Newbie with Casita Hehr window question - Fiberglass RV
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Old 09-22-2017, 03:20 PM   #1
Junior Member
Name: Trevor
Trailer: Casita
Posts: 3
Newbie with Casita Hehr window question

Hello all!

New here and have a quick question about my '90 Casita Spirit. I was getting water through my Hehr window and after watching a youtube video, I found out that the weep holes were on the top and that the window was mounted upside down! I pulled the window and it looks like the previous owner put calk between the rubber seal and the RV itself. Maybe a dumb question, but is this correct? Or do I put the butyl tape on the frame, mount it to the Casita and put the calk around the outer lip of the frame?

Thanks for any advice!
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Old 09-22-2017, 03:35 PM   #2
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Trailer: Trillium 2010
Posts: 5,055
Upside down. There's a story there . When I reset my windows, I cleaned the fiberglass using acetone. I applied butyl tape to the window flange. I screwed it in. Mine uses an inner clamping ring and no rubber seal. The butyl oozed for a day or so. I used a dull putty knife to trim. Some folks appy a bead of caulk to keep the butyl clean. I didn't but next time if there is a next time I will. Seven years, no leaks. Good luck, Raz
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Old 09-22-2017, 09:26 PM   #3
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Name: bob
Trailer: 1996 Casita 17 Spirit Deluxe; 1946 Modernistic teardrop
New York
Posts: 5,303
Retighten the screws after a couple days as the butyl may compress some after it sets.
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Old 09-23-2017, 10:18 AM   #4
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Can only second these!!!!
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