NS Closed Cell Neoprene Sponge 3/8" x 3" (50 foot roll)

For placing horizontally beneath relieving angle, or in the vertical expansion joint to act as a control joint. Also prevents clogging of expansion joint with mortar. Also Available - Solid neoprene for bearing pad conditions - ASTM D 2000 (60 durometer std). Closed neoprene material conforms to ASTM D-1056 class RE41 and 2A1, compressibility exceeds 50%.