ROKU System IWM III Plus

EI 90/120/240

Product description

The ROKU System IWM III Plus consists of high performance intumescent material ROKU strip which is wrapped in one or more layers around a plastic pipe or insulation. The wrap must be inserted into the wall opening flush with the surface. In the event of fire the intumescent material expands with high pressure sealing the opening hermetically against flames and smoke. For wall installations one wrap each side of wall is required, for ceilings one wrap on the underside of the ceiling.


  • Sealing of plastic pipes of PVC, PE or PP up to a maximum of 160mm.
  • Suitable for acoustic insulated sewage pipes.
  • Sealing of multi-layer composite pipes.
  • MLC pipe white or aquatherm green pipe MS


  • Flexible solution for different applications
  • Easy and practical to use.
  • Suitable for application in wet and humid areas
  • Technical data available on request.

Contact Us

  • Address: 5 - 6 Lansil Way, Caton Rd, Lancaster LA1 3QY

  • Phone: 01524 406088

  • Email: