I know for a fact they carry 2" thickness
I was just there this week. Their last day at the current location is tomorrow, Friday, August 31. They open in their new location (the front of the Harbor Freight building, west bound side of Rt. 22 Green Brook) next Wednesday, Sept 5.
Melodie They do carry foam at a variety of thickness. However they are moving to another location, unsure if thr date
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