
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
Dipolodocus, Fern, The Natural History Museum, London
View ProjectChateau Des Peres, Rennes, France
View ProjectCau Tay Do Bridge ,Can Tho, Vietnam
View ProjectNội Bài International Airport in Hanoi, Vietnam
View ProjectCentre for World Culture, Dhahran Saudi Arabia
View ProjectLas Arenas de Barcelona, Spain
View ProjectReflective Flow Chandelier, Qatar
View ProjectLondon’s New Sewage System
View ProjectCork Airport, Ireland
View ProjectKraków Bridge, Poland
View ProjectUniversity of Minnesota, Minneapolis, USA
View ProjectUniversity of Canterbury Strongfloor, Christchurch, New Zealand
View ProjectWind Turbine Foundation Anchor Bolt, Uljabuouda, Sweden.
View ProjectQueen Victoria Shopping Centre, Sydney, Australia.
View ProjectEsplora Interactive Science Museum, Kalkara, Malta.
View ProjectDubai Metro Station, Dubai, UAE.
View ProjectCenter Parcs, Longford Fores, Ireland.
View ProjectArc by Crown Apartments , Sydney, Australia.
View ProjectGibson Hotel in Point Village, Dublin, Ireland.
View ProjectClarke Quay, Singapore.
View ProjectThe Art Institute of Chicago, Chicago, USA.
View ProjectInternational Spy Museum, Washington,DC, USA.
View ProjectThe National Library , Stavros Niarchos Foundation Cultural Center ( SNFCC) Athens, Greece.
View ProjectWaterloo Station, London, UK
View ProjectThe Renault Distribution Centre, Swindon, UK
View ProjectGolden Jubilee Bridge, London
View ProjectNew Witry Bridge, Reims , France
View ProjectThe Green Street Pedestrian and Bicycle Bridge, Winston-Salem, NC, 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 Project