Hi Guys I have 2 Duotone unit wings now where the pipe on the bladder which connects it to the strut has come un stuck from the bladder and also the clear dump valve on the leading edge.I ordered and fitted an self adhesive pipe It lasted for a couple of sessions then the glue became tacky and it leaked and left sticky residue on the bladder that is very hard to remove has any one had this problem and found a glue that will work on the bladder cheers Rich
That video is like the 'standard' procedure, using isopropyl alcohol to remove glue residue, should be same for all valves, I have had some success with nylon glue but it is very difficult to use as it makes the material curl up and wrinkle very fast. I sold my Duotone because I was fed up with valve issues, otherwise great wing. Also you could just remove the dump valve and patch over, then deflate will take longer but problem solved!

Hi RAF142134 thanks for the reply I asked the question on another forum and they just replied with this product I haven't had any issues with punctures but you're right these valves attached to the bladders seem to come unstuck after a couple of years thanks for the info