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Old 10-14-2012
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Question Replacing windows by adhesive & Butyl tape?

The previous owner of the C&C 26 which I recently purchased in an attempt to stop water leaks has made a mess of the windows.
***I have purchased 1/4" dark tinted plexiglass which I cut approx 3/4" all around greater then the window frames. I am considering to just surface glue them on by using butyl tape and adhesive and possibly perhaps several screws.
Any suggestions would be appreciated.
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Old 10-14-2012
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Re: Replacing windows by adhesive & Butyl tape?

And you think they're a mess NOW! I want after pics of this job . . . . Seriously though, you best remove the mess there and start over with butyl etc. Check some of the how to stuff by compass marine (maine sail) he is the butyl expert, ton of great stuff there.
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Re: Replacing windows by adhesive & Butyl tape?

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Originally Posted by mikel1 View Post
And you think they're a mess NOW! I want after pics of this job . . . . Seriously though, you best remove the mess there and start over with butyl etc. Check some of the how to stuff by compass marine (maine sail) he is the butyl expert, ton of great stuff there.
I made a mistake - I did not mean Butyl tape but 3M 4991 double sided tape. I have seen several boats at marinas with surface mounted windows strictly relying on the tape adhesion. Seems a simple way of replacing windows and at the same time covering all the screw holes and other imperfections. **But perhaps not? **
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Old 10-14-2012
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Re: Replacing windows by adhesive & Butyl tape?

Is this tape you are considering using strong enough that you are going to bet your life that it will hold those windows on in an unexpected bit of wind and seas?
I'd always heard that the Great Lakes can be treacherous?
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Re: Replacing windows by adhesive & Butyl tape?

GO to C&C owners site. No way this will be an adequate solution just by doing that. This will take a fair amount of p[reparation. Once you remove the old windows you have to repair the water damage as this is a balsa cored area and I am sure that some of the core. has been permanently damaged. This work will take care and time, but can be done Actual relacement windows for all C&Cs can be ordered through SouthShore Yachts.

dave
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Old 10-15-2012
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Re: Replacing windows by adhesive & Butyl tape?

Quote:
Originally Posted by chef2sail View Post
GO to C&C owners site. No way this will be an adequate solution just by doing that. This will take a fair amount of p[reparation. Once you remove the old windows you have to repair the water damage as this is a balsa cored area and I am sure that some of the core. has been permanently damaged. This work will take care and time, but can be done Actual relacement windows for all C&Cs can be ordered through SouthShore Yachts.

dave
OK - New Windows would be my first choice but I fear it would not be cost affective -followed by just replacing the plexiglass but I think the problem would be all those little screws --- have asked SSY for a quote on two main cabin windows.
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Re: Replacing windows by adhesive & Butyl tape?

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Originally Posted by capta View Post
Is this tape you are considering using strong enough that you are going to bet your life that it will hold those windows on in an unexpected bit of wind and seas?
I'd always heard that the Great Lakes can be treacherous?
I appears that some new boats use this method but perhaps they don't just rely on the adhesive bond. Is there more to this then meets the eye?

Just checked the C&C owners pages and googled the subject --- and yes - just adhesive is used to secure the windows and thus eliminating the prone to water leak screws.
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Last edited by anerussis; 10-15-2012 at 08:30 AM.
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Old 10-15-2012
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Re: Replacing windows by adhesive & Butyl tape?

Some friends of ours replaced their windows using 3M VHB tape and were quite pleased with the results--for a short while. Then they began to experience separation and leakage at several locations and that, unfortunately, at sea while en route to Trinidad.

If you are in an area with very high temperatures for long during the year, the adhesive evidently doesn't hold up. Our friends ended up having to drill the new windows to take the barrel bolts and exterior frames the original windows were fitted with to finally defeat their leakage problems.

FWIW...
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Re: Replacing windows by adhesive & Butyl tape?

Quote:
Originally Posted by chef2sail View Post
GO to C&C owners site. No way this will be an adequate solution just by doing that. This will take a fair amount of p[reparation. Once you remove the old windows you have to repair the water damage as this is a balsa cored area and I am sure that some of the core. has been permanently damaged. This work will take care and time, but can be done Actual relacement windows for all C&Cs can be ordered through SouthShore Yachts.

dave
OK got quote Approx $800 for only two windows which I am cut and pasting - not cost effective at all unless one has more money then brains --
Windows for a C&C 26 sell for $250.00 each. These are made from Cast Acrylic
not the regular extruded Plexi. Cast is much stronger than extruded. The
glue to install them we recommend Plexus MA590 which sells for $125.00 per
tube (2 required) and the applicator for the glue we rent for $50.00 for a
two week rental.
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Old 10-16-2012
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Re: Replacing windows by adhesive & Butyl tape?

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Originally Posted by anerussis View Post
OK got quote Approx $800 for only two windows which I am cut and pasting - not cost effective at all unless one has more money then brains ...
Last spring I replaced windows on my C&C 30. They were all scratched up and leaking pretty bad. I had a local shop cut acrylic using my old windows as template. The shop (Maritime Plastics in Annapolis) recommended SCS2000 SilPruf. I didn't want to use any fasteners but I installed a few temporary screws and brackets to hold them in place for a few days until everything cured. The entire project ran about $400.
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