Luton box roller door help

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I have 2 ford transit Luton box vans
The roller shutter is held together with hard plastic/rubber seals.
The seals are worn and one of the doors has split in 2
Have tried to put hinges on but it doesn’t work as need to split a bit when it’s going up at the top
Does anyone know of a solution or a fix for this as I can not find the seals anywhere have contacted ingimex on 3 occasions but they have not replied.
Any help would be appreciated

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[V184]

GM Billings Body Builders Ltd
Truck repair shop in England
Address: Unit 4, Weald Hall Farm Commercial Centre, North Weald, Epping CM16 6FJ
Hours: Closed ⋅ Opens 7AM Mon
Phone: 01992 560876

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Dumbell hinges