Self adhered butyl flashing that helps prevent water intrusion at window and door sills without mechanical fasteners
DuPont™ Tyvek® FlexWrap™ NF is a stretchable and flexible tape made up of 3 components: a crimped DuPont™ Tyvek® FlexWrap™ NF top sheet providing a watertight layer, the butyl mass as an adhesion layer and a paper release liner.
It provides excellent watertight adhesion to all DuPont™ Tyvek® Building Envelope Solutions products around non-straight penetrations, such as dormers, door sills, chimney breasts, pipe penetrations and any custom shapes.
Helps to facilitate the creation of airtight and watertight seals around windows, door sills, chimney breasts, pipe penetrations and any custom shapes
Easy to install - no need for additional fasteners
Designed to ensure continuity, compatibility and integrity with all DuPont™ Tyvek® Building Envelope Solutions products, as well as other non-wovens and laminated membranes at penetrations