Abstract: A panel assembly is provided for providing a seal between a vehicle, such as a delivery truck, and a fixed structure, such as a loading dock of an office building or warehouse. The panel assembly includes one or more panels that include a foam core and a layer positioned adjacent to the foam core. The layer may include laminated polymer sheets or any of a variety of rigid materials, such as steel, fiberglass, wood and aluminum.

Abstract: An engaging mechanism is provided for providing a seal between a vehicle, such as a delivery truck, and a fixed structure, such as a loading dock of an office building or warehouse. The engaging mechanism includes a receiving member, a resilient member a belt and a deformable medium. As the vehicle moves toward the fixed structure, the vehicle pushes against the belt, deforms the deformable medium and bends the resilient member to form a seal.