DuPont™ FlexWrap™ EZ

Versatile Self-Adhered Flashing for Non-Flanged Objects

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DuPont™ FlexWrap™ EZ

Versatile Self-Adhered Flashing for Non-Flanged Objects

<br><b>DuPont™ FlexWrap™ EZ</b> is a flexible, extendable self-adhered tape with a 100% butyl-based adhesive layer that helps create an air and water-tight seal around penetrations of all different shapes and sizes. <b>FlexWrap™ EZ</b> provides an option for home builders, trade contractors and remodelers to easily seal around non-flanged objects that penetrate the building envelope. <br><br> Suitable for both residential and commercial applications, <b>FlexWrap™ EZ</b> is ideal for flashing around many smaller wall protrusions like plumbing and HVAC components, vents, wires, exterior electrical outlets, exterior lights, exhaust fans, dryer vents, hose bibs, gas lines and more – a fast and easy solution to help improve energy efficiency and the durability of a wall system.

Resources

Product Information Sheets Installation Guides Brochure Warranty Case Study Videos

Features & Benefits

Application and Service Temperature
High Performance Durability
Efficiency
Ease of Use

Specifications

Standard Sizes

Roll
2 3/4 in.
15 ft.
16
24
384

Testing

<b>DuPont™ FlexWrap™ EZ</b> exhibits physical properties as indicated below when tested as represented. Review all instructions and (Material) Safety Data Sheet ((M)SDS) before use. Please contact DuPont at 1-833-338-7668 when additional guidance is required for writing specifications that include this product.

AIR
ASTM E1677
Standard Specification for Air Barrier (AB) Material or Assemblies for Low-Rise Framed Building Walls
Assembly Air Leakage
< 0.04 cfm/ft2
(0.2 L/s • m2)
ASTM E2357
Standard Test Method for Determining Air Leakage Rate of Air Barrier Assemblies
Assembly Air Leakage
< 0.04 cfm/ft2
(0.2 L/s • m2)
WATER
ASTM E331
Standard Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Uniform Static Air Pressure Difference
Installed System Water Intrusion Testing.
NO leakage at
300 Pa (6.24 psf)
ASTM E331
Standard Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Uniform Static Air Pressure Difference
Installed System Water Intrusion Testing (after thermal aging (0-120°F)
NO leakage at
300 Pa (6.24 psf)
ASTM E96
Standard Test Methods for Gravimetric Determination of Water Vapor Transmission Rate of Materials
Water Vapor Permeability
< 1 perm
(< 60 ng/Pa.sec.m2)
GENERAL
AAMA 711
Specification for Self-Adhering Flashing Used for Installation of Exterior Wall Fenestration Products
Dupont Flashing Systems Products Meet the AAMA 711 Material Standard at the Highest Classification Levels
Class A (no primer)
Level 3 Thermal Exposure
(80°C/176°F for 7 days)

Note:- *Tested in a wall assembly containing a window. Consult DuPont for primer recommendations

FAQ

Can DuPont™ FlexWrap™ EZ be used in lieu of FlexWrap™ for protecting the rough opening sill? No, FlexWrap™ EZ is not intended to be used where FlexWrap™ is specifed in installation literature, except where outlined in the DuPont Installation Guidelines. Are there restrictions on where DuPont™ FlexWrap™ EZ can be used? FlexWrap™ EZ can only be used where the gap between the penetration and the opening does not exceed 1/2', and it cannot be used in locations that will be subjected to longterm UV exposure. Where can DuPont™ FlexWrap™ EZ be used? FlexWrap™ EZ can be used at wall penetrations and to establish continuity behind nailing fins of field-applied and/or non-integral flanged windows.

Additional Learning

Building Envelope Solutions

Learn how choosing the right building envelope system can dramatically improve a home’s durability, moisture protection, and energy efficiency. Discover how DuPont™ Tyvek® water-resistive barriers and integrated building envelope solutions deliver proven, science‑driven performance that stands up to real‑world conditions.

Learn more How to Install

Learn the essential steps for installing DuPont™ Tyvek® as part of a high‑performance building envelope system. Our installation guides will show how proper installation helps maximize air and water protection for long‑lasting home durability.

Learn more Vapor Permeability

Vapor permeability plays a critical role in protecting walls from trapped moisture, mold and rot. Learn how DuPont™ Tyvek® water-resistive barriers provide the ideal balance of air and water resistance with high breathability to help walls dry effectively.

Learn more Tyvek ® Specialist Network

The DuPont Building Envelope Specialist Network delivers hands‑on technical support, training and guidance to help teams build durable, energy‑efficient structures. Discover how DuPont pairs advanced product performance with unmatched field expertise to support your project every step of the way.

Learn more Tyvek ® Warranty

DuPont offers a full range of product and system warranties designed to protect builders and property owners with reliable, long‑term coverage. Explore how DuPont™ Tyvek® warranties, along with expert project support, help ensure durable, high‑performing building envelope systems.

Learn more Sustainable Buildings

Learn how DuPont is advancing sustainable construction with building envelope systems designed to improve energy efficiency, indoor environmental quality, and long‑term durability. Discover how DuPont™ Tyvek® water-resistive barriers help reduce air leakage, protect insulation performance, and support greener, longer‑lasting buildings.

Learn more Sustainable Building Products

Builders can earn National Green Building Standard™ (NGBS) certification points by using DuPont™ Tyvek® and other DuPont sustainable building products approved by Home Innovation Research Labs. Learn how these high‑performance materials support greener construction while enhancing energy efficiency and moisture protection.

Learn more

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