Read our expert guide on double glazing - how to get quotes, avoid the traps when dealing with salesmen, finding a reputable company and, most importantly, avoid being overcharged when you install double glazing. There are many horror stories about double glazing salespeople and they certainly have a somewhat less than perfect reputation. However, knowing how they operate means you are one step ahead, less likely to fall for their sales tactics, and have a better chance of paying a reasonable price.

Twofold coating, or double glazing as we commonly refer to it these days, is the most widely recognized sort of installation technique you have presumably known about or you have at present have in this moment. An insulated glass unit (IGU) consolidates different glass sheets into a solitary window framework. Most insulated glass units are twofold coated, which means that they are protected with two sheets of glass, and sometimes even three sheets, which is known as triple coating. In rare cases, people make use of more than three sheets because of the decrease it brings in energy expenses.

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