(800) 2BE-HURD hurd.com Hurd's aluminum-clad wood casement windows feature a sash and frame constructed for durability. The dual-arm system makes it possible to manufacture wider windows (up to 31-in.), and it reduces torque for smoother, more efficient opening and closing. The hinge system is designed to provide enough space between the window frame and sash for easy cleaning. a multi-point locking system eliminates the need to reach upper latches.