Product Description
                                                                                                Low density, open cell polyurethane
foam backing rod.
Uses:
 As a bond breaker/joint profile former to support elastomeric
sealants in expansion joints between all common building
materials
                                                                                                View more at www.fosroc.co.nzhttps://www.fosroc.com.au/sites/default/files/products_file_storage/Fosroc_Expandafoam_Open_Cell_TDS.pdf