Otherwise known as unplasticised Poly Vinyl Chloride, uPVC is the most popular choice for new double glazed windows.
It has a smart finish, is cheaper than other suitable options and can last for more than 20 years.
However, before it can be used in manufacture it has to be modified. This is because pure PVC is not suitable.
PVC is used in other production areas such as hand bags, shoes and fake leather.
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When you start to get into the technical specifications of replacement windows you will probably come across terminoligy you?ve not heard of before, or don?t understand.? U-Value may well be one such example.
Put simply, the U-Value is how the insulation properties of the window are measured.? We have added a new page explaining it fully to help you understand what it is and why it?s important.
View our double glazing u-value explained page.
We aim to give you the facts about double glazing so that you can make a more informed decision.? If you have any feedback we?d love to hear it.
