A familiar sight to anyone who has walked a mall concourse or spent time in airport terminals, roll-up security doors send a forbidding message. Alumatec’s most popular overhead roll-up door, the AT-9 is a perfect choice for any storefront or perimeter that requires both visibility and ventilation. We’ve specifically designed this roller grille shutter to provide long-lasting security with trouble-free operation for store associates. Ideal in malls, airports, retailers, and hotels, this storefront roll-up door gives ample room for optimal product merchandising without taking up too much of your valuable space.