Greetings, This is our first winter in our new Cyclone. Mostly we love the trailer, but we have an issue with the sliding exit window in the slide behind the couch. It will not seal out the wind. It is not a dual pane window, but none of the other windows leak like this one does. Just wondering if anyone else has had this problem and what was done to resolve the problem, short of replacing with dual pane. Thanks for any suggestions.