DuPont Tyvek Flashing Tape - 4"
Select an option for stock status and time to ship


Protect heads and jambs of rectangular windows

Premium, self-adhered flashing made with a 100% butyl-based adhesive layer

Helps protect rain from entering around window openings in residential structures

120 days UV exposure


When it comes to residential window flashing, DuPont Flashing Tape is ideal for helping to protect heads and jambs of rectangular windows. By bridging the interface between the rough opening and building envelope, StraightFlash protects these vulnerable areas that are so often subject to potential water damage.

DuPont StraightFlash is a premium, self-adhered flashing made with DuPont Tyvek and a 100% butyl-based adhesive layer. This makes for a durable, premium window flashing that helps protects rain from entering around window openings in commercial structures. When used as part of the DuPont Weatherization Systems, DuPont Flashing Tape also helps contribute towards U.S. Green Building Council LEED points, helping you create more sustainable, durable commercial structures that continue to operate efficiently.

DuPont Flashing Tape , a premium, durable, self-adhered window flashing material made with a 100% butyl-based adhesive layer is designed to protect the heads and jambs of rectangular windows. DuPont qualifies its flashing products to several key industry-approved standards including the AAMA 711-07 Voluntary Specification for Self Adhering Flashing Used for Installation of Exterior Wall Fenestration Products. Flashing Tape comes backed by a limited product warranty from DuPont, a company dedicated to providing innovative and reliable products for over 200 years.


Manufacturer DuPont
Brand DuPont
Sub Brand Tyvek
Adhesive Butyl Rubber (black)
Appearance DuPont Tyvek Logo printed on Tyvek tape
Application Jambs and Heads of Rectangular Windows;
Code Approval Meets the AAMA 711-13 material standard: Class A (no primer) and Level 3 Thermal Exposure
Compatible Materials All DuPont Tyvek air and water barriers and other building envelope products
Installation Temperature Can be installed at external temperatures as low as 25°F (-4°C)
Made in the USA Yes
Returnable Yes
Ultraviolet Protection 120 days UV exposure
Warranty 10 Year Limited

Weights and Dimensions

Thickness (Inches) 20 mil
Width (Inches) 4


YouTube's Terms of Service

Info & Guides

Reviews & Q&A

Want to learn more? Read product reviews and questions and answers about this product from other customer just like yourself. Have a question? Just click the 'Ask a Question' button and let us know. We'll review your question and post the answer here.

Customers Who Bought This Item Also Bought