Moist lumber is susceptible to fungal staining. This staining does not cause physical decay, but it looks bad. Commonly called "blue stain," the offending fungi may be yellow, orange, purple, gray, or red in addition to shades of blue. The stain penetrates into the sapwood and cannot be removed by resurfacing.
Behind the Scenes on LEED 2012: New Developments in Credit Documentation, Reference Guides, and More
As we've seen from the LEED 2012 drafts and public comment periods, major changes are underway for the LEED rating systems. So many changes resulted from the 3rd public comment period, in fact, that USGBC announced a 4th public comment period, to run May 1–15.
[Editor's note: Today's guest post is authored by Bill Walsh, Executive Director of the Healthy Building Network.]
When building products carry different green certifications, how do you know which product is best? Maybe there is a way to compare apples and oranges.As green certifications and labels have proliferated, so has greenwash. Even among legitimate certifications, conflicts and inconsistency have made them hard to understand.
We've been hearing for years that "they're going to ban the incandescent bulb"--is that for real?