A vapor permeable membrane with long-term UV resistance, Henry® Air-Bloc® All Weather STPE™ is a single-component, moisture cure Silyl Terminated Polyether (STPE) water-resistive air barrier. Featuring a high solids content and quick cure time, Air-Bloc® All Weather STPE™ can be applied with rain in the forecast, helping to reduce job-site weather delays. Its hydrophobic nature also means it won't wash off in the rain. Plus, it can be spray-, roller- or brush-applied in temperatures down to 10 °F. Air-Bloc® All Weather STPE™ is part of the Air-Bloc® portfolio of fluid applied air barriers within the Henry® Building Envelope Systems® family.