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Continuous Exterior Insulation

PIMA releases technical bulletin on continuous insulation systems in walls  December 20, 2011 e-Mail Print WASHINGTON, D.C. –The Polyisocyanurate Insulation Manufacturers Association (PIMA) has released a new technical bulletin titled “Continuous Insulation Using Polyiso Wall Sheathing: What it is, what it does and why you need it.” The bulletin outlines best building practices when using […]

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One product with many benefits

by David Braddy LEED GA Make your home stronger, energy efficient and healthier with one product Imagine a building product that will make your home stronger, more energy efficient and healthier. The product is closed cell Spray Polyurethane Foam (SPF), which is changing the way we build as more benefits are being discovered. A report […]

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Another great video on closed cell spray foam

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Diagnosing Moisture Problems in Wall Assemblies

Building Science Digests Download.pdf 1.4 MB BSD-108: Investigating and Diagnosing Moisture Problems By Joseph Lstiburek Created: 2006/10/27 Introduction Water is supposed to be easy to understand.  It only comes in four forms or states [1]. And the rules governing water movement are straightforward: Water runs downhill due to gravity. Air carrying water vapor goes from […]

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This is important to your homes health!

When Sunshine Drives Moisture Into Walls Helpful? 0 Sign in to vote When Sunshine Drives Moisture Into Walls Because of inward solar vapor drive, vapor diffusion from the outside inward is often more worrisome than vapor diffusion from the inside outward — so you need a good vapor barrier strategy Posted on Jul 2 by […]

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Diagram of two options for insulating a crawl space. Option 1 is  exterior foam insulation. A protective membrane covers exterior rigid  insulation and folds over top course of foundation block. Option 2 is  interior foam insulation. Labeled parts include a sill gasket, unfaced  insulation in a band joist, and a 6-mil poly vapor diffusion retarder. A  protective membrane overlaps and extends down insulation to provide  capillary break. Rigid insulation (fire-rated) has joints taped or  sealed. A perforated drainage pipe is embedded in gravel, covered with  filter fabric, and located at the lower perimeter of the foundation  footing to provide drainage.

One of the most overlooked areas of home health is under your house

U.S. Department of Energy – Energy Efficiency and Renewable Energy Energy Savers Crawl Space Insulation If you properly insulate your crawl space—in addition to air sealing and controlling moisture, you will save on energy costs and increase your home’s comfort. Before insulating or deciding whether to add insulation to your crawl space, first see our […]

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Quantum Mechanics – Key to Green Energy?

Scientists Find Photosynthesis Depends on Quantum Entanglement Researchers at DOE’s Lawrence Berkeley National Laboratory (LBNL) have discovered that photosynthesis depends on a relatively obscure physical phenomenon called quantum entanglement. Photosynthesis is the highly efficient process that plants use to convert sunlight and carbon dioxide into sugars and other chemicals, and scientists hope to one day […]

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Solar is Gaining Ground

U.S. Solar Industry Reports Strong Growth in 2009 The U.S. solar industry reported strong growth in 2009, overcoming harsh economic conditions to post a 36% increase in revenues, which totaled $4 billion. The Solar Energy Industries Association (SEIA) released its 2009 annual report on April 15, showing that overall U.S. solar electric capacity grew by […]

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