
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
Atrio 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 ProjectMillau Viaduct, Millau, France, Temporary supports
View ProjectMersey Gateway, Cheshire, England
View ProjectKolomoen Footbridge , Hedmark, Norway
View ProjectByens Bro foot and cycle bridge, Denmark
View ProjectAlmonte Bridge, Spain
View ProjectVoldijk fietsburg Bridge, Tilburg Netherlands
View ProjectKhalifa Stadium, Doha, Qatar
View ProjectStansted Airport, UK
View ProjectAl Wahda Arches, Doha
View ProjectChase Centre, San Francisco 2019
View ProjectCNESST Headquarters, Quebec
View ProjectSolomon Island Bridges
View ProjectGeneva Airport, Switzerland
View Project88 Wood Street, London 2007
View ProjectCutty Sark, London
View ProjectThe Academy Museum of Motion Pictures, Los Angeles
View ProjectVTB Arena, Moscow
View ProjectRoland Garros Stadium, Paris 2020
View ProjectTwin Sails Bridge, Poole 2020
View ProjectTottenham Hotspur Stadium, London 2019
View ProjectUniversity Bridge, Malmö 2004
View ProjectSoccer City Stadium, Johannesburg 2010
View ProjectScottish Parliament, Edinburgh 2004
View ProjectMbombela Stadium, Mbombela 2010
View ProjectLachlan’s Line Bridge, Sydney
View ProjectMarina Bay Sands, Singapore
View ProjectOlympiastadion, Berlin
View ProjectThe Saipan Dragons, Saipan
View Project