FERMADUR®-C is a compression seal made of chloroprene rubber (CR) for UV and ozone stressed joints.

  • Can be installed in almost any weather conditions.
  • No primer or adhesive is needed.
  • Quick and professional installation by trained personnel.
  • Withstands water pressures of up to 1.0 bar.
  • FERMADUR®-C is a sealing profile made of vulcanised, cellular rubber with a closed-cell smooth surface and circular cross-section. 
  • Reliably seals joints using restoring forces, which are created by the deformation of the sealing profile when it is installed in the joint. It is not necessary to glue the joint edges. FERMADUR®-C can even be used on unsealed joints that are subject to constant water pressure (of up to 1.0 bar).

FERMADUR®-C : Industries and solutions

Measurement of a joint finished in concrete

For many years, FERMADUR®-C has been used successfully to seal joints in sewer construction and has been proven a highly effective sealant for joints in sewage treatment plants.

In order to obtain an optimum seal, the joint width should be measured using a dial gauge when working with FERMADUR®-C.

The photo provided by Bauverfugung GmbH shows such a measurement on a floor protection wall in eastern Germany as an example.

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