Duct sealing systems available from Cable Jointing Solutions. Our duct sealing systems are ideal for cable or pipe penetrations in ducts and conduit. We supply Filoform and Roxtec branded systems, including Filoseal and MDIII, with a range of polyutherane, flexible silicones. Our duct sealing systems are suitable for PE, PVC, water and others. If you require more information please get in touch on 01922 714 297 or email us.