True “repair” of a failed seal is rarely permanent. Defogging services (drilling holes, injecting cleaner, adding one-way valves) typically last 1–3 years. Replacement of the IGU is the only permanent solution.
When the seal breaks, moist air enters, the desiccant becomes saturated, and permanent fogging or "blown" glass occurs. 1. Identifying the Problem window double pane repair
Costs vary by size, glass type (Low-E, tempered, triple-pane), and region. True “repair” of a failed seal is rarely permanent
There are three approaches to addressing double pane failure. moist air enters