A window is an open space on the wall of the room for free movement of air & light. In the primitive age the people had the idea of windows. At that time they did make holes for the passage of air & light. With the advancement of the civilization the shape & designs of the windows have changed. Romans were the first to use glass for windows. In the modern age many kinds of well designed window doors & frames are used to decorate the rooms. The window frame provides the security to the attachment of the door. The window frame depends on the location & function of its doors. We should take special care at the time of setting the doors with window, otherwise it can create problem later on. Choosing of windows is not an easy job. Home builders consider the materials, designs, durability at the time of setting the windows. Windows are made from various materials like wood, UPVC etc.

Upvc is the abbreviation of the word Unplasticized Polyvinyl Chloride. It is a hard type synthetic plastic material. This ingredient is more durable, not prone to flaking or rusting than other materials used to make windows. The UPVC windows are now very much popular to the home builders for its low cost, durability, stylish designs & easy availability. The glass panel is used in window to pass light into the room & getting an outside view from the room. The double glazed glass is a new craze to the people. Builders like it for its insulation property. Two glass panels are sealed together in double glazed panels. There is an air pocket between the two panels that creates insulating property of the panel. But you should be careful at the time of purchasing the double glazed glass panel, because if the proper technical procedure is not followed at the time of manufacturing, the glass will crack within a short period.