Fix Broken Double Pane Window Without Replacing Official

Before attempting to fix a broken double-pane window, consider:

Carefully drill two tiny holes in the corner of the outer pane—one at the top and one at the bottom. fix broken double pane window without replacing

The kit instructions insisted on drilling two small holes at the bottom of the window pane, hidden by the sill. This allowed the dirty cleaning fluid to drain out. I drilled cautiously. A stream of murky water trickled out of the bottom holes, staining the siding of the house. Before attempting to fix a broken double-pane window,

I attached the thin nozzle of a compressed air can to one of the holes and injected air. Almost immediately, a hiss escaped from the other side. I was pressurizing the void. I wasn't forcing the fog out; I was forcing circulation. I drilled cautiously

Clear glass for 6-24 months. The seal is still broken, so fog may return.