Energy Efficient Building

  • CertainTeed. EnergyEdge insulates concrete slab edges, which the company says can account for 8% to 24% of a homes energy loss. The R-10 system consists of PVC rails, snap-on braces, and expanded polystyrene insulation. A retrofit product also is available. 800.233.8990. www.certainteed.com.

    Concrete Slab Insulation System From CertainTeed

    CertainTeed. EnergyEdge insulates concrete slab edges, which the company says can account for 8% to 24% of a homes energy loss. The R-10 system consists of PVC rails, snap-on braces, and expanded polystyrene insulation. A retrofit product also is available. 800.233.8990. www.certainteed.com.

     
  • Johns Manville. The companys offerings include JM Corbond III, a medium-density closed-cell polyurethane foam with an R-value of 6.6 per inch that can be used alone or in hybrid systems with fiberglass to create affordable applications. New to the portfolio is ocSPF, an open-cell insulation with an R-value of 3.8 per inch; according to the maker, the products blowing agents are made with 100% reactive catalysts to minimize emissions during spraying. Finally, the manufacturer offers IB Coating, a fire-retardant spray that adheres to polyurethane foam and other substrates to provide an ignition barrier. JM ocSPF and JM IB Coating have been third-party certified by ICC-ES, and JM Corbond has been third-party tested by IAPMO-ES. 800.654.3103. www.jm.com.

    Product Review: Spray-Foam Insulation

    Spray-foam insulation can definitely crank up the performance of your homes, if you make the right choices. Here's what to look for.

     
  • The Sage feels much larger than its 1,447 square feet, the judges commented.

    Merit Award: The Sage, Eugene, Ore.

    A compact lot and small footprint don't stop this ultra-green demonstration home from living large.

     
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    Building Science: Micro-Managing Moisture

    Moisture and heat can compromise the short-term performance of adhesives, coatings, sealants, and finishes. Here's how to avoid issues.

     
  • High transoms along the roofline heighten the indoor-outdoor connection and frame distant views.

    Grand Award: Truro Residence, Truro, Mass.

    Spatial separation and flexible mechanical zoning help balance seasonal occupancy swings in this custom home overlooking Cape Cod Bay.

     

  • LEED Building Performance Data-Gathering Program Opens

    The U.S. Green Building Council's Building Performance Partnership program aims to establish new benchmarks for LEED-certified building performance.

     

  • Meritage Homes Offers Highly Efficient, Super-Affordable Houses

    Production builder maintains low price point--starting in the mid-$170s--for homes in Arizona’s Lyon’s Gate community, which include a super-efficient solar system and tight envelope to exceed Energy Star requirements.

     
  • Greenfiber. Premium Grade Retrofit cellulose blownin wall and attic insulation features an allborate fireresistant formula. The new formulation also provides a higher level of dust suppressant the firm says and is easy to install over any existing insulation. It provides an installed Rvalue of 13 at 4.1 inches 19 at 6.1 inches and 30 at 9.4 inches. The product is SCScertified for 85 recycled content and carries Energy Star certification. 800.228.0024. www.greenfiber.com.

    Cellulose Insulation From Greenfiber

    Greenfiber. Premium Grade Retrofit cellulose blown-in wall and attic insulation features an all-borate, fire-resistant formula. The new formulation also provides a higher level of dust suppressant, the firm says, and is easy to install over any existing insulation. It provides an installed R-value...

     
  • Gaco Western. HFCblown WallFoam 184 BIO sprayfoam insulation is derived from naturally renewable oils postconsumer recycled plastics and preconsumer recycled materials. The Class I firerated foam offers an average Rvalue of 6.2 per inch the firm says and can reduce a homes carbon footprint by up to 13 a year the company claims. 877.699.4226. www.gaco.com.

    Recycled-Content Spray-Foam Insulation From Gaco Western

    Gaco Western. HFC-blown WallFoam 184 BIO spray-foam insulation is derived from naturally renewable oils, post-consumer recycled plastics, and pre-consumer recycled materials. The Class I fire-rated foam offers an average R-value of 6.2 per inch, the firm says, and can reduce a home’s carbon...

     
  • Icynene. MDR200 mediumdensity sprayfoam insulation uses 100 waterblown technology. The insulation provides an Rvalue of 5.2 per inch and offers a low vapor permeance for use in areas with higher levels of humidity according to the company it also is ideal for projects requiring the enhanced structural strength of a more rigid foam. 800.758.7325. www.icynene.com.

    Water-Blown Insulation From Icynene

    Icynene. MD-R-200 medium-density spray-foam insulation uses 100% water-blown technology. The insulation provides an R-value of 5.2 per inch and offers a low vapor permeance for use in areas with higher levels of humidity; according to the company, it also is ideal for projects requiring the...

     
 
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