The ATW Mechanical shoe plate seal has been developed into a market leading efficient and reliable shoe plate seal, often replacing outdated foam seal designs. The shoe plates are connected to the ?oating roof with scissor hangers and the leaf Pusher ensure long term vapour tightness. ATW manufactured shoe plate seals are custom designed and manufactured for each individual tank which eliminates problems that are common with off the shelf types of seals. The tank-specific design ensures a seal with superior performance.