Weathering Steel Cor-ten
Weathering Steel Cor-ten Weathering Steel Cor-ten

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Weathered steel buildings and fabrications

Weathering steel, best-known under the trademark COR-TEN steel, is a group of steel alloys which were developed to eliminate the need for painting, and form a stable rust-like appearance if exposed to the weather for several years.

The corrosion-retarding effect of the protective layer is produced by the particular distribution and concentration of alloying elements within it. The layer protecting the surface develops and regenerates continuously when exposed to the elements. In other words, the steel is allowed to rust in order to form the 'protective' coating.

At Suffolk Welding we have been involved with several Weathering steel projects including…

Snape Maltings Dove cote studio

 This Corten steel art studio was built within the ruins of a nineteenth century dovecote. The new Dovecot Studio sits inside the ruins of the Victorian structure as a Corten steel 'lining', a welded structure that was built next to the ruin and craned in once complete. The building is fully welded in a single piece, like the hull of a ship, to achieve weather tightness.

Chartfield Avenue Putney

 This project involved redevelopment of a garage building in south west London into a high-spec private house set out over four floors including a single basement. The rust-like appearance of the weathering steel cladding is a striking feature of the cutting-edge design of this private dwelling.

Steelwork was adopted as the primary structural material, with weathering steel as the external finish. This met the architectural requirements set out, as well as allowing the use of cladding as a stressed skin in combination with ribs, minimising requirements for additional primary structure to the perimeter. The use of a monocoque type structure was developed towards a series of prefabricated sections that could be erected onsite quickly and accurately. Connections were achieved by simply bolting the pods together onsite and then welding the weathering steel at its ‘seams’ to form a weatherproof seal. The prefabricated sections were initially fabricated at our workshop.

Structural Steel Design Awards 2015 – Certificate of Merit ..

Garden projects and offices 

Using the knowledge we have gained from the many corten projects we have been involved with we are now starting a range of modular CORTEN buildings that can be delivered to site and bolted together.

Giving you the beautiful colours only CORTEN can give in the most inaccessable space.

Our service is all about your needs..We will send one of our design team to give you the exact space you require to fit the exact space you want it to. We will then take care of any groundworks and fabricate your space ready for delivey.

Windows and doors will be manufactured to your specification , CORTEN,Oak or beech we are happy to make your dream a reality and make a truly beautiful building.

Our installation team will take care of the hardwork and in a very short period of time you are going to see your space taking shape.

Once bolted together any on site welding to insure weather tightness.

Any joinery will be fitted.

Once the outer shell is complete the fun really begins as this space can be anything you want this can be completely insulated and become an annexe,office space tool store and so much more it really is up to you.

Below are just some of the modular designs we are working on....




This isn't a normal garden space this is cutting edge modern styling and with the soft Wooden joinery these building really look amazing



If you have a weathering steel project idea you would like to develop please call our design team and bring your ideas to life.

Other projects Garden bridges, plant pots bespoke furniture, summer houses and much more