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Viasit Drumback (Custom)

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  • Description
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- Mesh-covered Drum Shell Backrest



- Synchro Mechanism With 120° Recline



- Free Flow Recline



- Seat Height Adjustment



- Seat Depth Adjustment



- Backrest Height Adjustment



- Automatic Weight Tension Control



- 2d Arms (Height/width) With Soft Touch Pads



- Black Mechanism Finish



- 5 Year Warranty




Your custom Viasit chair is made to order for you and cannot be cancelled once manufacturing has commenced. These products are non returnable unless damaged or faulty. 


Please note: Certain fabric and component selections may incur longer lead times. Once your order has been confirmed with the factory, we'll contact you with an exact chair build and delivery timeframe.


Extensive fabric collections are available but may also incur longer lead times. Free fabric swatches are available on request. Please contact us if you are unsure of colours, designs, or if you want more fabric options.


We are working hard to make sure that our products are delivered to you as quickly as possible, however due to the effects of Covid-19 and Brexit, there may be delays in receiving your order. Please allow some extra time for delivery of your order during busier periods.


The Drumback is a hybrid between a mesh back and a solid back chair. The backrest is created by stretching the fabric on the backrest taught like a drum. This gives the chair the stability and durability of a solid back but with the breathability of a mesh back chair.


The Drumback is the perfect chair for the home office, boasting an incredible suite of adjustment options for the user. As far as ‘true’ ergonomic office chairs go, the Drumback is unrivalled at this price-point.


The optional Ultra Spring upgrade provides exceptionally soft and well supported seating. The central core of the moulded foam seat cushion features 56 pocket springs that provide “point-elastic” support with optimum weight and pressure distribution, effectively relieving pressure points and supporting your sitting posture.


An impressive newcomer, the Drumback has already won design awards such as the prestigious environmental ‘Green Product’, ‘Good Design’ and ‘Mixology’ award. As well as feeling great, it looks great making it popular in modern office landscapes.


Founded in 1980, Viasit stands as a leading innovator of workplace furnishings and have won many awards for their creations. Viasit’s design focus is always firmly on people and their need for comfort, ergonomics and aesthetics.


At Viasit, good design is certainly not for show. It is a question of achieving the optimal blend of form, material, and function and ensuring products are intuitive to use, provide long service, and deliver high quality.



Seat height adjustment - 400-520mm

width 490 mm

Seat depth adjustment - 400-460mm


Height - 510mm

Width - 450mm

Backrest height adjustment - 550-620mm


Height adjustment - 100mm

Width adjustment - 35mm

Depth adjustment - 60mm

Angle adjustment - 30°


135kg (21 stone)


diameter ø 680 mm


5 years