Available in box style versions, the Wabo®Modular joint systems effectively seal the joint gap, while keeping runoff water from passing through to the substructure. The box seal system provides the ultimate in sealed modular joint design and reliability. Wabo®Modular joint systems are comprised of five important design features. These features make the Wabo®Modular system tough, long-lasting, watertight and virtually maintenance free. Field proven under the toughest bridge conditions everywhere in the world, the Wabo®Modular joint system is made to order in accordance with the highest fabrication standards and can be engineered to meet a variety of conditions and movement requirements.