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“
CLOSET DOUBLE DOORS HARDWARE
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DOOR AND HARDWARE INSTITUTE
Resolution:
DHI:
Why are frames grouted?
Resolution:
Grouting frames is: A process done in the field during hollow metal frame installation The internal cavity of the frame is fill with masonry or mortar It is intended to mainly provide ...:
What is an astragal?
Resolution:
An Astragal is an applied molding attached most commonly to the meeting edge of doors to: Protection against weather conditions Minimize the passage of light between the doors Retard the passa...:
What is delayed egress hardware?
Resolution:
Delayed egress hardware prevents a door from being opened from the egress side, usually for a period of 15 seconds. This type of device is often used to prevent theft, while maintaining life safe...:
What are ANSI BHMA hardware grades?
Resolution:
The American National Standards Institute (ANSI) and Builders Hardware Manufacturers Association (BHMA) have developed durability, strength and performance standards for every type of door hardware...:
What is the difference between Panic Hardware and Fire Exit Hardware?
Resolution:
The most obvious difference (in the device) is the lack of mechanical dogging on a Fire Rated Device. There are some internal parts that may be different and the method it is secured to the d...:
What is Fusion Hardware?
Resolution:
As of September 8, 2017, Fusion Hardware will cease operations and no longer be accepting new orders. :
What would cause an EL device to pull and release?
Resolution:
If your Von Duprin EL (solenoid) device pulls and releases quickly instead of holding the latch retracted, please check all of the items below.In most cases, one or more of these solutions will r...:
What is a lock function?
Resolution:
Apartment Corridor Lock function is defined as a lock where the latch bolt operated by lever from either side, except when outside lever is made inoperative by a stop or mechanical means other than...:
What options are available on the CE-Series doors?
Resolution:
CE Series door in a variety of embossed panel designs and gages. The CE series embossed panel doors also offer a wide range of specifiable options including sizes, and hardware prepar...:
What is the most common practice for running electric power from a frame to the door and hardware?
Resolution:
Electrical hinges or a power transfer units are the most commonly used practices to run electric power to locks and/or strikes. Electric Hinges: Most electric hinges will fit into...:
What is a Cam Lift Hinge?
Resolution:
Cam Lift Hinges are specially designed hinges used mainly on acoustical door assemblies. The Cam Lift Hinge lifts the door during its travel and seats the door bottom for a pos...:
Does Von Duprin offer an exit device for exterior use?
Resolution:
Most Panic devices are not designed for exterior applications. As with any mechanical device, exposure to the elements may affect the operation and life of the device and/or finish an...:
What is GrainTech?
Resolution:
GrainTech® is a Steelcraft door option which provides a wood grained pattern which is embossed into both face sheets of the door. GrainTech doors are factory stained and top coated with a cle...:
What is clear opening width?
Resolution:
Clear Opening Width for swinging doors is measured (with the door open 90 degree) from the face of door to stop soffit on strike jamb. &nbs...:
What causes the top rod case to pull away from or strip out of the face of a steel door?
Resolution:
Hardware falling off a door is caused by one or all of the following issues: Field abuse Improper internal reinforcements in the door Improper field preparation The top or bottom rod case can...:
Does Allegion write specifications and specs?
Resolution:
Allegion does provides professional support to Architects and Design Professionals. For information related to specification development and support, Website for Architects and Desig...:
What's needed to write a door hardware specification?
Resolution:
The following items are needed for Spec Writers to write a door and hardware specification Building code being used Occupancy type or types Occupancy load for any rooms or areas of ass...:
Are GrainTech doors available with hardware preps?
Resolution:
All hardware options (available on standard door) are available on GrainTech® doors. Available hardware are covered in the Steelcraft Price Manual. GrainTech® doors can be prepped for the Von Dupr...:
When are Panic Devices required?
Resolution:
The use of Panic Hardware and/or Fire Exit Hardware is required by the International Building Code (IBC) and NFPA 101 – The Life Safety Code, depending on which code and which edition of the code i...: