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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.

Product Details

Features & Benefits

  • Rubberized asphalt core protects against delamination and tears
  • Self-seals around nails and fasteners for lasting watertightness
  • Compatible with Moistop Sealant


Henry_Fortifiber 1 2 3 System Warranty Brochure

Henry FortiFlash Installation Guide

Henry FortiFlash Safety Data Sheet