On Tue, 28 Nov 2006 22:00:45 -0500, "Jonathan"
wrote:

Well that is exactly the problem. The instructions say "Use in a well
ventilated space so that vapor smell is not noticeable." This, of course, is
somewhat poor advice for a product that is designed to help make an airtight
space. I can NOT open the window--I just caulked it shut!

I gave up on sealing the windows sashes and just built plastic-covered
wooden frames that screw into the windowframe, with felt gaskets.
Sort of interior storm windows, Ugly as hell, though.