A visible "kitemark" on the glass is the consumers assurance that the double-glazed unit has been manufactured to British standards. The BSI has numerous standards, including: U-value verification, Window Energy Rating and Window Installation. The lower the U-value, the better the thermal performance and most local authorities will require this to be 1.8 or better to meet building regulations.
It is now easier to choose the style for your door because homeowners now have more choices. In the old days, most patios can do with any kind of door. Some even think that any door is good enough just as long as it closes and opens when you please it. Of course, if you want your home to be in style then you also have to make sure that the patio door style you choose should not go against your homes general theme.
Double glazed doors are not just energy savers, they also offer other advantages for homeowners. For one thing, they offer an elegant exterior. They also allow more natural light to get inside your home. More natural light would greatly enhance the interior of your home. So, you will get a more elegant exterior and interior with this type of door. If you still have an old fashioned patio door or if you are planning to install a new patio door, consider the great benefits that you will get with a double glazed patio door. You will not only cut down your electric bill with a double glazed patio door, but you will also help reduce carbon emissions and help in keeping the well being of our environment.
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