WFP2 Ridge Ventilation Roll (Product Specification)ItemSpecificationProduct CodeWFP2Material IntroductionThe core layer is breathable   polypropylene material, with aluminum stretch hems on both sides. The   self-adhesive layer is made of high-performance butyl rubber, ensuring   long-lasting and firm adhesion.Material Width280mmMaterial Specification10m/rollAvailable ColorsReddish-brown, Dark gray