CS Expansion Joint Covers (EJC) offers many types of joint covers for parking garages and stadiums. C/S has significantly enhanced parking garage construction by introducing several innovative cover designs. Choose from a variety of winged seals, compression seals and metal seismic covers. The revolutionary, one-piece Zip Block parking expansion joint system installs without the need for messy elastomeric concrete. Available in 5 standard roll sizes; 20', 30', 65', 130', & 200'.