DuPont FlexWrap EZ Building penetrations come in all shapes and sizes... DuPont™ FlexWrap™ EZ is a unique, flexible adhesive tape that creates an airtight and watertight seal around penetrations, reducing air leaks and improving the resiliency and sustainable design of residential and commercial buildings alike. This simple, easily installed solution also makes... the work of sealing the building envelope go faster. DOWNLOADABLE PDF's DuPont Overview Brochure