4GNomad
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I picked up three of those blue Ozark Sleeping Pads at Wally World to cut into strips to insulate the ribs, then tape. I just want to confirm that these are closed cell. The description says they are Polyolefin, which I read is non-porous. Does this mean it is closed-cell? It also does state that its 100% waterproof and moisture resistant. Wasn't sure if this was just the coating over the pad, or if the pad is truely closed cell.
http://www.walmart.com/ip/Ozark-Trial-Camping-Pad-Blue/16783660
http://www.walmart.com/ip/Ozark-Trial-Camping-Pad-Blue/16783660