Any Experience With Insulation?
I have recently bought a Ford E450 Box Truck which I will be converting into an RV. I have some work ahead of me! My first job will be to insulate, and I am thinking about using closed cell Poly...
Forum Discussion
If you spray 2" of foam, you' have about R14. If you cover the sprayed foam and wall studs with 1/4" polystyrene (fan-fold used for residential siding) and them install a 4 mil vapor barrier, you'll have R-16 and a complete thermal break from the exterior walls/ceiling. You can install any wall surface onto the inside. 1/4" plywood makes an excellent interior surface.
