FortiFlash 25 mil window & door flashing membrane

Fortifiber FortiFlash is a self-adhered waterproof flashing membrane designed to help protect window, door, and wall penetrations from water intrusion. Its rubberized asphalt core self-seals around nails and fasteners, while the reinforced film helps resist tears and delamination in demanding jobsite conditions.

Key Features:

• Self-Adhered Waterproofing: Pressure-sensitive adhesive helps the membrane stay in place without mechanical fasteners.
• Self-Sealing Core: Rubberized asphalt self-seals around nails and fasteners to maintain watertight protection.
• Tear & Delamination Resistance: Reinforced, cross-laminated film helps the flashing conform to corners and protrusions without tearing.
• Code/Standard Compliance: AAMA 711 compliant for window and door flashing applications.
• Versatile Detailing Use: Suitable around windows/doors and non-roofing horizontal details like sills, parapets, and recessed openings.

Please check the Product Data Sheet Here

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What is this product used for?
A: Its a waterproof flashing membrane for window/door openings and other wall penetrations to help prevent water intrusion.

Q: Is it self-adhered or do I need fasteners?
A: It is self-adhered; its adhesive is designed to keep it in place without mechanical fasteners (as needed per detailing and jobsite conditions).

Q: Will it seal around nails and screws?
A: Yes. The rubberized asphalt core is designed to self-seal around nails and fasteners for lasting watertightness.

Q: What size is this roll?
A: 12 inches wide by 75 feet long, 25 mil thickness.

Q: Does it meet any industry standards?
A: FortiFlash is listed as AAMA 711 compliant.

Invisible armor for every opening

Think of FortiFlash as the quiet couture layer that makes a space feel truly finishedsealed, protected, and built to last. The self-adhered membrane wraps openings with confident precision, while the reinforced film brings a composed, tear-resistant strength to tricky corners and transitions. Use it to detail windows and doors with the same care youd give a perfect reveal lineclean, intentional, and enduring. Its the behind-the-scenes essential that supports elevated living by safeguarding what matters most.

Choose FortiFlash 12 in. x 75 ft. (25 mil) to lock in reliable, self-sealing protection around windows, doors, and wall penetrations.

Warranty

Installation