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 [...]

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 [...]

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 [...]

If you are the type who likes to build it yourself or your on a tight budget, building your own Eco-friendly energy sources is easier than you think. Green Power Easy Guides are written by alternative energy design experts and are a must have for anyone that wants to save resources and cash by doing [...]