
Since the early 1980s, the architectural range of tension bars have grown in popularity providing designers an opportunity to offer contemporary designs and solutions.
The lighter carbon and stainless bars are used in white weight canopy’s facades and suspended structures the high strength bars provide support for bridge decks in bolstering bridges the good fatigue properties of the bar an important design feature in road tram pedestrian bridges alike.
Benefits of Macalloy
Tension Bars.
- 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


In the 1980s Sir Norman Foster was commissioned by the French car company Renault to design a hightech building for their UK operations the brief was to maximise the internal space by hanging the roof using external bracing the building now a grade II listed building went on to win numerous design awards and began a trend in wide span structural design using Macalloy Tension Structure products.
Macalloy tension bar range includes a 460N/mm2, 520N/mm2 and the new 550N/mm2 [ETA pending] available in carbon and stainless steel.
All systems are 9001 accredited and approved to European technical approval ETA21/0053, providing the CE certification. Carbon bars can be supplied primed ready for paint or hot dipped galvanised to BS EN 1461 – 2009 all fittings (forks, pins, turnbuckles, couplers and lock covers) are supplied with a galvanised coating.
Fittings are designed to give the maximum amount of flexibility and adjustment, special fittings can be designed to suit customer requirements.
Cast fittings are UT and MPI tested in accordance with European technical approval – ETA21/0053.
Technical literature is available with design calculations and loadings to design code EC3 our technical team is always available to assist with specification, installation and design.
Contact a Macalloy agent today to discuss all things tension rods and architectural structure bars.
Our Projects
Yavuz 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 ProjectMillau Viaduct, Millau, France, Temporary supports
View ProjectMersey Gateway, Cheshire, England
View ProjectKolomoen Footbridge , Hedmark, Norway
View ProjectByens Bro Foot & 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
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