Nuevo Roof Lining

I have a 2006 Nuevo and have noticed that the roof lining above the bed over the cab has started to sag. I presume due to the adhesive breaking down from the effect of age and heat. Does anyone know of a repairer in Hampshire or Wiltshire who undertake repairing this kind of problem.

Have you done a damp check

Thanks for your reply sorry for late response. There is no damp, the lining has come away from the board because the contact adhesive has broken down with age and heat. I am looking for someone who can remove the boarding and re glue the fabric back.I am not s agile as I used to be so I would prefer someone else did the work.