FortiFlash? is a cost-effective self-adhering flashing membrane that provides protection against moisture intrusion. It can be used around windows, doors and non-roofing horizontal applications such as pot shelves, parapets, sill pans and recessed windows. When used as part of the Henry? 1-2-3 Moisture Control System?, FortiFlash is backed by an industry-leading 15 year warranty. Repairs are covered for both materials and labor with a single point of contact.