Front cabin window seals?

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AlphaJustin
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Front cabin window seals?

Postby AlphaJustin » Wed Oct 18, 2017 9:07 am

Is it possible just to reseal the front cabin windows on an f-25 without pulling the whole window apart? (I read the walk through on that and I am not ready for that yet) Mine started seeping and after winter expansion and contraction I am sure they will be leaking so I need to reseal them. Thanks for the advice.
1972 Trojan F-25 with no TRJ number and a 4 barrel

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Captain Chill
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Re: Front cabin window seals?

Postby Captain Chill » Thu Oct 19, 2017 2:58 pm

On my F-26 the windows were plexiglass. I punched them out from the inside with a rubber hammer and cleaned off all the old silicon/caulking on the frame. (If the plexiglass is going to break while removing it, try to keep it to only two pieces that way you can put them together and still trace the old window onto the new plexiglass sheet.) Make sure to do this because the curve of the frame makes getting dimensions for these frames nearly impossible.

Went to a plastic shop in town and had them trace the old windows onto new dark grey that looks black (the closest thing they had to the tinted glass look that I wanted) plexiglass. Sanded/primed/and painted the window frame then placed the new plexiglass into the frame held in place by clear silicon. Then black caulking around the whole window. No leaks and the new "tinted" windows look fantastic.
'The Pacific Chill' - F26 -1976

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AlphaJustin
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Re: Front cabin window seals?

Postby AlphaJustin » Thu Oct 19, 2017 3:23 pm

Thanks Captain Chill, I may end up just replacing the plexi so I can just force them out without worrying but mine seem to be held in and sealed with some thick black rubber seals so I dont know if I break the seals anything will be left to hold the windows.
1972 Trojan F-25 with no TRJ number and a 4 barrel

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Captain Chill
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Re: Front cabin window seals?

Postby Captain Chill » Thu Oct 19, 2017 9:24 pm

I may have had some of that rubber stuff the first go around of replacing the windows. Either way I sanded all that rubber/goo off down to the bare metal frame. After metal primer and paint, the windows will hold in place with silicone, caulking and gravity.
'The Pacific Chill' - F26 -1976

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AlphaJustin
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Re: Front cabin window seals?

Postby AlphaJustin » Fri Oct 20, 2017 7:35 am

Ah, alright great then I will be tackling that job to avoid the full window removal soon. I appreciate the guidance.
1972 Trojan F-25 with no TRJ number and a 4 barrel

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Paul
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Re: Front cabin window seals?

Postby Paul » Fri Oct 20, 2017 12:35 pm

When I bought my boat, the plexiglass front windows were held in with what looked like clear exterior window & door silicone and they leaked like a sieve. The rubber seals were long gone before I owed this boat. I had to break out the windows from the frames and removed them in pieces, then cleaned and painted the frames. Installed new tinted PlexiGlass that is about an 1/8th inc thick so that it would take the curve. I used a GE Glazing sealant to hold (bond) it in place into the frames and placed brick wrapped on towels in then to hold the curve while the sealer cured. Once cured, I added a fillet of the same sealer all around the outside edge to seal it in the frame. It's been about 14 years now and still no leaks.

Also, be sure to cut the PlexiGlass a little smaller than the frame opening all around to allow for thermal expansion, about an 1/8 of an inch. Too tight of a fit will cause the window to warp on hot days and likely break the seal.

I'll see if I can find the exact sealer number that I used and post it for you.

Hope this helps
Paul
"Cruise Control" 1978 F-26HT
"No Control" 2012 9' Grand RIB

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AlphaJustin
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Re: Front cabin window seals?

Postby AlphaJustin » Fri Oct 20, 2017 6:46 pm

Thank you Paul I appreciate the advice and will look for your next reply.
1972 Trojan F-25 with no TRJ number and a 4 barrel

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Paul
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Re: Front cabin window seals?

Postby Paul » Sat Oct 21, 2017 9:39 pm

Paul wrote:
I'll see if I can find the exact sealer number that I used and post it for you.



It was GE UltraGlaze SSG4000 Structural Glazing Sealant.
Paul
"Cruise Control" 1978 F-26HT
"No Control" 2012 9' Grand RIB

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oldboat1
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Re: Front cabin window seals?

Postby oldboat1 » Fri Oct 27, 2017 11:49 pm

I don't consider myself a sucker for TV stuff (well, maybe a little), but FlexSeal really works. I've used the stuff on my F26 side windows and been leak free all summer -- seems to hold up well too.
Motors should run. People -- not so much.

1980 F26, Mercruiser 305
1979 14' Starcraft, 1957 18 hp Evinrude and '57 3hp Evinrude kicker

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AlphaJustin
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Re: Front cabin window seals?

Postby AlphaJustin » Mon Oct 30, 2017 7:28 pm

Oldboat, I would believe it because it does work great, but I've seen videos that when left in the elements it doesn't last so it made me cautious with flex seal.
1972 Trojan F-25 with no TRJ number and a 4 barrel

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The Dog House
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Re: Front cabin window seals?

Postby The Dog House » Tue Oct 31, 2017 6:54 am

AlphaJustin wrote:Oldboat, I would believe it because it does work great, but I've seen videos that when left in the elements it doesn't last so it made me cautious with flex seal.


I initially used flex seal but as stated it was cracked and dried out after 1 year. It's a temporary fix but not good for a permanent solution.
1971 Trojan F26 with Chrysler 318, Paragon PV31R V Drive, and 15 x 11 Bronze Prop
1979 Starcraft 14' Rowboat with 2011 Mercury 9.9 hp Outboard

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oldboat1
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Re: Front cabin window seals?

Postby oldboat1 » Sun Nov 12, 2017 1:14 am

good info -- thanks. Will recheck it in the spring.
Motors should run. People -- not so much.

1980 F26, Mercruiser 305
1979 14' Starcraft, 1957 18 hp Evinrude and '57 3hp Evinrude kicker


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