FiloSeal+ HD provides a strong support system using the hexagonal tubes which builds up like a honeycomb structure.


FiloSeal+ HD is suitable for sealing any cable configuration or pipes contained in one duct and also allows easy re-entry of the seal to add or remove cables or pipes as required.

The Filoform duct sealing system FiloSeal+ HD uses our MD+ sealant which is easily applied from a skeleton gun.

The high quality, one component, flexible sealant “MD+” is based on a silicon compound that cures with air (Humidity)

  • High levels of Gas and Water tightness
  • Excellent adhesion, applicable to all common building materials
  • Shows Fire resistance properties
  • Resistance against Water, Alkaline, Chemical agents
  • Non corrosive
  • Shock absorbing
  • Complies with ATEX regulations
  • Suitable for any shaped duct / bore hole / opening