Vapour barrier

[triggermala]

Going to fit new interior foam and vinyl plywood panels. Would you recommend putting a plastic sheet vapour barrier between the panels and the body of the van. I have fully insulated all the cavities already.

[Aidan]

yes, recommended, especially if the insulation can absorb and hold water

[clift_d]

Yep. Try to make sure you tape down all the edges properly.

[triggermala]

I've used self adhesive foil backed foam and topped off with the diall loft insulation made from recycled plastic bottles from b&q.