In the building and roofing industry, your reputation is only as good as your last install. Protect your work and your bottom line with WindowWrap® PSX-20, manufactured by MFM Building Products Corp. This patented, premium self-adhering waterproofing membrane is specifically engineered to handle the harshest exterior environments, ensuring a permanent, weather-tight seal around windows, doors, and building joints.
Constructed from a puncture-resistant silver polymer film backed by a specialized rubberized asphalt adhesive, PSX-20 bonds aggressively to all common building and window substrates. It maintains its flexibility even in low temperatures, making it a reliable choice for year-round construction. Whether you are dealing with high-wind rain, sub-zero winters, or intense summer heat, this self-sealing flashing tape ensures that moisture stays out and energy efficiency stays in.
Key Features and Benefits for Contractors
- 180-Day UV Exposure: The silver multi-layer polymer construction resists damaging ultraviolet rays, allowing it to be left exposed for up to 6 months before siding or cladding installation.
- Reduces Expensive Callbacks: Prevents water, air, insect, and noise infiltration, while stopping the formation of structural mold and mildew before it starts.
- Advanced Self-Sealing Technology: Automatically seals tightly around nails, staples, screws, and fasteners to maintain total waterproof integrity.
- Aggressive BTS Adhesive: The Broad Temperature Spectrum (BTS) rubberized asphalt adhesive firmly adheres to clean, dry surfaces without sliding or peeling.
- Labor-Saving Application: Features an easy-to-remove release liner that speeds up installation times, saving your crew labor hours and minimizing material waste.
- 10-Year Limited Warranty: Backed by MFM Building Products Corp.’s trusted 10-year warranty, giving your clients peace of mind and boosting your professional credibility.
Basic Uses
- Flashing and sealing around premium window and door installations in both new construction and home renovation projects.
- Waterproofing exterior building seams, joints, vents, and irregular exterior openings.
- Weatherproof protection beneath wood siding, vinyl siding, brick, and stucco.
- Serving as an effective, protective barrier for corrosive ACQ treated lumber.
Product Details
- Manufacturer: MFM Building Products Corp.
- Nominal Thickness: 25 mils
- Color: Silver aluminized finish
- Application Temperature Range: >35°F
Code Approvals: Meets strict ICC-ES AC148 and AAMA 711 standards (ICC-ES ESR-2783). Protected under U.S. Patent Nos. 6,479,119 and 6,627,017
