Product Description
Medium density, closed cell
polyethylene backing rod.
Uses:
As a bond breaker/joint profile former to support elastomeric
sealants in expansion joints between all common building
materials.
Advantages: Compatible with all elastomeric sealants
Readily compressible
Low load transfer
Non gassing
No water absorption
CFC free
View more at www.fosroc.co.nzhttps://www.fosroc.com.au/sites/default/files/products_file_storage/Fosroc_Expandafoam_Closed_Cell_TDS.pdf