Architectural hinge is a general term used to classify door hinges that are used in various architectural applications. Some of the most common types of architectural hinges you will find in hardware stores include:
• Spring hinges – These are architectural hinges that are spring-loaded and designed to provide assistance in the opening or closing of hinge leaves. The spring serves as a critical component of the hinge and it works by applying force, which secures the leaves closed or keep the hinge opened.
• Barrel hinges – A barrel hinge includes a sectional barrel, which is secured by a pivot. The barrel with a hollow cylinder-shaped section receives the bearing force applied to the pivot. Some models have screw-shaped sections used to fasten or drive the pivot.
• Pivot hinges – Pivot hinges swivel in openings down the floor and at the top of the door frame. These type of hinges are most commonly found in dry stone buildings of the ancient times and more rarely in wooden buildings. Also known as haar-hung doors, these are low-cost alternatives for hinging light weight doors.
• Butt/mortise hinges – These hinges usually come in threes or fours, and are inset or mortised into the door frame and the door. Most architectural butt hinges are made out of steel, especially when used indoors. Mortise hinges that are meant for exterior use are commonly made out of stainless steel or brass, which are more resistant to corrosion.
A double acting hinge, otherwise known as a double swing hinge on the other hand, is a special type of architectural hinge that is designed to allow doors to swing at a 90-degree angle in both directions. This eliminates the risk of pivot doors to split on impact and provides a practical solution for corridor doors that receive great traffic and are constantly exposed to impact damage.
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