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Bigjim 15-07-2019 10:13

Re: Leaky portholes HELP!

Originally Posted by Teknishn (Post 2923096)
Don't know the age of your boat, but are you sure the leaks are coming from the outside of the boat and not from water intrusion into the coachtop sidewalls? When you pulled out the portlights was the sidewall coring material dry? Had this problem on my '81 Hunter 27. Outsides were sealing well but the portlights were still leaking on the inside from water intrusion from a topside hatch.

Yes. The water was coming from the windows. The damage was all localized from the screw holes on the deadlights and from the frames of the old portholes.

Here is a photo of the damage before I pulled out the windows:

You can see the damage to the core from the lower right corner of the window where it was leaking for a long time.

The previous owner had replaced the deadlights but did NOT seal the old screw holes. They simply just used the old holes and water started coming in.

Bigjim 15-07-2019 10:17

Re: Leaky portholes HELP!
Before installing my new windows, I drilled out and sealed ALL the old screw holes with Epoxy. Then I drilled new holes and used butyl tape to seal the windows and screws.

All the deadlights I installed earlier have not leaked. I pulled and replaced my NEW portholes with similar deadlights using butyl tape.

It's supposed to rain tomorrow, so I will be able to check for any new leaks then. Wish me luck!

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