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Expanding Waterstop

Description :

This is a thermoplastic strip-applied, hydrophilic swellable construction cold joint waterstop. The profile has a bond-enhancing grooved surface and unique swelling properties(Expanding Waterstop)

Usage :

  • It is used for the planned sealing of construction cold joints

Features and benefits :

  • Dimensions: 22 x 6 mm
  • Weight: approx. 120 g/m
  • Tensile strength: (ASTM D412) 3 MPs (435 psi)
  • Elongation %: (ASTM D412) 750
  • Hardness Shore A: (ASTM D2240) 45 ± 5
  • Tear Resistance: (DIN 53507) 8 N/mm

How to use :

We recommend installing expanding waterstop using the special adhesive. Optional installation with powder actuated fasteners is possible, but the use of a grid-rail is not necessary. Splices are formed as butt-joints or simply overlapped. The substrate must be clean, free of any bond inhibiting debris such as dust, grease and ponding water. Do not install over voids.