18 in. x 75 ft. x 40 mil. Fortiflash® Waterproof Flashing Membrane | FF4018

Fortiflash® Waterproof Flashing Membrane is engineered to deliver lasting protection against water intrusion in the most demanding environmental conditions. It is the premium self-adhesive waterproof flashing membrane for windows. It is also ideally suited for flashing non-roofing horizontal conditions such as pot shelves, parapets, sill pans and recessed windows.

• Ideal for sealing around common through-wall penetrations such as hose bibs, vents, electrical boxes and exterior lights
• Maximum water and leak protection
• Can be installed around protrusions and tightest corners without delaminating or tearing
• Self-sealing 40 mil. rubberized asphalt core stays in place in all weather conditions
• Exceeds ASTM & AAMA standards
• Part of a complete moisture control system
• For best results, use with Moistop Sealant