Flexible sealing tape

For the watertight sealing of joints in internal areas

The fermacell Flexible Sealing Tape is a specially coated, alkaline-resistant and permanently elastic polypropylene material. It is a component of the comprehensive fermacell sealing system with general building authority test certificate (P-5079/1926 MPA-BS).


  • Transversely flexible and longitudinally stable
  • Extremely elastic, resistant to ageing, high tear resistance
  • Sealing against humidity over the entire width of the Flexible Sealing Tape
  • Secure connections with fermacell Waterproofing Application and fermacell Flexible Tile Adhesive
  • High compatibility: Compatible with commercial tile adhesives and solvent-free coatings and compatible with silicone sealants