Sikaplan® WT 4220-15 C Felt

1.5 mm thick FPO sheet waterproofing membrane for water tanks with fleece backing

Sikaplan® WT 4220-15 C Felt is a 1.5 mm thick sheet waterproofing membrane. It contains an inlay for restraint, a fleece backing and is based on flexible polyolefin (FPO-PE).

  • Certified for contact with water for human consumption
  • Easy to clean and low maintenance
  • Proven performance over decades
  • Contains no fungicides, heavy metals, halogens or plasticisers
  • Good resistance to ageing
  • Integrated fleece backing cushion/levelling layer
  • Good resistance to microbial degradation
  • Flexible in very cold temperatures
  • Suitable for contact with acidic (soft) water