Sikaplan® WT 4220-18 H

POLYOLEFIN MEMBRANE FOR POTABLE WATER TANK WATERPROOFING

Sikaplan® WT 4220-18 H is a polyolefin flexible, homogeneous, smooth sheet membrane. Thickness 1.8 mm. For temperatures up to +40 °C. Approved for potable water, the product provides a microbiological, soft and hard water resistant, durable and heat weldable membrane. Suitable for use in hot and tropical climatic conditions.

  • Approved for contact with potable (drinking) water
  • Contains no solvents, fungicides, heavy metals, halogens or plasticisers
  • Resistant against permanent water temperature up to +40 °C
  • Resistant to microbiological degradation
  • Flexible in cold temperatures
  • Suitable for contact with soft and hard water.  
  • Can be installed on damp and wet substrates
  • Heat weldable
  • Temporary UV stable (350MJ/m2 acc. EN 12224)
  • Bitumen resistant