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Air & Moisture Barriers

  • Avoiding Problems With Spray Foam (Subscriber content)

    To make sure you’re getting a good spray-foam installation, choose a certified contractor and run regular material tests.

     
  • Coastal Techniques: Aluminum Flashing

     
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    Using Shrink-Wrap To Keep Out Rain When Roof Is Under Construction (Subscriber content)

    Keeping dry with shrink wrap

     
  • What I Like: Grace Vycor enV Fully Adhered Weather-Resistive Barrier

    Roller- or spray-applied, Vycor enV covers all seams and fasteners in sheathing and serves as a premeable vapor barrier while protecting homes against air and water intrusion.

     
  • Air Barrier

    Sto Corp. Designed to meet new, more stringent building codes, StoEnergy Guard combines a fluid-applied waterproof air barrier system with a drainage mat to create an energy-efficient breathable wall assembly behind any type of cladding.

     
  • Open-Joint Siding (Subscriber content)

    In the Seattle area, where I work, we get a lot of rain. From the mid-90s to the mid-2000s, there were many high-profile cases of water damage caused by improperly detailed siding, mostly on condos and other multifamily housing.

     
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    Better Concrete Garage Floors (Subscriber content)

    Ten tips for pouring stronger, crack-free concrete slabs.

     
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    Working With Self-Leveling Floor Underlayments

    Flatten uneven subfloors quickly with these pour-inplace compounds.

     
  • CertainTeed. ProRoc drywall with M2Tech technology features a water-resistant core and moisture- and mold-resistant paper face. The product is Greenguard certified and is available in Type X panels. M2Tech is also available in the companys newest product, AirRenew, which absorbs formaldehyde and other aldehydes in the air and converts them into inert compounds that remain safely within the board. 800.233.8990. www.certainteed.com

    Moisture-Resistant Drywall From Certainteed

    CertainTeed. ProRoc drywall with M2Tech technology features a water-resistant core and moisture- and mold-resistant paper face. The product is Greenguard certified and is available in Type X panels. M2Tech is also available in the companys newest product, AirRenew, which absorbs formaldehyde and...

     
  • Siding With Cedar Shingles

    Install a tight weather barrier, choose top-quality shingles, and use smart production techniques.

     
  • Tiling Over Plywood Subfloors

    For crack-free floors, limit joist deflection and install two layers of 3/4-inch plywood and a thinset membrane.

     
  • Low-Profile Perimeter Drain

    The manufacturer of H-Cove claims that this retrofit basement water channel requires significantly less demolition and material replacement than other strategies for reducing basement moisture.

     
  • Lafarge. Mold Defense gypsum for interior wall and ceiling applications features a moisture-resistant core and treated paper facings on the front, back, and long edges. The product, which is made from synthetic gypsum, can be used as tile backer in dry applications or in areas where some moisture is expected, like bathrooms and laundry rooms. The wallboard is Greenguard certified. The company also offers a ready mix compound that does not generate dust. 800.237.5505. www.lafargenorthamerica.com.

    Moisture-Resistant Gypsum From Lafarge

    Lafarge. Mold Defense gypsum for interior wall and ceiling applications features a moisture-resistant core and treated paper facings on the front, back, and long edges. The product, which is made from synthetic gypsum, can be used as tile backer in dry applications or in areas where some...

     
  • Roof Venting in a Wet Climate

    Q: I'm planning to reroof an expanded Cape Cod on a barrier island off the East Coast, where strong winds and moisture from the ocean are common.

     
  • On Site With Zip System Sheathing

    Get faster dry-in and a tighter building envelope without housewrap.

     
  • High-Performance Homes on a Budget

    Well-thought-out details make energy-efficient houses both attractive and affordable.

     
  • Seal Seams In Crawlspace Liners

    The crawlspace of a home was consistently wet — in spite of the 6-mil poly liner. Here's how a builder fixed it to assure long-term durability of the foundation and floor frame.

     
  • Is Rain-Screen Siding Worth the Effort?

    It's good insurance against problems caused by wind-driven rain, but experts wonder whether the additional cost is necessary.

     
  • Waterproofing Membrane for Deck and Fence Posts

    Self-adhesive wrap applied to below-grade section is designed to preventag rot.

     
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    Structural Sheathing With Moisture Barrier From Drywood Products

    Drywood Products. Providing a structural sheathing with a laminated ice and water barrier, Drywood roof and wall panels eliminate the need for felt paper, ice and water shield, and an air infiltration barrier, says the firm. A seam tape provides moisture resistance at abutting edges, valleys...

     
 
 
 
JLC Field Guide to Decking