This is an Exterior Seismic Expansion Joint Cover ideal for bridges and viaducts with large spans. It’s a heavy-duty modular joint cover that can be ordered in natural or SBR rubber. The system is UV, acid and alkali resistant and allow large movements to be absorbed at the same time provide remarkable comport traffic. The joint modules interlock with added sealant to ensure a water-tight fit and smooth transit for wheeled vehicles.