DuraTherm 300 Windows are designed to significantly reduce heat loss and outside noise with excellent weather performance.
Designed to meet the exacting requirements of Document L 2010, the 300 significantly reduces thermal transmittance and enhances the overall U Value. Available in standard colours, a range of textured paint finishes and over 200 RAL colour combinations. Dual colour finising (different internal and external colours) is also available.
... DuraTherm 300 window utilises Smart's innovative thermal break technology, creating a barrier between the cold air outside and warm air inside keeping you warm and comfortable all year round....
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