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More stories about Concrete

  • Hurricanes: Why Stucco Walls Got Wet

    Designs, methods, codes, and workmanship all played a role in Florida’s soggy storm experience.

  • Why Doesn't a Post-Tensioned Slab Buckle?

    Q: Is it possible that a post-tensioned garage slab could literally buckle in half when the tendons are tensioned, or does rebar in the slab prevent that from happening? Also, why are these types of slabs so common in Las Vegas? Is it because of the soil?

  • Fixing a Radiant-Tubing Leak

    Q. I have a leak in my recently installed radiant tubing, no doubt caused by freezing last winter before the system was fully operational. The tubing is a 300-foot run buried in a 4-inch concrete slab. Is there some kind of "stop leak" that can be circula

  • Tool Test: Compact Rotary Hammers

    The best tools hit hard, drill fast, and stop immediately if the bit jams.

  • Replacing a Leaking Chimney Cap

    Built with concrete rather than mortar and detailed to shed water, this chimney cap should outlast the chimney beneath it.

  • Backfill

    Canadian students hit the slopes — hard — with concrete toboggans

  • Toolbox

    Framing tools; job-site communication; DeWalt demolition hammer

  • Exposed Aggregate Concrete

    A concrete contractor explains how he creates good-looking walks, drives, and patios by combining aggregate finish concrete with inlayed brick and stone.

  • Curing Concrete in Hot Weather

    Q. I've recently moved my contracting business to the South. Concrete finishers here tell me that a slab poured outside on a hot day won't cure properly unless it's kept wet. They do this by having someone periodically spray the slab with water from a hos

  • Making Old Stucco Look New

    A Northern California stucco contractor describes how he uses foam-based trim and pigmented finish coats to revitalize tired stucco exteriors.