Per-Fit Windows has completed the largest scale installation yet in the UK of REHAU Polytec 50 at Bangor University

Polytec 50 curtain walling installed at St Mary’s Student Village

  • 9 Dec 2015

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REHAU’s Polytec 50 composite curtain walling system has formed an essential part of the new £30 million St Mary’s Student Village at Bangor University in North Wales.

The new St Marys Village at Bangor UniversityThe installation consisted of 23 REHAU Polytec 50 screens, fitted at heights of up to 11.3 metres by specialist fabricators Per-Fit Windows in Heywood.

Per-Fit collaborated with main contractors Vinci Construction on the project, which also involved the sympathetic refurbishment of the existing quadrangle and ‘1906’ buildings to create a new village environment for the 600 students living on the premises.

The fabricator was appointed for the project based on its previous experience on similar large scale commercial projects. Per-Fit worked closely with both REHAU and Vinci to put together a detailed fenestration specification to meet the cost, efficiency and security criteria set out by the university.

Passivhaus certified curtain walling

The Per-Fit Windows installation at St Marys Village used REHAU TOTAL70 throughout to help blend the old and new buildingsREHAU Polytec 50 was specified over aluminium curtain walling as it offers better thermal performance, achieving a U-value of 1.54W/m2K – the screens have been Passivhaus certified by the Passivhaus Institute to achieve a Ucw rating of <0.8W/m2K.

Recently tested to CWCT standards for performance, the 23 screens are up to 4.1 metres wide and 11.3 mores high and are all double glazed.

The screens were installed in stairwells and entrances, and incorporate aluminium entrance doors complete with electronic entry systems. The system was specified in an anthracite grey on the exterior and are white on the interior.

TOTAL70 PVC-U system

In addition to the curtain walling, over 1,100 windows for the village were fabricated and installed by Per-Fit in the REHAU TOTAL70 PVC-U system, featuring 6mm toughened Coolite ST150 glazing to provide a G-value of 0.41. 

These were fitted throughout both the original buildings and new-builds to give the development a coherent overall look, successfully bending the old with the new. Secured by Design principles were also followed throughout.

#knowhau support

Even the 1906 buildings at St Marys Village Bangor University feature REHAU TOTAL70 windows fabricated and installed by Per-FitREHAU demonstrated its #knowhau commercial support service on the project by helping Per-Fit from the outset with factory and on-site training sessions. The company also provided strength and performance calculations and a CAD drawing service.

Vinci congratulated Per-Fit at the end of the 12 month programme, delivering the project on time despite early delays and accessibility constraints for the installation team.


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