3M Liquid Air Barrier 2085VP is an innovative, proprietary, single component, polyether-based, water vapor permeable, air barrier membrane that dries fast, sticks to damp surfaces and can be applied at temperatures as low as 25°F to 100°F (-4°C to 38°C) and can withstand up to 6 months direct UV exposure. The 26-mil (wet thickness) engineered liquid membrane is compatible with many building sealants; no adverse reaction with synthetic rubber, butyl, polyurethane, silicone and silane terminated hybrid sealants. Available in both 5 and 50 gallon pails.