Also known as Piano Hinges, Continuous Hinges are composed of two continuous leaves of material. These hinges are available in standard lengths of 1.8 meters and vary in width from 13 mm to 150mm. They find application in a wide variety of doors and have several advantages over other types of hinges. These hinges are available in various shapes and sizes. Customized designs are also available for continuous hinges.

Continuous hinges have become a much broader band of door hardware today, covering hinges from 0.5mm thick material for trinket boxes to 5mm thick for use on blast doors.

Materials Used

A wide range of materials are used for making continuous or piano hinges. Some of the materials used include:

• Stainless Steel
• Brass
• Aluminium
• Iron

Salient Features

• Brass and stainless steel pins are provided with most piano hinges.
• For most piano hinges, the length is a multiple of knuckle length so as to ensure free rotation of the pin.

Advantages of Continuous Hinges

Continuous hinge is also sometimes referred as long narrow butt hinge. They have some advantages over using several shorter butt hinges. These hinges can be cut down in order to match the full length of the door or lid to be hinged. These hinges provide support along the entire length of the door thereby keeping the door and frame in perfect alignment. Another added advantage of continuous hinges is that they evenly distribute the load over the whole length of the door aperture. Another advantage of continuous hinge is that they are also suitable for applications like furniture manufacturing, security cabinets, metal fabrications, etc.
Finishes

The finishes available for continuous hinges are varied. Plated finish is very popular among continuous hinges. Apart from this, satin chrome finish, polished brass finish and antique finishes are also popular in continuous hinges.