It's not necessarily a vapor barrier - It is far from insulation. For the reason that foil only items don't have any membrane (material in between the levels of reflective materials) transference of warmth and or chilly can arise. Do it oneself spray foam insulation cannot be done by yourself https://jual-grating-steel-suraba46891.bleepblogs.com/33948780/new-step-by-step-map-for-jual-glasswool-harga-terbaik