Flush casement windows in the Stellar aluminium system form Epwin Window Systems were used as part of a renovation project at the Library in St Neots, Cambridgeshire.

Gavin Taylor, managing director of Stellar manufacturer Prestige Aluminium, explained: “The original timber vertical sliding windows had come to the end of their purposeful life, something that was affecting the visual appearance and the building’s energy efficiency. New windows were needed to upgrade the thermal efficiency and restore the building’s original appearance.”

For this project, the 41 flush casement windows were manufactured in RAL 8016M, Chocolate Brown to retain the building’s original appearance.

All non-opening windows were constructed using dummy sashes to retain a flush appearance across the building. Trickle vents were incorporated into window mullions because the building’s plaster line meant they could not be fitted into the frame. For safety, all windows were fitted with 100mm restrictors.


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