
Macalloy is a proven market leader in the design, manufacture and supply of threaded bar systems, liaising with world renowned specifiers and contractors for the development of some truly unique and pioneering structures.
With innovation at the heart of our company ethos, Macalloy has been developing new systems and technologies in Tensile Structures since the early 1980’s. Macalloy is a proven market leader in the design, manufacture and supply of threaded bar systems, liaising with world renowned specifiers and contractors for the development of some truly unique and pioneering structures.

Tension Bars
Since the early 1980s, the architectural range of tension bars have grown in popularity providing designers an opportunity to offer contemporary designs and solutions.

Stainless Cables
The cable system utilises the same Macalloy fork end as the accompanying tension structures range of tension bars and compression struts, allowing for combinations of all three systems.

Compression Struts
Macalloy Compression Struts can deal with the demanding work life of compressive structures, applications vary from lightweight canopies to supporting columns and bridges. Macalloy can offer two adjustable solutions complimenting its family of products.
Benefits of Macalloy
Tension Structures.
- Fatigue resistant rolled thread
- Available in 460N/mm2, 520N/mm2 and now a 550N/mm2 strength for both carbon and stainless
- All products compliant with ETA21/0053 and CE compliant
- Bars and fittings can be supplied primed or painted and/or hot dipped galvanised to BS1461:2009
- Bespoke fittings can be designed to suit customer applications
- Technical literature is available with design calculations and loadings to EC3
- Macalloy engineers are always available to help
Our Projects
New Witry Bridge, Reims , France
View ProjectThe Green Street Pedestrian and Bicycle Bridge, Salem, USA
View ProjectOkavango Delta Bridge, Mohembo, Botswana
View ProjectHammersmith Flyover, London
View ProjectViaducto Marin UTE, Arlaban, Spain
View ProjectTroja Bridge, Prague
View ProjectValiyazheekkal, Kerala India Bridge
View ProjectRegents Park Bridge, Johannesburg, South Africa
View ProjectWainwright Arch Bridge, Blackburn
View ProjectPont Shuman, Lyon, France
View ProjectBrayford Footbridge, Lincoln
View ProjectSofia Bridge, Sofiero Palace, Helsingborg, Sweden
View ProjectKL8 Footbridge, Poznan, Poland
View ProjectNavia River Viaduct, Asturies, Spain
View ProjectJohn Paul II Bridge, Pulaway, Poland
View ProjectYavuz Sultan Selim Bridge, Istanbul , Turkey
View ProjectIzmir Airport, Turkey
View ProjectQuebec City Jean Lesage International Airport, Canada
View ProjectNiagara Falls International Airport, New York USA
View ProjectBirmingham University, Dubai
View ProjectMunich International Airport, Germany
View ProjectDubai International Airport, UAE
View ProjectKuwait International Airport, Farwaniya Kuwait
View ProjectPorto International Airport, Portugal
View ProjectSingapore Changi Airport, Changi, Singapore
View ProjectBratislava Airport Bratislava, Slovakia
View ProjectMalaga Airport Spain
View ProjectAlicante Airport Spain
View ProjectAtrio Villach, Villach, Austria
View ProjectFrankfurt Exhibition Centre, Frankfurt, Germany
View ProjectThe Max Aicher Arena, Inzell, Germany
View ProjectBanff Elementary School, Alberta, Canada
View ProjectThe New Robert Burns Birthplace Museum, Scotland
View ProjectBently Heritage Distillery, Minden, Nevada, USA
View ProjectSilent Stream Sculpture, San Francisco, California, USA
View ProjectFIFA World Cup Arenas in Russia, 2018
View ProjectStadium Zaglebia, Lubin, Poland
View ProjectMelbourne Rectangular Stadium, Melbourne, Australia
View Project02 Dome Prague, Czech Republic
View ProjectLimerick Greyhound Stadium, Ireland
View ProjectRhein Neckar-Arena, Sinsheim, Germany
View ProjectYamuna Sports Complex, New Delhi, India
View ProjectPanaji Town Bridge, Goa, India
View ProjectWaikato River Arch Bridge, Taupo, New Zealand
View ProjectLough Key Forest, Treetop Walkway
View ProjectSheikh Zayed Bridge, Abu Dhabi, UAE
View ProjectPedestrian Bridge, Castleford, England
View ProjectOsman Gazi Bridge, Turkey
View ProjectNetwork Arch Bridge, Trinec-Baliny, Czech Republic
View ProjectMillennium Bridge, London, England
View Project