Have a look* at the April/May 2016 Service Tips ("Sealant Call-out sheets") - that should answer your questions. And/or you can call the Winnebago parts department at 641-585-6395.JTsBoss said:.. I see Winnebago has two sealants listed for the sky light but it doesn?t say what they are....
John Hilley said:I used butyl tape on the sky light. then covered screws and edge with Dicor self leveling.