p.a sadabad - Masterof Architectural Engineering, Department of Architecture, Islamic Azad University, Eris, Iran
m amirdastmalchi - Masterof Architectural Engineering, Department of Architecture, Islamic Azad University, Eris, Iran
n.h.o nourani - Masterof Architectural Engineering, Department of Architecture, Islamic Azad University, Eris, Iran

Sash windows can be described as the talent of Safavid and Ghajarid architects. They are mix of wooden Girih tiles with colorful pieces of glass. When lights are intermixed they make the colors ofinternal space seem excellent and larger than their actual size. This article introduces sash windows, their applications and their status aswell as their forming elements based on colors psychological impressions, light aesthetic and the talent of Iranian architects in making good use of mixings in sash windows. At the end, we find that color is a very important element in Islamic architecture to convey spiritual messages. This article introduces sash windows, their history and functions. It uses sources, references and pictorial records. It is intended to depict the light aesthetic in sash windows.

Sash window , Light , Color , Aesthetic ,