I looked through the Commercial Insulation Company, but I had no luck finding the 700 series. I am thinking about using a 1/2" 440 sound barrier, made by the Homasote Company. It is made from 100% recycled paper. This product is sold at Home Depot. Any opinions about this? Thanks.
Rock Wool or Owen Corning 700 Series
I want to make some wall absorbtion panels following Jon Risch's instructions, but I can't find Rock Wool or Owen Corning 700 series panels to go on the back of fiberglass. I searched for the Owen Corning website but there is not much information on the panels. Is there anybody who knows where I can get these panels or different panels with the same density? Thanks.