Why windows will have to work harder than ever

By Andrew Mellor2025-10-29T07:00:00

Andrew Mellor considers the considerable technical, social and environmental pressures driving the next stage in window design

Many construction products are having to work harder than ever before, and most will continue to do so as product legislation and building regulations tighten and the earth’s climate changes. There is perhaps no greater example of a product type having to evolve and work harder than a window.

Windows began as rudimentary openings to let natural light in and stale smells out. Openings were screened by basic timber shutters or animal skins to provide privacy and minimise weather ingress.

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