Perfect for concealing fire-rated riser doors, access panels, and internal doors in corridors, landings, and other access areas; Quadra+ is supplied as an integral, four-sided frame and door system, pre-constructed to form a single robust unit. Ideal for hidden commercial access solutions, the concealed riser doorset have been designed and manufactured to the highest standards.
A design innovation – Quadra+ is the original riser doorset from Selo, now featuring an Adjustable Frame to enhance installation speed and fire compliance. The screw-operated adjuster bolts allow for simple and secure Quadra+ frame installation. Watch the video to see it in action:
Each Quadra+ unit is fire tested and comes with acoustic-rated features, ensuring optimal safety and sound control. The factory-painted finish enhances both the aesthetic appeal and durability. Whether you need a single door or a double door configuration, Quadra+ provides versatile options to meet your specific requirements, including locking options for added security.
Engineered to prevent the spread of fire, Quadra+ is fire-rated from both sides, making it suitable for use in riser shafts running through buildings. The locking system is designed to comply with the strictest safety standards, providing peace of mind and meeting every regulatory requirement. Please note that maintenance is made easy, ensuring longevity and reliability in every application. Consider Quadra+ for your fire-rated riser door and access panel needs, where functionality meets the highest safety standards.
The Quadra+ service riser door is designed to be both practical and pleasing to the eye. Each door is bespoke, custom made and achieves a 120 minute fire rating as standard and are fire rated from both sides.
A very economical solution with fire resistance up to 120 minutes whilst maintaining sleek aesthetics. The door leafs are supplied with all ironmongery pre-fitted which allows for a swift and simple installation. The Quadra+ system can be provided in banks of up to 6 doors wide and still maintain 2 hours fire rating, an industry first.
The unique pivot system provides a very simple and quick solution while remaining a fully concealed doorset. The ‘dog-leg’ pivot pin guide makes installation a safer and more secure process. When installing the internal door, push the pivot pin all the way to the top of the slot. Once in position, the pin is effectively locked. Fire-rated up to E120.
Quench® has the fire-stopping material built into the frame for a faster, safer installation removing potential fall risk and hazardous working environments. It also assists in mitigating risk from an installation perspective, giving assurance for both contractors and building control.
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As risers get tighter for space; a common scenario in commercial buildings is where ducting or services are sitting directly behind the door/frame, there is no room for access to pack or fire-stop the frame correctly.
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The only solution on the market that enables you to fit the fire rated riser door system into the rigid wall when the door is to be fitted in projection from the fire compartment wall – allowing your cosmetic wall to be in line with the flush door. Nulfire™ provides a concealed solution that will allow you to stay compliant.
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The ‘dead-matt’ finish is designed to be painted with wall emulsion, the factory painted finish means no masking or special paints required.
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There are 3 main finishes you can have on your Quadra+ Riser Door are: Dead Matt, Smooth or Textured powder coat and Wallpaper. Find out more about our finishes here.
The Quadra+ Riser Door system offers several advantages that make it stand out compared to other riser doors. Some advantages include fire resistance, acoustic attenuation, easy installation, durability and aesthetic appeal. Find out more about Quadra+ here.
The Quadra+ doorset system is available in several configurations to suit different needs including single, double and multi-doors.
The Quadra+ doorsets are made from steel. The technical specifications and various test reports indicate that the Quadra+ steel doorset designs are used in multiple configurations, including single and double leaf configurations, and are mounted in blockwork/masonry walls. The doorsets are designed to provide up to 120 minutes of fire resistance and are tested for both integrity and insulation performance.
The advantages of an adjustable frame, particularly in the context of Selo’s Quadra+ riser doors, include: simple and secure installation, frame alignment, fire compliance and space efficiency. Our Quadra+ frame adjusters explained video is filled with more information.
Quadra+ is a high-performance riser door system designed to conceal unsightly riser doors and service cupboards in various access areas such as corridors and landings.
Specifying a riser door is not always as simple as it seems. So here are three things to remember: always consider the riser doors as part of a system of products as opposed to an independent item. It is good to consider what is going in front of the riser door as you may have some additional finished that will then impact the performance of your door set. Finally always speak to the manufacturer of the door so you can get their tested details and advice and specification support.
Typically, our riser doors come in a minimum size of 450x250mm and a maximum size of 2800mmx1000mm. We don’t hold standard sizes in stock, as we make all of our doors made to order to suit your project.
You can obtain the specifications for the Quadra+ riser door system by contacting the Selo team, or NBS source. These resources should provide you with comprehensive specifications and additional details for the Quadra+ riser door system.
The Quadra+ system is available in two different frame types: concealed frame and visible frame. These frame types cater to different aesthetic and installation needs, ensuring flexibility in various construction scenarios.
You can obtain CAD drawings for the Quadra+ system by contacting the sales team at Selo. You can reach them by calling 020 3880 0339 or emailing sales@selo-uk.com. Additionally, you can download generic drawings here.
Yes, the Quadra+ system is fire-rated. It offers fire resistance up to 120 minutes (E120). This makes it suitable for use in applications where high fire resistance is required.
The Quadra+ has been bi-directionally tested to BS EN-1634 part 1 and smoke tested to 1634 part 3 with a wide variety of sizes and configurations available.
There are two options to protect the riser door before practical completion, we can provide corex, which is a protective plastic corrugated sheet. Alternatively, to use a temporary door which we can provide. Find out more about our Quadra+ Temporary Doors here.
With our Quadra+ Riser Door system there are five key aspects to the door that we’ve designed to really aid and speed up your installation. A single door can be installed in 15 minutes and a double door slightly longer at 45 minutes. Find the key aspects we use to speed up installation here.
The Quadra+ metal riser doorsets can be used in various wall types, including Partition Walls and Shaft Walls. These features ensure that the Quadra+ riser doors can be integrated seamlessly into different wall constructions, making them versatile for various building requirements.
The Quadra+ doorset comes with the following ironmongery: fully pre-hung doorset, unique pivot system and flush escutcheon and concealed lock.
The minimum nib size for the Quadra+ doors is 200mm.
