Sika Waterbar® DF AT

External waterbars for expansion joints

Sika Waterbar® DF AT are flexible, external waterbars for expansion joints made from PVC-P.

  • Permanent flexibility
  • Homogeneous waterbar
  • Suitable for low to medium levels of hydrostatic water pressure
  • Resistant to all natural mediums in soil and groundwater
  • Robust products designed for handling and installation on site
  • Suitable for thermal welding on site