Patented use of PUR gives Aluminium windows exceptional thermal performance

Awarded a UK patent, the PURe® range of energy-efficient aluminium windows and doors from Senior Architectural Systems combines design flexibility with exceptional thermal performance.

The new patented system is the first on the UK market to benefit from an enhanced thermal barrier manufactured from expanded polyurethane foam (PUR). Traditionally used in cladding and insulation products, the innovative use of PUR as a thermal barrier in windows and doors gives the PURe ® range the potential to achieve U-values as low as 0.71W/m2 K when calculated as a commercial CEN standard window and 0.93W/m2 K when calculated as a CEN standard door.

Ideally suited for a wide range of applications, the PURe® aluminium windows are available as tilt and turn or casement windows. Senior’s innovative door range also features a choice of the PURe® FOLD and PURe® SLIDE options.

For more information on the PURe® range of energy-efficient aluminium windows visit

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