Which door closer is right for my project?
There are many questions that need to be considered when deciding on the best door closer for a building.
- Is the door an internal or external door? Does it open inward or outward? Is the door in question a fire door?
- How will the width, height, and weight of the door influence the decision?
- Is there any localised air pressure? (such as an operating theatre)
- What volume of day-to-day traffic does the door closer need to withstand?
- Does the door closer meet all the necessary fire safety and quality standards?
- Is a surface mounted door closer sufficient? Or would a concealed model be more appropriate?
Based on the answers to these questions, a wide range of door closer technologies are available to you, each helping to meet specific demands and needs. But what makes a rack and pinion system different from a transom solution? Why would a floor spring model help to meet your environment’s needs?
Here, we explain the key features and benefits of the main door closer options available on the market.
Rack and pinion door closers
Tried and trusted, rack and pinion door closers are the most traditional and so a widely used option. They provide a balance between cost and performance for a variety of applications.
Cam-Motion® door closers
Cam action provides the ultimate performance for a wide range of applications. This gives the user low opening forces, but strong closing forces to maintain fire compartmentation.
ASSA ABLOY's signature Cam-Motion® technology offers increased flexibility due to its unique design, and as such are highly adaptable, and can be tailored to the needs of the user.
Concealed door closers
Concealed door closers provide all the benefit of cam action door closers, but with the added benefit of being concealed. As these are hidden from view for a more refined finish, they are perfect if aesthetics is a key requirement in a building environment.
It also has the added benefit of minimising unwanted adjustment or vandalism.
Transom door closers
Typically associated with aluminium systems, when fire rated these products also provide reliable closing for timber and metal doors too. For installations that do not allow for floor mounting, a transom solution can be used in place of floor springs, delivering an effective alternative.
Floor springs
Concealed from view under a finished floor level, floor springs allow you to control door opening and closing with the unit conveniently hidden from view. Floor springs are ideally suited for routes and areas that experience very high volumes of traffic, as well as heavier doorsets.
Solutions range
For more challenging projects or sites with very specific door control requirements, then a wide range of special models are available that can meet these demands. These can provide additional benefits around locking, slamming, or larger door applications. So, even for the trickiest door control specification, there’s a solution available to help solve the problem.
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Accessories
We offer a full range of accessories to cover all your door control accessory needs.
Acoustic release
Our range of acoustic releases provide a safe, easy and legal way to hold fire doors open. With DoorSense, fire doors can be held open to allow the flow of people throughout a building. However, should a fire alarm sound, the device will automatically release, allowing the fire door to close. Incredibly easy to install, DoorSense is a standalone, battery-operated unit that can be fixed to a door in seconds.
Cam-Motion®
Our innovative Cam-Motion® range is a market leading door control solution, which makes the opening and closing of doors easier for users. During the opening cycle the Cam-Motion® technology decreasing torque effect makes the door easier to open for the users, helping meet BS 8300 and Approved Document M requirements. However, when the door is in its closing cycle, this works in reverse ensuring the door is closed securely and safely, again helping to meet Approved Document B smoke and fire requirements. Our Cam-Motion® range is available for virtually any door type, including single and double leaf doors in combination with concealed and surface mounted mechanical, electromagnetic and electrohydraulic closers.
Close-Motion®
The Close-Motion has an innovative soft-closing mechanism which allows doors to slot quietly and securely into the door frame. This improves the motion sequence of the door: close quickly - dampen gently - close securely. Just a few of the key features of the Close-Motion are enhanced closing function in the case of wind pressure, draught or suction, anti-finger trapping and almost silent closing.
Concealed Cam-Motion®
Designed not to be seen, whilst still offering market-leading performance across a wide range of applications with high efficiencies and easier opening. Exactly like our surface mounted Cam–Motion® units, this highly efficient mechanism helps to meet the requirements of BS 8300. Combining this with the CE mark and fire testing for timber doors and metal doors, our concealed closers are ideal for both residential and commercial applications. Concealing a door closer within the door leaf not only carries aesthetic benefits but also offers the door closer protection from abuse or tampering. Additionally, whilst these closers are not classed as true Angle (degrees) anti-ligature products, by nature of being concealed they do provide less opportunity than surface mounted units.
Electromagnetic
Compliant with EN 1155 standards, our electromagnetic door closers are connected to the building’s fire or smoke alarm system. When activated, this allows the closer to re-engage and close the door to prevent fire and smoke from spreading. There are two modes of operation available; Hold-open: doors are held back out of the way facilitating barrier free access and egress for all. They are released via the fire alarm to ensure fire compartmentation and security. Free-swing: this allows the door to be operated as though there is no door control attached. Free-swing provides the lowest possible opening forces, this supports the door being used by people with impairments; the old, the young and anyone with a disability. As with hold-open, the normal mode of operation is triggered via the fire alarm.
Floor springs
Floor spring door controls are concealed under the finished floor level to offer control to your door with the unit hidden from view. They are especially suited to areas with high traffic as well as heavier doorsets. Available with single or double action operation to ensure a projects design criteria can be met. Our floor spring range can be selected with or without hold-open function. Mechanical hold-open function is suited for use on non-fire doors where it is beneficial for the doors to be held in the open position and can be set at either 90°, 120° or 105°. Electromagnetic hold-open function is approved for use on fire doors where it is beneficial for the doors to be held in the open position.
Rack and pinion
Rack and pinion door controls are the most traditional and widest used style, they are supplied complete with a link arm to allow the opening and closing motion. We offer some of the most efficient rack and pinion closers on the market to ensure doors are easier to open whilst retaining a strong closing force. The range comes in a variety of finishes and every closer has a matching arm set, meaning it is easier to suite and they can be styled to meet almost any application. Our extensive range of rack and pinion door controls for doors and gates have fully adjustable closing and latching speeds which are guaranteed to be consistent across a wide range of temperatures.
Security door closers
World’s first security door closer featuring a Cam-Motion® door control with an integrated latchbolt and escape door strike.
Transom
Traditionally associated with aluminium systems, when fire rated they also offer reliable closing for timber or metal doors. This is particularly beneficial in place of floor springs where a project does not allow for floor mounting. Designed to fit in the door frame at the head of the door, transom closers benefit from being hidden from view and are able to cope with heavier doors. Additionally, the cam design makes them suitable for high traffic locations and with hold-open options, they assist in making buildings barrier free.