09th Feb 2010
Finish the Job With Finish Hardware
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Doors in commercial buildings require a minimum of finish hardware, including hinges, flush bolts and pivots. Doors can also be outfitted with a variety of decorative hardware, including kick plates and door pulls. Which hardware is installed is determined by door use, architectural style and safety concerns.
A hinge may just seem like a hinge, but each hinge is designed for use in a particular situation. For example, a basic five-knuckle plain bearing full mortise hinge is designed for use on a standard weight door that gets little use. It also cannot be used with a door closer. On the other hand, a three-knuckle spring hinge can be used with a door closer. When purchasing hinges, tell your supplier the weight of the door, the expected traffic level and the details of any other devices that will be installed on the door. This way you can get the correct hinge for the job and not find the door literally coming unhinged in the future.
Doors can also be fitted with pivot sets. These are typically floor-mounted, although some are jam-mounted. Pocket pivots are also available. These allow the door to open flush to the corridor and are commonly found in hospitals or other settings where the door needs to be completely out of the way when open. Just like hinges, pivot sets need to be selected based on the weight and expected usage of the door. Pivots are available for doors from 200 to 500 pounds. Some pocket pivots are also rated for use on fire doors.
Flush bolts and strikes are designed to work either on metal or wood doors. Options for this hardware include manual flush bolts, automatic flush bolts, constant latching flush bolts, auxiliary fire latches and dust proof strikes. The best flush bolts share some common features: meet ANSI A156.3 Type 25 or Type 27, are non-handed, offer optional dust proof strikes, and have low actuation forces. You’ll need to know how the door frame is prepared when ordering flush bolts.
Put the finishing touches on a door with decorative, yet functional hardware. Kick plates and push plates protect the door from damage. Pulls can be coordinated with the decor of the building. These items are available in a variety of finishes. Floor stops, wall stops and door silencers all improve the function of the door. Even these hardworking items are available in design styles to complement the building design or to blend unobtrusively into the background.
Finish hardware should be chosen carefully to ensure a door works properly and safely for many years. Although home supply stores may carry some basic hardware, it’s best to rely on an experienced commercial hardware supplier to get the proper hardware for each installation.
Tags : bronze oil
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