WeatherSkin Eco-Smart textured membrane is an easy to use sprayable top coat. WS M5 is a liquid-applied, water-proof protection system. It can be used for nearly all exterior type applications. It allows for substrate movement, accommodates for sudden temperature fluctuations, and creates a strong U.V / solar protective barrier. WS M5 remains algae, fungi, mold and mildew resistant through-out it’s life-time. WS M5 far surpasses the capabilities of all other traditional stucco and texturing systems.