Specifications name: water stopper
other name: water barrier, water stopper with a disk
type:D20material: nodular cast iron
weigh: 0.63kg
In application: Cast into the concrete wall between two tie bars, they allow ‘thru tie systems’ to be used in water retaining structures. Available with a 120mm x 120mm indented plate for maximum efficiency or as a plain metal sleeve, where access between reinforcement bars may be difficult. .