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FiloSeal+ Duct Seal

Duct sealing system FiloSeal+ is a solution for sealing cables and pipes in ducts or bore holes.

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

The Filoform duct sealing system FiloSeal+ uses our MD+ sealant which is easily applied from a standard skeleton gun. The high quality, one component, flexible sealant “MD+” is based on a silicon compound that cures with air (Humidity).

After application and full curing the thixotropic MD+ forms a plastic elastomer mass with special qualities effectively sealing and bonding, while providing a high level of durability.

FiloSeal+ is very easy to apply regardless of the type of cable scenario in the cable ducts as it uses a uniquely shaped foam piece which positions neatly around the cables or pipes in the duct.

The unique design of the tri-flexible foam makes positioning and separation of the cables very simple while also providing a backing for the MD+ to be applied on.

This seal is easily installed in vertical scenarios while providing the added security of ensuring no loss of components down the duct.

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

  • Flexible, one component, adhesive and sealing compound in a cartridge – (310ml)
  • Kits are complete with backing and mastic to fill an empty duct of the quoted kit size
  • High levels of Gas and Water tightness
  • Excellent adhesion
  • Shows Fire resistance properties
  • Resistant against Water, Alkaline, Chemical agents
  • Resistant to, Petrol, Diesel, Ethanol, ASTM oil, LPG & Many more.
  • Suitable for sealing underground cable ducts set out within the APEA ‘Blue Book’
  • Resistant to Hydrogen Sulphide / Methane and many other Gases (NedLab)
  • Non-corrosive
  • Solvent-free
  • Shock absorbing
  • Non-toxic, neutral and almost odourless
  • Also suitable for limiting the EX-zones during transitions (observe chemical resistance)
  • Complies with 2011 NEC Articles 225.27, 230.8, 300.5(G), 300.7 (A) on Raceway Seals, and 501.15 (B)(2)
  • WIMES Compliant, (3.02 2013 clause 6.4.3.2 d)
  • Suitable for any shaped duct /borehole/opening
  • Quick and easy installation
  • A complete kit for one duct
  • Seals common materials (PVC PILC)
  • Suitable for renovations, can be installed retrospectively
  • Over 25 years of operational experience
  • Thames Water Approved
  • Welsh Water Approved
  • Severn Trent Water Approved
  • Southern Water Approved
  • Anglian Water Approved
  • South East Water Approved
  • Yorkshire Water Approved
  • Bournemouth Water Approved
  • Scottish Water Approved
See Specifications
FiloSeal+ Duct Seal Specifications
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Product Name: Duct Diameter min – max (mm) Maximum Cable Diameter in duct (mm)
FiloSeal+ 125mm 125 max 95
FiloSeal+ 200mm 200 max 160
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FiloSeal+ Duct Seal

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If you require further information or would like a quote, please drop us an email using the form below. Our expert team aim to get back to you within 48 hours. Alternatively, you can give call us on 0121 269 3852, our team are on hand to discuss more.