Category: 6. Doors & Windows

The various fixtures used are: The hingesBoltLocksThe handle The most commonly used type of hinge is the butt hinge, which ranges in length from 1 to 20 cm. Various types of hinges such as counterflap hinges, spring hinges and parliamentary hinges are also being used. Barrel bolts and tower bolts are the most commonly used…

In this type, one or both sashes are arranged to slide horizontally. Sometimes the glasses are suspended from rollers running on an overhead track. Heavy sashes are often provided with nylon rollers at the bottom for ease of operation.

In this type, both sashes slide vertically and are counterbalanced by the weight of the sash, spiral springs or tape spring balance.

It is wall mounted and does not allow for natural air circulation.

These doors consist of a mild steel frame, made of mild steel channel sections. They are provided with bottom and top rollers to roll them on rails when they are opened or collapsed. These doors operate without hinges and can be opened or closed with a slight pull or push. These doors are widely used…

These doors are widely used where frequent opening and closing of doors due to foot traffic such as markets, public buildings, hotels, shops, theaters and hospitals should be avoided. Arrangements are made to swing the door almost to one side of the shutter and close automatically whenever pushed and released.

This is a modification on sliding doors. These doors are usually made of steel or sheet metal slats and can be easily closed or opened by slightly pulling or pushing the shutter. They do not require much space and are generally used for garages, showrooms, shops etc.

Slidable doors that slide to one side were widely used for residences in the past. Door shutters can also slide up or down. These doors do not create any hindrance to movement. Vertical sliding doors are pulled by cables or chains and are used for large openings in industrial and freight elevator doors. Right-angled doors…

These doors are usually single or as folding partitions so that two rooms can be used together as one room or separately. They are made of wood or metal and are used for very large openings. The doors are also connected together.

In these doors, the shutter is hung on the door frame on hinges or bits that are attached to one side of the shutter, so that it swings on a vertical axis. Doors can be single swing, double swing or double acting type. In single swinging type doors, if a person is standing on the…