New Window Technology

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Part of the video series: How to Replace Windows

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Summary: Explore technological changes in window making and manufacturing with a window installation engineer in this free video on remodeling your house.

Views: 980 | Tags: improvement, remodeling, construction, designs, adding, windows, homes

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About the Expert

Dave Belch After working for his father, Dave Belch has been in the window business for twenty-seven years. He was an installation engineer for sixteen years with Thermo... read more

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Video Transcript

New Window Technology

Hi I am David Belch and today I am with Expert Village to show you how to install windows. What I want to show you today is todays window versus the older windows and the prime windows that we were replacing. This window is susceptible to rot. They have what they call virgin vinyl. The older vinyl windows were reproduced vinyl and it would crack and they would break. This new vinyl they have now is a duranyl type vinyl and you can actually hit it with a hammer. It is extremely strong. They are entirely welded windows. There are no screws holding this window together. It is a hot plate, four point welder that they use to put these windows together. If you try to break these welds, what will happen is that they will break on either side of the weld. The weld is stronger than the actual vinyl itself. The glass now that they use is the 1 inch dead air spacer and the spacers that they have now actually have a void in the middle of them. In the older ones they had a desiccant space and they had vents and the metal would actually transfer the outside heat and the inside heat and you would have condensation and now they have separated that and you have a void that separates the glass from the outside and the glass from the inside. It has got about 200 per cent more desiccant than they used to have in it. The outside glass has a low admittancy glass what they call "low e", and what it is a 10 oxide coating on the inside of the glass which reflects long wave radiation which is heat so it keeps the heat in the cold and keeps the heat out in the summer. That's basically it.