AssaFlex is a durable and versatile expansion joint system with unique properties such as puncture resistance, flexible and waterproof with 8 No standard models designed to accommodate movements of up to 150mm.The combined compound of RSS1, standard PBR with inner stainless steel sheets forms a formidable membrane with plenty of flexibility to withstand various pressure and movements including vertical.Stainless steel are shut blasted and laser cut to form a high quality steel for bonding and installation precision before factory vulcanised.