Fortiflash Fusion features a butyl-based adhesive technology that provides reliability in high temperatures up to 180 °F and protects against moisture intrusion so you can install with confidence even in the most demanding environments.

FortiFlash Fusion Waterproof Flashing Membrane provides a strong, self-sealing barrier that protects windows, doors and through-wall penetrations and is designed to withstand the rigors of the jobsite and the elements. When used as part of the Henry 1-2-3 Moisture Control System™ it is backed by an industry-leading 15-year material PLUS labor warranty for product defects.