A nonbituminous felt or a light roofing paper applied between the roof-deck and the roofing material to prevent adherence of the roofing to the roof-deck and to isolate the roofing from movements of the roof-deck.
A nonbituminous felt or a light roofing paper applied between the roof-deck and the roofing material to prevent adherence of the roofing to the roof-deck and to isolate the roofing from movements of the roof-deck.