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The Grid

A groundbreaking office block in Essen with light-flooded workplaces

Hardware technology:

  • Roto AL Designo

Project data

Essen, Germany
BN Architekten
Kölbl Kruse Construction Management GmbH
Type of building
Office building
Facade and window builder
SOMMER Fassadensysteme - Stahlbau - Sicherheitstechnik GmbH & Co. KG
Frame material

Roto solution

Roto AL Designo

Roto AL Designo

Concealed hardware for aesthetic aluminium windows and balcony doors

Requirements: approx. 1,100 sets; dimensions: 465 – 970 x 2,530 / 3,780 mm; weight: 90 – 150 kg; lockable opening restrictor.

Solution: Roto AL Designo; Tilt&Trun hardware for windows up to 180 kg with a locked tilt function; Roto AL | Opening Restrictor 1.2; lockable stop function with a limited opening angle to max. 120mm avoids reliable unauthorised opening of the windows.

Your contact for customised aluminium solutions

Roto Object Business

Certainty in planning and implementing customised aluminium solutions

Technically and aesthetically demanding project implementation requires innovative window and facade element solutions. For particularly large, energy efficient aluminium windows and doors, for which standard components do not fit, we develop economically viable and tailored solutions.

The Roto Object Business experts are your reliable partners for projectspecific window and door technology inquiries. We provide you with customised hardware solutions tailored to your individual requirements with which to implement your ideas.

Roto Object Business