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More stories about Insulation

  • What's New in Insulation?

    Improved materials and hybrid systems make it easier to build energy-efficient houses.

  • An Ice Dam Analyzed

    An engineer’s report shows that in snow country, soffit-to-ridge venting is typically the most practical way to prevent ice dams in cathedral ceiling assemblies.

  • Wrong-Side Housewrap

    Q. While preparing for an extensive remodeling project, we discovered that the housewrap was installed underneath the exterior 7/16-inch plywood rather than on top. According to the scope of work, we are supposed to install 1/2-inch foam board with taped seams over the entire exterior. Will the...

  • Double Insulated

    Owens Corning’s EnergyComplete System has two components: a latex-based spray foam and blown-in fiberglass insulation.

  • Can Mold Give You Headaches?

    You bet it can: When it comes to this pervasive fungus, a little can go a long way toward wrecking a job.

  • JLC Report

    Can replacement windows live up to energy claims?; keeping basements dry; Florida prepares for global warming; more

  • Insulating a Slab With Spray Foam

    Closed-cell polyurethane provides a vapor barrier and good R-value in a single application.

  • Letters

    Coordination between subs; barrier-free showers vs. code; don’t ventilate crawlspace with moist outdoor air; code article misses the boat; more

  • Retrofitting Exterior Insulation

    Adding rigid foam to the outside of the shell dramatically increases R-value while reducing thermal conduction.

  • Manufactured Deck Railings

    A list of companies that offer deck-rail kits, plus links to their products