High quality, closed cell polyurethane joint backing material for use with joint sealants and PU foams. Sika PEF Rod is pushed into joint gaps to form a uniform and firm base for controlling the depth of gun applied joint sealants such as Sikasil and Sikaflex .
No water absorption, closed cell.
No adhesion to sealants, sealant has unrestricted movement.
Approved for use in food areas (Australia Standard AS2170).