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Definition of House wrap

House wrap

Just like that windbreaker you slide into on a chilly day, this protective barrier helps to keep the elements out. Typically a plastic or spun-fiber polyethylene textile material, the thin film is installed beneath exterior siding on a house or other building during the framing stage; it is breathable, but acts as an air barrier to make the structure more energy efficient. It also blocks rain from soaking the walls, which can lead to mold and rot.
 

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Acid rain
This environmental buzzword may take you back a few years, and it's true it gets less press today,... more
 
Acrylic
A fleece blanket, an artist's paint, an airplane windshield. What these things might have in common... more
 
Aggregate
As a kid, you might have known aggregate as the worst part of getting a skinned knee. This... more
 
Antimony
This brittle, silvery white heavy metal occurs naturally in the Earth's crust. Antimony is mixed... more
 
Asbestos
There is little debate about the dangers of this silicate mineral fiber, once commonly used in... more
 

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Quiz of the Day
    Q: What's the best way to buy a book if you're looking to minimize your environmental impact?

Green Tip of the Day
   Learn Online

If you're planning to earn some course credits at the local college or university next...

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Word of the Day
   Ultraviolet (UV) radiation

Gone are the days of roasting on the beach in nothing but tanning oil. We're wearing more sunscreen than ever, and this type of electromagnetic energy, radiated from the sun, is the reason why. It has a shorter wavelength than visible blue or violet light and can lead to sunburn and related health problems, such as skin cancer. UV radiation is classified into three types: UVA, UVB, and UVC-the last of which is completely absorbed by the stratospheric ozone layer and oxygen. The first two, however, reach the Earth's surface. While the ozone layer provides us with protection from most UVB rays, the thinning of that layer has allowed for more of this radiation to reach us-bringing with it the rising popularity of floppy hats.
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How to Guides
   How to Talk to an Architect about Sustainable Homes

Seeing pages and pages of glossy magazine photos of sustainable homes replete with glass panels...

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