damo said:Thanks for that vote of confidence Moseley, good to hear.
For your info, Newton Commercial do pvc backing sheets to place onto the door card to help the water resistance, so that may be an alternative as you will have to take the door card off anyway to pva it. It gives you another option.
http://www.newtoncomm.co.uk/cars/vw-camper-van/model-130/panels/5283-vw-t2-pvc-inner-door-liners/