The in-wall slides have wiper seals on all external surfaces (attached to the coach wall) but the bottom. The bottom wiper seal is on the front bottom of the slide (inside the coach). These are thin rubber strips about 1.5 inches wide. The seals are cut where the tracks protrude through the wiper seals. Usually there is where you see light and feel the draft on a cold night. When the slide is in there are foam seals on the inside lip of the slide wall that seal the slide quite well.
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Jim & Roy Davis
2016 Hurricane 31S
1961 Rampside in tow
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