Double glazing is actually a type of window with double glazed units, which can be two panes of glass and an area amongst them, the complex wording for this space is usually a cavity. We ordered the 3 secondary glazing models for our bay window from Clearview, near winters close. https://mylesbbaxt.blog-gold.com/39843325/helping-the-others-realize-the-advantages-of-sound-insulation