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 Catalina 25 Specific Forum
 deck light prism repair		  New Topic  Topic Locked
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dasreboot
Admiral

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804 Posts
Initially Posted - 06/12/2013 :  05:19:12  Show Profile  Visit dasreboot's Homepage
cracked the little deck light in the bow by standing on it. Has anyone repaired this in the past?
Todd Lewis
Eowyn 87 TR/WK C25 #5656
ARWEN 84 TR/SK C25 #4031
www.mainsailsailingschool.com
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redeye
Master Marine Consultant

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3476 Posts
Response Posted - 06/12/2013 :  05:49:02  Show Profile
I tried the CD direct replacement and could not get it to seal correctly. Still leaks. Need to replace it with something else.

I think I might glue it up from the bottom, ( glue on a larger piece of plexi on the under side of the deck. ) and then fill from the top with resin. Then cap with the CD direct part to make it flush.

That should seal it up and make it stronger.
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Stinkpotter
Master Marine Consultant

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Djibouti
9082 Posts
Response Posted - 06/12/2013 :  06:40:04  Show Profile
The [url="http://www.catalinadirect.com/index.cfm?fuseaction=product.display&product_ID=1321&ParentCat=35"]Catalina Direct kit[/url] worked for me (although I didn't use the inside lens they provided). It's meant to be set into a heavy bead of silicone so the sealer fills in around the sides. But if I had to do it again, I'd have a plastic shop cut a thicker piece of Lexan and bevel the top edges slighly to make an even stronger lens.
Edited by - Stinkpotter on 06/12/2013 06:43:54
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redeye
Master Marine Consultant

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3476 Posts
Response Posted - 06/12/2013 :  07:41:52  Show Profile
I bedded mine in polysulfide... apparently not the right material for this application. I'll try it again with silicone.
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redeye
Master Marine Consultant

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3476 Posts
Response Posted - 06/12/2013 :  08:05:45  Show Profile
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Prospector
Master Marine Consultant

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Canada
3159 Posts
Response Posted - 06/12/2013 :  08:50:31  Show Profile  Visit Prospector's Homepage
I bed mine with boatlife.

I think it was 3 years ago. No trouble since. Maybe I'm the anomoly. I also had the replacement prism made up by a local plastics shop. Using the drawing Redeye posted, with a couple customizations...

I used thicker plastic and had it bevelled at about 5° to eliminate the raised lip others have had issue with.

Blogpost is here, but the pics went AWOL a while back. http://frosthaus.blogspot.ca/2010/07/a-room-with-view.html
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Stinkpotter
Master Marine Consultant

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Djibouti
9082 Posts
Response Posted - 06/12/2013 :  09:17:06  Show Profile
Polysulfide (Boatlife Life Caulk) is "incompatible" with most plastics. I don't really know the consequences of that, but I go with Boatlife Life Seal with plastics--it's a silicone-polyurethane hybrid that's compatible with plastics, is moderately adhesive, but is removable without taking gelcoat with it (like polysulfide).
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awetmore
Master Marine Consultant

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USA
1144 Posts
Response Posted - 06/12/2013 :  10:36:52  Show Profile
I made a new one out of 1/4" thick translucent white acrylic. We used LifeSeal, not LifeCaulk.

I cut it on a small CNC mill and can share the drawing for that if it is helpful. I found that the dimensions in the Catalina drawing were a bit off and had to cut it 1/8" smaller.
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redeye
Master Marine Consultant

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3476 Posts
Response Posted - 06/12/2013 :  10:38:38  Show Profile
Ah Ha... I went with boatlife caulk and it has been leaking. A real bummer... Next time ( which should be soon ) I'll try boatlife Seal.

Yep... just a tad smaller would have been better for mine also.
Edited by - redeye on 06/12/2013 10:39:34
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.