Penebar SW-45 is a hydrophillic waterstop that will start expanding within a few hours when exposed to water. It is a sophisticated water-sealing product that encapsulates hydrophilic materials into a rubber base to create a permanent seal of your construction joints.

This type of hydrophilic bentonite-type waterstop is mainly used when you need a quick stop the ingress of water that has already been or could imminently be an issue.

  • Size: 24W x 19H (mm)  –  6 x 5m rolls (30m total)