Thanks Mark, Mike, for the kudo's on the layout. Thanks to Tom and Jay with info on Homasote.
Tom and Jay, I did look up retailers on the Homasote website, and unfortunately the closest non big box Lumber Yard with inventory is 35 miles from my home in some of the worst Bay Area traffic (Argh)! That's okay, the BP product is very much just like Homasote and I'm fine buying Canadian products. So if you can't find Homasote, try the BP sound board product. Just another option.
Note: Both Homasote and BP Sound Board are soft enough to cut with a sturdy metal box cutter, not the cheap little plastic ones. I just use a steal straight edge and the box cutter to score it, and then the next cut will follow the score line and cut all the way through. This way you avoid all the nasty light weight dust that goes everywhere if you use a saw, power or otherwise.
Thanks again,
Scott
