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If you are dealing with design, engineering or manufacturing and use of membranes and liners and you have a specific question about liners or membranes?  Our experts will look into it together with you and find a solution, based on years of experience.  

An outline for membranes:

  • Gas holder membranes and membranes for flexible roofs, used for flexible storage and buffer of (bio)gas installations and tanks for fuels and other chemicals
  • Expansion vessel membranes
  • Membranes for desalination, separation and (reverse) osmosis
  • Membranes in fuel cells, (semi-)permeable membranes
  • Tank liners for storage of water, oil, chemicals
  • Pipe liners for sewage and drinking water piping systems
  • Pipe liners for oil & gas piping systems.

An outline for liners:

  • Tank liners
  • Sewage liners
  • Pipe liners
  • Barrier liners 
  • Rubber and plastic composite liners.

Solutions for you

If you need an inspection to be done?An approval or certification? Your question is our challenge. We can help you in all cases where questions arise and problems need to be solved with respect to the quality of membranes and liners.

More information

Please feel free to contact us at

About Kiwa

Kiwa has specialized business units that focus on specific market segments, in the Netherlands and internationally. We offer specialist services in areas such as energy and water, fire safety and security, infrastructure, roof and facade advice, sports facilities and training. You can contact these business units for testing, inspection, certification, training and consultancy tailored to your market segment.