How To Fix A Double Pane Window Seal Jun 2026

Double-pane windows, or Insulated Glass Units (IGUs), are factory-sealed with a spacer and often filled with insulating gases like argon or krypton. When this hermetic seal fails, the gas escapes and moist air enters, creating condensation that cannot be wiped away.

Report prepared for general guidance. Always consult local building codes and window manufacturer specifications before proceeding. how to fix a double pane window seal