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More stories about Concrete

  • Stepped Buttresses for a Row House Basement

    As part of a major gut-renovation project on a historic Brooklyn row house, contractor Jose Maldonado and his crew excavated a new, lower basement space. The tricky part: buttressing the shared foundation walls that support neighboring homes along with the project house.

  • Q&A: The Best Way to Repair a Hole in a Concrete Slab Before Tiling Over?

    Michael Byrne, a veteran tile installer and consultant, explains two scenarios: The hole is to be covered up by something (such as a shower pan), or it will be covered directly with floor tile.

  • Rhino Linings Trowel-Top Coating

    Trowel-Top is designed for concrete resurfacing and repair and is simply troweled over existing concrete to create a smooth finish prior to applying stains or dyes.

  • Sticks to Concrete

    Florprufe polyolefin vapor barrier glues itself to the underside of a concrete slab

  • Slab Repair

    Abatron’s BestBond Crack Repair liquid-epoxy compound goes on with a standard caulk gun

  • Ancient Roman Concrete Has Lessons for Modern Scientists

    Built more than two thousand years ago, the concrete seaport facilities of ancient Rome are still solid. Now scientists are rediscovering the secrets of the Roman engineers’ lost art.

  • Dust-Free Adhesive Anchoring

    Hilti's HIT-HY 200 adhesive anchoring system for anchor rods and rebar dowels is approved by ICC-ES for use in uncracked or cracked concrete in all seismic zones

  • Easy Chair

    Prolok rebar and mesh chairs have locking heads, so no bar ties are required

  • Small Garage Foundation Repair

    A mobile concrete mixer solved both budgetary and logistical problems

  • Formwork for Carpenters

    Developed by a Utah contractor, the Spider Tie system is for builders and remodelers who want to do their own formwork