Attempting to pry apart a factory-sealed IGU to replace only one side often leads to further cracks or a failed seal in the "good" pane. Repair vs. Replacement: What are your options?
You cannot simply remove the broken outer glass and leave the inner one intact. The two panes work as a sealed, gas-filled system. Once broken, that seal is compromised. double pane window one pane broken
Over time, the chemical reaction between moisture, the glass, and the spacer materials causes etching and white mineral deposits (calcification) on the interior surfaces. These cannot be cleaned without disassembling the unit. Furthermore, water accumulation at the bottom of the frame can rot wooden sills or corrode aluminum frames. Attempting to pry apart a factory-sealed IGU to