Expandable closed cell polyethylene cord, compressible, to properly assess the depth of the expansion joints (creation of the “third wall” or bottom of the joint) before being filled with FLEXSEAL 301 polymeric sealants. It is available in Circular section profiles of different diameter that adapt to joints of any shape and size. Suitable for any type of joint between prefabricated elements, bodies of different structures, partitions, pavements.
