A. John Seekircher, owner of Seekircher Steel Window Repair in Peekskill, N.Y., responds: The best solution I've found to this tricky problem is a magnetic storm window offered by New York Window (347/538-2075), a fabricator/supplier that specializes in the repair and restoration of commercial and residential metal windows.

In some cases, the company's magnetic storm windows can be mounted directly on the interior side of a casement window sash, so they won't interfere with the window's operation.

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