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Filoform Filoseal+HD Duct Sealing

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High quality Filoform Filoseal+HD Duct Sealing products

What is tFiloform Filoseal+HD Duct Sealing?


The FiloSeal+HD duct sealing system is an engineered universal solution for sealing larger heavy cables and pipes in ducts, boreholes or transit frames of 75-110mm.

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 uses the Filoform MD+ sealant which is easily applied from a standard skeleton gun. The high quality, one component, flexible sealant is based on a silicone compound that air-cures. 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+HD is very easy to apply regardless of the type of cable scenario in the cable ducts as it uses strong, but flexible hexagonal tubes to support the cable and provide a strong backing for the seal. The unique design of the hexagonal tubes makes positioning and separation of the cables very simple while also providing a strong backing for the MD+ to be applied on.
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Our last working day of the year is Tuesday 23rd December. Final orders for delivery before Christmas should be placed by 2pm on Friday 19th December. Our trade counters in Tonbridge and Leeds will also remain open for collections on 23rd December. Both branches will reopen in the New Year on Friday 2nd January 2026.