29 May '13, 11pm

Great Video on Dense Packed cellulose

What tool is best for cutting InsulWeb fabric — scissors or a utility knife? What's the best tool for stapling InsulWeb? What's the maximum recommended spacing between staples? What are the minimum specs for an air compressor used to power a pneumatic stapler? What is lip stitching, and when is it necessary? What tool is used to make a hole in the InsulWeb when it's time to insert your cellulose tube? Where do you aim your tube first when you begin filling an empty stud cavity with cellulose? How can you tell when the cellulose has achieved 3.5 pounds per cubic foot density? What do you do if the insulation bellies out and stands proud of the studs? Does damp-sprayed cellulose have any advantages over dry dense-packed cellulose? How can you tell whether damp-spray cellulose was installed with too much water? If studs are spaced 24 inches on center, is it still possible to ...

Full article: http://www.greenbuildingadvisor.com/green-basics/video-de...

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Coal is the enemy of the human race, video edition

grist.org 30 May '13, 5pm

Here’s a short, plainspoken video from the Sierra Club that explains why coal sucks: (Kind of leaves out the role of natur...