FlexWrap NF 9 inch x 75 ft.

Part of DuPont Flashing Systems. DuPont Flex Wrap NF is extendable flashing is engineered to help protect the window and door sill where water damage is most likely to occur. The product is made from DuPont Tyvek and a premium butyl adhesive. Extendable, flexible and self-adhering flashing Seamless protection on window sills, doors and around penetrations 100% butyl adhesive that won't stain vinyl windows Conforms around custom shapes