WeatherSkin Eco-Smart Roof Membrane is an easy to use base coat. WS M6 is a liquidapplied, water-proof roof protection system. It can be used for nearly all roof-type applications. It allows for substrate movement, accommodates for sudden temperature fluctuations, and creates a strong U.V / solar protective barrier. WS M6 remains algae, fungi, mold and mildew resistant through-out it's life-time. WS M6 far surpasses the capabilities of all other traditional roofing systems.