Signature Series custom wood windows, pocketing Lift & Slide doors, and Hinged doors with pocketing screens are among Quantum’s products called for in this North Cascade mountain cabin. All architectural windows and doors are specified Douglas Fir. Ample natural light permeates the cabin’s interiors through its many windows including angled fixed sash, gables, and true divided lites. Windows near the roofline also permit ventilation in the summer months.