Private: Blog

December 5, 2018

DuPont™ FlexWrap™ NF

DuPont™ FlexWrap™ NF is designed to help protect vulnerable corners against air and water intrusion, as part of a complete DuPont Building Envelope Solution. This self-adhered butyl flashing prevents water intrusion at window sills and does not require mechanical fasteners, even in flexed corner areas around building openings. Easy, one-step insulation for hard-to-seal corners around windows and doors. Effective across a range of window and door designs and a wide range of typical wall substrates, including OSB, plywood, gypsum, concrete masonry unit (CMU) and other non-nailable sheathing materials.