This will prevent any water vapour not ventilated making it s way to the metal and eroding it over time.
Camper van roof lining.
With all of the plywood lining to the floor roof and sides of the camper van in place i had a nice clean interior surface ready for final finishing with some four way stretch carpet lining.
Installing the van s automotive carpet lining step 1 we began the job by taking off the black weather stripping that runs along the edge of the opening.
Cutting the roof panels ply lining the camper van interior checking the plywood fit before fixing.
Although there is an extra step in lining the van with plywood first in the long run i think it gives a cleaner finished product.
The 7mm liner is a thermal equivalent to 100mm of glass wool.
Many camper conversions add a vapour barrier over the top of the insulation and before lining the walls and ceiling.
These products have been used for many years to gives even diyers a professional finish to campervan conversions motorhomes.
This would allow us to trim the upholstery to size in place and not worry too much about how that cut looks.
You can achieve a better level of insulation in the van by batoning out the shell fitting thicker insulation in the van and then plying over the insulation.
There are other advantages to the fully ply lined van also.