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Triple decker Triple glazed windows can achieve a U-value of 0.8W/m2


homeowner the thermal insulation of triple glazing is currently unrivalled.


K or less and can reduce heat loss


by nearly a third more than existing double glaz- ing. Already a popular choice in colder climates like the Sweden and Norway, triple glazing is slowly starting to build momentum in the UK. There are two key factors that could cause inter- est to be piqued this side of the North Sea – the change in the UK’s weather with more extreme, erratic bouts of rainfall, snow and sun, and the continued rise in energy costs. Exceeding the current ‘A’ WER, triple glazing achieves 0.8 U-value, well ahead of the equiv- alent typical double glazed option of 1.5 for an A rated window. This means for the average





Already a popular choice in colder climates like the Sweden and Norway, triple glazing is slowly starting to build momentum in the UK


Steamy windows Insulation is currently the easy-win of energy effi- ciency but by wrapping buildings in insulation and not upgrading the windows to a similar thermal efficiency it is essentially turning the win- dows into cold spots. At night these cold spots draw heat out of the room and off the residents causing condensation to run down the glass unit. So for an insulated property to perform to its full potential, the thermal performances of the glazing and window frame have to be of a sim- ilar standard.


Everyone needs good neighbours As well as its thermal properties, triple glazing is also known for its sound reduction. The addi- tional pane of glass, combined with the argon gas filling work to boost the acoustic perform- ance of the window, reducing the amount of sound leaking into the property. This is ideal for those living close to roads, railways or in busy locations.





Glass trends It’s hard to watch a home improvement or reno- vation programme without someone including a glass ‘structure’ to link the old and the new, or removing the rear face of the existing property or extension and popping in a glazed wall.


With these expanses of glass the thermal per- formance of the building could potentially be reduced, while also having a detrimental impact on security. Triple glazing would not only offer insulation benefits but the additional pane of glass also gives added security against glass break-ins.


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