DuPont™ Flashing Tape

Building Solutions | DuPont™ Flashing Tape
 
 
 
Commercial | Residential | Multifamily | Wall

Building science for the building process

Rooted in years of building envelope expertise, DuPont™ Flashing Tape is a proven weapon against the elements during construction. This self-adhesive tape protects the heads and jams of rectangular windows and door, with bulk water holdout, air leakage control, and more.

 
 
 
 
 
 

Flashing Tape

Help protect heads and jambs of rectangular windows and doors from air and water intrusion with DuPont™ Flashing Tape. DuPont™ Flashing Tape helps protect the heads and jambs of rectangular doors and windows from air and water intrusion. Wind-driven rain and outdoor air can find their way into walls around windows and doors. By helping to seal the building envelope, self-adhered DuPont™ Flashing Tape can help reduce the risk of water damage, increase building comfort, and improve energy efficiency.

 
 
 

Features & benefits

Feature Benefit
Butyl rubber adhesive backing
  • Self-adheres for easy installation on site
  • Forgiving initial tack to allow for repositioning
  • Adheres to most common building materials
  • Durability
  • Withstands rigors of job site
  • Handles UV exposure for up to 120 days
  • Can be installed at external temperatures as low as 25°F
  • Convenient roll widths
  • Perfect for a variety of applications, from flanged doors to deep window sills
  • Cost-effective
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    Physical properties

    Method Unit Value
    Air Penetration Resistance ASTM E2178 cfm/ft2@1.57psf <.004
    Water Vapor Transmission ASTM E96-05 Method A g/m2-24 hrs 400
    Water Penetration Resistance ATTCC 127 cm 250
    Basis Weight TAPPI T-410 oz/yd2 1.8
    Breaking Strength ASTM D882 lbs/in 30/30
    Tear Resistance (Trapezoid) ASTM D1117 lbs 8/6
    Surface Burning Characteristics ASTM E84 - 15
    Ultra Violet Light Exposure (UV) - Days (months) 120 (4)
     
     
     

    Available sizes

    U.S.

    Thickness Dimenstions
    DuPont™ Flashing Tape 20 mm (507 microns) 4” x 75’, 6” x 75’, 9” x 75’, 12” x 75’, 4” x 33’