anyone here try raam audio deadner ?

[bdog]

http://www.raamaudio.com/package-1-20-sheets-of-raammat-bxt-ii-37-5-sq-ft-and-3-yards-ofensolite-iuo-peel-and-stick-41-625-sq-ft/

i can get a good deal on this locally and wanted to know if it was any good