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Features

Letters

  • Letters

    Hardware corrosion from PT lumber; upside-down beam design

     

News

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    In the News

    Sealed crawlspace testing sheds new light on energy performance ; Advanta shuts down its credit cards; students win clean-energy prize for rice-husk insulation panels; more

     

Q&A

  • Tree Roots and Foundation Cracks

    Can the roots of a tree actually dry out the soil beneath a foundation enough to cause the concrete to crack?

     
  • R-19 vs. R-20 Wall Insulation

    The federal stimulus plan's energy tax credits for insulation are based on the 2009 IECC, which raises the wall insulation requirement for climate zones 5 and 6 from R-19 to R-20. To meet this requirement, the R-value of the cavity insulation must be at least 3.63 per inch. Does this mean that...

     
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    Leaky Air-Conditioner Coil

    After replacing both a condensate pan and a pump, the plumber fixing my client's leaky air-conditioning coil finally determined that the problem was actually in the condensate drain. The drain's small trap was clogged with a mucuslike substance; unclogging it was a simple repair that took just a...

     

Business

Products

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    Products

    Drywall shim on a roll; truss spacer; replacement sliders; zero-VOC primer/stain-blocker; heavy-duty garage doors; more

     

Toolbits

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    Ridgid Commercial-Duty Pressure Washers

    Ridgid offers two new pressure washers built with Subaru engines and Cat pumps — components the company considers commercial-duty.

     
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    Cuffsox Work Socks

    Cuffsox were designed on the job by a contractor to keep sawdust and dirt out of his boots.

     
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    Husky Tripod Lamp

    Many work lights are directional, but Husky's 360-degree light on a tripod will illuminate an entire room.

     
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    Magnum Precision Ultra-Lite WPi CT Boots

    Magnum's Precision Ultra-Lite WPi CT boots feature a plasma-based waterproofing treatment that the company says was originally developed for the military..

     
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    C.H. Hanson Precison Ball Level

    Inspired by the horizon- indicator instrument found on airplanes, C.H. Hanson's new Precision Ball Level uses a weighted floating ball to find level, plumb, and any angle or slope in between.

     
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    DeWalt DC020 Portable Work Light

    DeWalt's DC020 is a portable 38-watt fluorescent work light that runs on the company's 12- to 18-volt cordless tool batteries or line voltage.

     
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    Duluth Trading Fire Hose Canvas Pants

    Duluth Trading Co. says its Fire Hose canvas pants are tougher than most other work pants — but the dense weave can be a bit warm in the summer.

     

Backfill

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    Marine-Quality Columns

    Miami’s STA Architectural Group originally planned to use solid ipe for the eight columns on this high-end residence, which is currently under construction in Bal Harbour, Fla. But when logs of sufficient size turned out to be unattainable, the firm asked Orleans, Mass., boat-builder Suzanne Leahy...