Description
SOPREMA | Sopraseal Stick FlashPro
SOPRASEAL STICK FLASHPRO is designed for air/vapor barrier waterproofing applications. It is used as a window flashing membrane and for openings, it can also be used as a transition membrane. It is a 17-mil air and vapor barrier flashing membrane made with a butyl adhesive and a tough HDPE composite facer laminated to a split-release silicone film that is removed during application. The product is self-adhering, used as an air and vapor barrier flashing membrane which is composed of a polymer butyl-based adhesive and a tough, tri-laminated woven HDPE polyethylene facer. It is used as a water-resistive rough opening flashing membrane for windows and transitions prior to the installation of any of SOPREMA’s continuous air and vapor barriers used in door, & wall assemblies.
FEATURES & BENEFITS
- Adhesion to all common wall construction without the use of a primer.
- Highly compatible with typical glazing sealants
- Asphalt free & no odor
- Available in 5 widths to fit any opening; 4″, 6″, 9″, 12″, 18″
- Can be applied in temperatures as low as 5°F (-15°C).
- Can be exposed to UV for up to 6 months during construction.




SOPRASEAL STICK FLASHPRO is designed for air/vapor barrier waterproofing applications. It is used as a window flashing membrane for openings, and it can also be used as a transition membrane.

