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 HB cover is a "Hybrid" compression seal incorporating built in reservoirs for epoxy adhesive. Available in 2 standard roll sizes; 25' & 50'.