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A construction superintendent explains how to avoid costly errors under slab foundations.
Q: While renovating a home in New Jersey, I found a fungus-like growth a few inches long growing between the tile floor and the base molding in the bathroom. The house is on a concrete slab. Is there anywhere I can have this growth tested to see if it is poria?
Q: Our remodeling company has contracted to do a room addition that will be elevated over an existing concrete driveway. We will need to install a concrete footing at the edge of the existing driveway slab. I’m worried that when we excavate for the footing, the fill under the slab will cave into...
Q: How do you wire a four-wire 240-volt appliance (kitchen range or dryer) if there used to be a three-wire appliance there?
A master electrician addresses questions and concerns about old and retrofit wiring on the typical remodeling site.
Managing the subtrades; building problems primer; self-help for builders; more
A temple built to last a thousand years
These common oversights will lead to early building failure.
Surprise soils can complicate any project. When the excavation turns up weak or expansive clay, this low-strength ready-mix fill can provide a stable base for the foundation without busting the budget.
Q: A client wants a portion of a basement slab to have radiant heat to take the chill off the floor of a planned playroom (there will be supplemental heat). The hvac contractor wants the radiant tubing, which will be attached to wire mesh, to be lifted into the middle of the slab during the pour to...
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