We are Elite Home Improvement located at SYDNEY 319 Windsor Rd Baulkham Hills NSW 2153. What do you do when you want to close the commercial establishment when the business hours are over. Obviously you close the entrance points. The most established way to close the entrance points is by using roller shutters. Roller shutters are popular among customers and will never regret to have one. There are times that during gale force winds flying debris hit the doors and windows.