I have a friend, has owned lots of boats. Says this worked well to seal windows, cracks etc. Any experience with this?
Capt Tolleys
Liquid that seeks out cracks.
https://www.amazon.com/s/?ie=UTF8&keywords=capt+tolley%27s+creeping+crack+cure&tag=googhydr-20&index=aps&hvadid=181886484606&hvpos=1t1&hvnetw=g&hvrand=12703429848017585389&hvpone=&hvptwo=&hvqmt=e&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9032826&hvtargid=kwd-43871804552&ref=pd_sl_64o2c6q9ut_e_p19
He says the following: Clean them as much as possible first using rubbing alcohol. Let it dry thoroughly. During the season rub them with some armor-all to cut down the UV damage (drying and brittleness). The alcohol is for just under where the rubber seal meets the glass. Water is opportunistic and always seeks the path of least resistance. The creeping cure will prove ameliorative as well as prophylactic. Camper Penicillin!
Iflyfishwhiletracingaleak