In June 2018, to test Stormseal’s weather resistance under the most extreme natural conditions it was installed on the roof of a hut high in the Swiss Alps. Over several weeks, the wind speed average was over 100 km/h [62 miles/h] and some days up to 200 km/h [124 miles/h]. At the end of January, after many storms, the Stormseal film was still looking good. (more…)