For questions generally relating to the unwanted permeation of water or other liquid, indoor/outdoor air, or fuel gas through a barrier designed to contain it, including identification, repair, and prevention techniques, tools and materials.

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How can I repair leaky windows/doors?

I have a big window above the entrance double door. Whenever it rains against the window I find the leaks at the top of the window corner, at the bottom of the window and in my cold room which is ...