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.
Feature | Benefit |
---|---|
Butyl rubber adhesive backing |
|
Durability |
|
Convenient roll widths |
|
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) |
Thickness | Dimenstions | |
---|---|---|
DuPont™ Flashing Tape | 20 mm (507 microns) | 4” x 75’, 6” x 75’, 9” x 75’, 12” x 75’, 4” x 33’ |