Closed cell backing rod is a compressable polyethylene foam rod.
It is used as a backing for cold applied sealants in expansion/construction joints and building seal applications.
It is CFC free, non toxic, odourless and has no adhesion to sealants.
Product uses include as a vertical and horizontal joint filler, window glazing seals, precast concrete panel joints and vibration dampening.
Open cell backing rod is ideal for use with one part sealants.