If the inner or outer pane is cracked, the vacuum seal is broken, and it will become foggy. While you can replace just the glass unit, temporary repairs are rarely effective here; you will likely need to replace the Insulated Glass Unit (IGU) .
If the inner or outer pane is cracked, the vacuum seal is broken, and it will become foggy. While you can replace just the glass unit, temporary repairs are rarely effective here; you will likely need to replace the Insulated Glass Unit (IGU) .