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More stories about Slab

  • Q&A: Finding the Center of a Circle Using a Formula

    Q: The pros and cons of water-based urethane finishes; fixing a moldy crawlspace; reinforcing and sealing a concrete topping slab; more

  • Layout Under the Slab

    A construction superintendent explains how to avoid costly errors under slab foundations.

  • Q&A: Identifying Poria Fungus

    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&A: Foundation Trench Near Concrete Driveway

    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&A: Switching from 3-Wire to 4-Wire 240-Volt Appliance

    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?

  • Electrical Q&A for Remodelers

    A master electrician addresses questions and concerns about old and retrofit wiring on the typical remodeling site.

  • Resources

    Managing the subtrades; building problems primer; self-help for builders; more

  • Backfill: A Concrete Slab for Y3K

    A temple built to last a thousand years

  • Builder Time Bombs

    These common oversights will lead to early building failure.

  • A Quick Cure for Problem Soils

    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.