X3 about the draft from the windows. But in ours I discovered a gap at each corner where the vertical rubber seal meets the horizontal rubber seal at each corner at the top of the slide. At first I just used a kitchen towel at each corner to stop the air infiltration. To ultimately solve it I went to lowes and bought two lengths of foam water pipe insulation, taped the ends together to make one long piece, cut it to length just under the width if the faux trim, partially closed the slide, using gorilla tape fastened the foam to the wall above the slide. Now when I open the slide the foam compresses and fills the space between the rubber seals transition and the top of the slide.
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