Over 2500 sq. ft of WALLSHIELD® was installed at the Aloft Hotel in Minneapolis, Minnesota. WALLSHIELD® is the most vapor and air permeable weather resistant membrane in the industry with a rating of 212 perms. WALLSHIELD® allows trapped interior moisture to escape, reducing the risk of mold, mildew and rot. The Aloft brand, a division of Starwood Hotels & Resorts, delivers urban-influenced, vibrant design for travelers. The Aloft hotel in Minneapolis is the first for the state of Minnesota.