Double Glazed Doors

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Insulating glass i.e IG is also called double glazing. Double glazing generally is composed of 2 glass. The distance between two glass is out of 0.63 and 0.75 inches (16 and 19 mm). Air is trapped between types of insulating material and both glass. This double glazing ensures that there's http://charlie-welsh.snack.ws/about-double-glazing-system.html


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