Manufacturers of custom wood windows utilizing teak, mahogany, ash etc... York Spiral Stair, a division of Duratherm Window, manufactures wooden spiral staircases.

• See also:
• Masterformat 2004
• 08 10 00 - DOORS AND FRAMES
• 08 50 00 - WINDOWS
• 08 52 00 - Wood Windows
• 08 52 13 - Metal-Clad Wood Windows
• 08 52 16 - Plastic-Clad Wood Windows
• Masterformat 1995
• 08200 - Wood and Plastic Doors
• 08500 - Windows
• 08550 - Wood Windows
• 08593 - Interior Insulating Windows