The spring sash window is a modern day more economical alternative of the classic box sash window. It uses a spring loaded mechanism allowing for a smaller rebate and is often used in new builds where a flush reveal has been detailed by the architect.

Core Timber Spring Sash Windows offer a choice of frame profiles and glazing bars, along with a variety of specifications to ensure that aesthetic, thermal and acoustic requirements are achieved. Internally glazed providing a secure anti-burglar solution and easier maintenance.

Core can also offer a PAS24 certified option if required.


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If you would like any further information on Core Timber’s products and services or would like to speak to us about a forthcoming project, then please don’t hesitate to get in touch.