What is the difference between these:http://www.bakor.com/Residential/eaveguard.htm
http://www.ca.graceconstruction.com/product.cfm?mode=c&did=8&id=63#1649 (the ice and water shield)
And the name brand stuff, like dynamat, brown bread, edead, b-quiet, second skin, ect. ect. Can you...