Tornado Damaged Roofs Replaced at Mt Airy’s Twin Arch Storage Facility Posted on February 1, 2019February 1, 2019 by DWM Roofing New roofs replaced at #twinarchstorage in Mt. Airy between snowflakes this week. They were damaged by the tornado a while back. More roofs to do once the snow decides to go away. Posted in roofing.