Expert Idea: For optimum efficiency, install vapor limitations with fiberglass in humid locations to avoid humidity buildup. That means the window is double-glazed, which is a great factor. But In addition, it implies the gap in between the panes is now not sealed, Which’s bad. We have to change it. https://juliustdlsx.vblogetin.com/40456587/the-basic-principles-of-double-glazing-alternative