Custom made folding, bi-fold shutters. Exterior Bi-Fold Shutters About 12' tall with 90 PSF design load Facade shutter, many different options available, fixed or fully functional louvers, manual or motorized louvers control, bi-fold, sliding or sliding stacking options, bi-fold or sliding can be operated manually or optional motorized system. Materials available to fabricate aluminum, exterior grade wood such as Teak, mahogany, IPE and similar exterior grade wood species. Different louver sizes are available along with custom made louvers and rails according to customer request..