day's work for this tract builder.
Q. I need to pour a thickened-edge slab foundation for a two-story garage apartment across a recently dug 2-foot-wide utility trench. The backfill over the trench has subsided, and I'm concerned that the foundation may sag and crack at that point. Can I add rebar to the slab to span this area, or...
Q. I have a client who wants me to build a 30x40-foot unheated barn-garage with a slab floor. The area where the building will sit is very flat, with no lower terrain nearby, so it's not feasible to build a typical 4-foot stem wall with a daylight drain. Frost depth is 48 inches around here...
Q. What's the right type of mesh to use in a mud-bed tile floor? Should I use a self-furring lath (like the type used in stucco work) so that it centers itself in the mud?
Pneumatically applied concrete isn't just for big commercial projects. A specialty concrete contractor describes the process and explains how it can save time and effort for home builders
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