For sale is a 4 pack of sound proof foam purchased from Grainger. All 4 pieces have never been used and were only taken out of the box for photos. The photo next to the door shows the size of each piece. These are grey in color and have a .8 coefficient. New these sell for $280 for the 4 pack. These work well for home theater, music rooms, office spaces or any other area where you want to dampen sound. I have 4 sheets in my drum room and it cut down on the reverberation heavily.
I could separate into individual pieces but I prefer not too. Obo
Looking for $125 OBO.
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