DuPont™ StraightFlash™

Commercial | Residential | Multifamily | Wall

Prevent air and water leaks around doors and windows

Self-adhered door and window flashing made with a DuPont™ Tyvek® topsheet, StraightFlash™ integrates with all DuPont air and window barriers to protect against water intrusion.


DuPont™ StraightFlash™

DuPont™ StraightFlash™ is a premium self- adhered flashing material that is ideal for helping to protect heads and jambs of windows and doors. By bridging the interface between the fenestration and the water-resistive barrier, DuPont™ StraightFlash™ protects these vulnerable areas that are so often subject to potential water damage. 


Features & benefits

Feature Benefit
Quick-release scored backlog
  • Excellent adhesion
  • Performs through extreme temperatures
  • Superior durabilty
  • Can withstand up to 270 days of UV exposure
  • Tear-resistant

    Physical properties 

    Method Unit Value
    Face Sheet - - Spunbonded polyethylene laminate (white)
    Adhesive - - Transposed dual sided adhesive for continuous integration; Butyl rubber (black)
    Thickness - mil (microns) 30 (760)
    Release Liner - - 2-piece, heavy-duty siliconized, scored release paper
    Dimensions - in x ft 6 x 125
    - in x ft 6 x 25
    Applications - - Brick mold, non-integral flanged and non-flanged rectangular windows and doors.
    UV Resistance - - Cover in 270 days
    Water Vapor Permeability ASTM E96 perm < 1