Building envelopes
Aluminium-glass solutionsfor building envelopes.

Project Qubes, Munich – unitised façade
© PORR
With its specialist ALU-SOMMER, PORR offers customised solutions in façade construction and design. Throughout Europe, we realise technically perfect and aesthetically perfect façades made of metal and glass - from planning to production and installation.
As a technology leader, ALU-SOMMER is constantly developing new solutions for building envelopes that are always customised to our customers' requirements. In doing so, we not only rely on our wealth of experience, but also develop new technologies together with renowned planners and building owners. Our research and development work focuses on special constructions made of aluminium, steel, glass and composite materials for façades and roofs.
The product programme ranges from simple windows to ready-to-install unitised façades. Thanks to in-house development, customised planning, a high degree of vertical integration and in-house assembly, ALU-SOMMER can offer even the most sophisticated façade as a turnkey premium product.
Contact persons.
Building is a people business. This makes personal contact all the more important. Here you will find your contact persons at ALU-SOMMER.

ALU-SOMMER GmbHA subsidiary company of the PORR Group
Certificates/Approvals.
Ensuring quality requirements are met is a top priority at PORR. This is also demonstrated by our certificates and approvals. To ensure we are always up to date, our certificates and approvals are regularly reviewed and renewed by external audits and independent certification bodies.
Solutions from a single source.Safe and economical.
PORR is a technology leader in the planning and construction of sophisticated, customised customer requirements – safe and economical.
We use our extensive expertise to implement tailor-made solutions. We have our own teams of experts in all key trades along the entire construction value chain and offer comprehensive specialist knowledge from a single source: in government services, building construction, industrial construction, structural engineering, mineral raw materials, special civil engineering, tunnelling, environmental engineering and transport route engineering. Our service portfolio ranges from general planning to final implementation.
Our expertise – your benefit:
Holistic planning and execution
Smooth, punctual, accident-free and high-quality completion of your projects is essential for us. We offer all planning and construction services from a single source, from the execution of individual trades to cross-trade solutions including planning, site manager, delivery and installation of all materials.
Construction management: safe and economical
Cost-effectiveness and safety are at the centre of our solid construction management. Consistent, harmonised construction processes, transparency and the stringent implementation of measures for deadline and quality assurance are a matter of course for us.
Certified safety
We set the highest standards in terms of safety and quality. Our solutions guarantee reliable realisation and are confirmed by all the necessary test certificates .
Perfect project management
With sophisticated and proven digital control processes for the planning and execution phase, we ensure cost-effectiveness and safety in construction. Lean management methods help us to monitor and optimise construction progress on a daily basis so that all trades work together smoothly.
Optimised logistics and execution
Thanks to our own employees and the PORR network, we ensure optimal construction site logistics, punctual material deliveries as well as the organisation and execution of all necessary trades. Our promise: Construction from a single source.
Active deadline controlling and quality assurance
It is crucial for clients to be informed about the status of their project at all times. Regular budget and quality checks as well as an overview of schedule adjustments are essential. With our construction status report, you are always up to date.
Short runtimes
Thanks to our synchronised construction process and our many years of experience, we coordinate all work processes efficiently. Our experienced engineers simulate the construction process right at the start of a project, identify potential weak points and optimise the workflow.