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Welcome to Sotech


Experts in Rainscreen Cladding and Facade Systems

Sotech is a leading designer and manufacturer of the Optima range of engineered metal rainscreen cladding and architectural fabrication.


Sotech offers a range of rainscreen cladding solutions, from traditional to contemporary, to bring a project to life. Sotech is at the forefront of rainscreen cladding design, having developed a comprehensive suite of systems. Able to support natural materials such as copperzincstainless steel and aluminium, as well as aluminium composite material, our systems provide architects and specifiers an almost limitless choice, enabling their individual design intent to be fully realised.

The Sotech Optima Range of


Rainscreen Cladding Systems

Secret Fix Hook On


Optima FC+

Precision fit and finish with 20mm joints in both directions, suitable for large and bespoke panel sizes.

Mechanical fixing methods and no use of adhesives, providing true A1 and A2 cladding systems.

User friendly with quick and easy adjustment on site - can be fixed top down, or bottom up, with individual panel removal and replacement.

Fire tested to BS8414. Classified to BR135 and safe to use on high rise buildings in conjunction with Euroclass A1 and A2 – s1,d0 fire rated materials.

Through Fix Cassette


Optima TFC+

Economical alternative to a complete secret fix rainscreen.

Consistency of colour, the cassette recesses are formed from the face of the material.

Accurate installation is both simple and speedy as there is no precise coordination between panel and substructure as there would be with a hook on system. Can be fixed top down, or bottom up.

Fire tested to BS8414, and classified in BR135 for high rise buildings. CWCT tested and certified.

Extruded Plank


Optima XPC

Secretly fixed onto extruded aluminium support framework horizontally, vertically or diagonally. All planks can interlock with each other.

Components meet the requirements of Class 0 fire performance in accordance with building regulations and is fully independently tested and accredited to CWCT standards.

All commercial finishes may be incorporated on one elevation to create an almost limitless effect of colours and shapes.

The aluminium planks are connected by a simple interlocking male/female joint, which offers either a recessed or hairline appearance.

Need a sample?

To request a sample, arrange an appointment or ask a question:


Call +44 (0) 191 587 9213



Sotech is at the forefront of cladding design, having developed a comprehensive suite of systems.


Our architectural and rainscreen cladding systems are able to support natural materials such as copper, zinc, stainless steel and aluminium, as well as aluminium composite material, helping to provide architects and specifiers with an almost limitless choice and enabling their individual design needs to be fully realised.

One Subsea - Optima FC Rainscreen Cladding in use

First Street Manchester - Optima TFC Rainscreen Cladding



Established in 1982, Sotech is a leading manufacturer of bespoke metal rainscreen cladding and architectural façade systems.


The Sotech Optima range of engineered architectural metal façade systems includes cassette rainscreen panels, secret-fix rainscreen cladding panel options, pressed plank and extruded plank cladding, extruded products and architectural fabrication solutions.

What’s new?

Sotech best use rainscreen Facade Awards Leeds Beckett 2

Sotech wins ‘Best Use of Aluminium’ Award for CTAR Leeds Beckett University

The Sotech team cheered via conference when its name was announced by category sponsor Ruukki – winners of the Best Use of a Rainscreen System Using Aluminium category, for their groundbreaking work on Leeds Beckett University. The winners of the Façade Awards UK 2020, which was presented by RCI magazine, were revealed via a virtual event on 11th February, owing to lockdown restrictions in the UK.


The project selected was CTAR Leeds Beckett University, the £45 million home for the School’s undergraduate, postgraduate, and research and enterprise programmes.

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Be amongst the first to receive updates from Sotech, including the latest trends in rainscreen cladding, the newest innovations in our Optima range of rainscreen cladding and photos and videos of recent case studies.

Latest Rainscreen Cladding Case Studies

SOTECH Safe Hands M



Established in 1982, Sotech is a leading manufacturer of bespoke metal rainscreen cladding and architectural facade systems. When you choose us, you’re choosing a safe pair of hands.

Testing / Warranty

Safety has always been our primary concern. Sotech’s commitment to authentic engineering capability has been witnessed over several years in the testing of products as they are being developed. All Sotech Optima Rainscreen has been witnessed and certified by CWCT for wind serviceability and safety, air permeability and water penetration. We have completed several successful fire tests and welcome and encourage full scale system testing.


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Speak to an expert

If you require advice with design detail, assistance with a specification or to discuss your project in detail contact our technical department who have over 35 years experience in the construction industry. The team is on hand to provide knowledge and support at every stage of your project.