Grabill’s luxury exterior bi-folding door systems accommodate multiple panels for large expanses, creating a truly seamless transition between indoor and outdoor spaces. When closed, these premium bi-fold exterior doors create a formidable barrier against the elements. Door panel configurations are as specified with in-swing or out-swing operation. Folding doors are available in all wood, aluminum clad and bronze clad.
For more information on Grabill Windows and Doors, please visit us online or call us directly at 810-798-2817.