4u is a cutting edge Italian seating series designed by S.I. Design. The flowing sleek lines of this chair add to the ambiance of sophistication in any environment while also providing incredible ergonomics, comfort, and functionality. A range of back offerings in mesh, upholstered, or the newest, welded fabric “groove”, which is a sleek and comfortable hybrid of both mesh and fabric. Both white and black frames are available with matching arms and bases. There are extensive arm choices including custom 4u 6-way adjustable armrest—angle, width and height adjustments—and multiple body balance and synchro options enabling you to customize to your exact needs. 4u offers two seat shape options: the euro slim line sit and the enhanced comfort sit. Also available as task stools.
There’s no doubt about it. This chair is 4u.
Black mesh is standard for mesh back chairs.
Black groove is standard for mesh back chairs.
Lorenzo Negrello was born in Pádova in 1953. He Graduatd in Architecture in Venice in 1977. From 1978 to 1988, he was a teacher of design at the Institute of Art in Pádova and at the Art Lycée in Venice. Between 1980 and 1996, designer Lorenzo Negrello worked in partnership with architect Paolo Scagnellato, with two projects being nominated for the “Compasso d’Oro” Industrial Design award.
In 1996 Lorenzo founded S.I. Design with designers Mirco Pegoraro and Mauro Naletto. S.I. specializes in furniture design, particularly for offices and communal spaces. Today, their team of eight focuses on design and technical assistance in product development utilizing advanced modeling programs.
studio: Pádova, Italy.
|4u price list 2022||(1.93 MB)|
|4u brochure||(3.73 MB)|
|Copper Mesh Collection brochure||(4.04 MB)|
|Solutions Overview book 2021||(78.22 MB)|
|Via Look book 2021||(68.71 MB)|
|4u 2D autoCAD files||zip||(2.04 MB)|
|4u 3D autoCAD files||zip||(61.03 MB)|
|BIFMA LEVEL 2 certification||(169.11 KB)|
|CLEAN AIR GOLD certification||(176.86 KB)|
|4u cleaning and care guidelines||(135.13 KB)|
|base to chair assembly instructions||(291.99 KB)|
|33A/35A 4u arm with 6 way adjustment user guide||(147.74 KB)|
|38A/38AG Basic height adjustable arm user guide||(148.87 KB)|
|39A roll back arm user guide||(146.55 KB)|
|51A/51AG/52A/53A 8-way adjustable arm user guide||(162.22 KB)|
|35C stool control user guide||(158.28 KB)|
|67C-SS-FT control user guide||(161.7 KB)|
|67C-SS control user guide||(158.22 KB)|
|67C control user guide||(156.21 KB)|
|74C-12SS control user guide||(157.06 KB)|
|74C control user guide||(155.49 KB)|
|4u upholstered backs integrated adjustable lumbar support user guide||(145.96 KB)|
|LS4B/LS4W 4u adjustable lumbar support user guide||(148.62 KB)|