A mistake no one should repeat.... - SailNet Community
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post #1 of 6 Old 11-19-2014 Thread Starter
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A mistake no one should repeat....

When we bought the Endeavour we made one fatal mistake that no one should duplicate. The prior owner had a lot of paperwork for work done and a couple years prior to us buying the boat the bottom had blister repair and new paint. The invoice showed where barrier paint had been applied. The owner honestly didn't know for sure what had been done. When I saw the bill for over $3000 and that barrier paint had been applied I didn't feel it was necessary to haul the boat out and check the bottom. We should of done that even if it would of cost us.

The story is all too long to put here but I've posted it here along with lots of pictures....

Part 1:

Endeavour Outside Mods page 1 -- 1FATGMC

Part 2:

Endeavour Outside Mods page 2 -- 1FATGMC

Briefly if you don't want to go there it ended up that the boat had.....



...a lot of blisters. Shown above after drying 7 months and then repaired. Then a year later after more drying since we wheren't ready to put the boat back in the water anyway Ruth and I cleaned the bottom, gave it a light sanding so the barrier paint would stick and ....



then applied 3 coats of Sea Hawk's epoxy barrier paint (Tuff Stuff) that has builds of about twice the thickness of other barrier paints so fewer coats have to be applied.

After the barrier paint was on, 2 coats one day and another the next, we put on...



... 2 coats of bottom paint (also the second day). A coat of black and then blue so we could see when the blue was wearing through and a final 3 coat at the water line.

It came out looking good but it was a fair amount of work and that was with someone else sand blasting the old paint off and a crew at the yard doing the blister repair.

When we bought the boat we budgeted about $1200 for new bottom paint but with the need for the blister repair the complete job and materials ended up about $5000. So the moral of the story is pull any boat that you are considering buying out and check the bottom regardless of past repair bills.

Again a lot better description of the work done and more pictures here...

Endeavour 37 Outside Mods Index

Sumner


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post #2 of 6 Old 11-20-2014
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Re: A mistake no one should repeat....

After those long work days you must have been as stuffed as a toy gorilla.

Well done

Sea Life
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post #3 of 6 Old 11-20-2014
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Re: A mistake no one should repeat....

Thanks Sumner.

The final result looks beautiful in any case. The work you put into her really shows!

Regards,
Brad

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post #4 of 6 Old 11-20-2014
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Re: A mistake no one should repeat....

Been there done that Nice work!

Cheers,
Shawn

S/V Windgeist
1982 Tartan 37C

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post #5 of 6 Old 11-20-2014
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Re: A mistake no one should repeat....

In your post you said you only sand blasted,opened blisters,applied filler and sanded the bottom? You didn't didn't consider a peel job or did I miss something? Looking at those pixs there where some serious blistering ..hopefully you won't have to redo the job later on. Also there are different views about barrier coating a ?super? saturated haul ( no moisture readings mentioned)though you say it was out for under a year..as some say a minimum of two years to dry out a haul..

Last edited by aa3jy; 11-20-2014 at 12:22 PM.
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post #6 of 6 Old 11-20-2014 Thread Starter
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Re: A mistake no one should repeat....

Quote:
Originally Posted by aa3jy View Post
In your post you said you only sanded the bottom? You didn't do a peel job or did I miss something?
No there was no need to do a peel job on a boat this old and for what the value of it is and the bottom was still sound.

All the old bottom paint and and the little barrier paint that was on the boat was removed by a professional that has a sandblaster that is designed for this work. He removed the paint until there was just a blush of it and did a really good job for half of the bid we got for sanding it all off.

The the blisters were repaired and the majority were very small with some larger ones that had to be opened deeper for drainage. After the blisters were opened the boat dried for about 7-8 months until there was no evidence of further drainage.

Then the repair was done and the boat dried for another 14 months or so before the barrier paint and bottom paint went on. Since the boat had been sitting for the 14 months we wanted a fresh clean surface for the epoxy barrier paint to grip to so washed the boat and I hit the whole bottom with 80 grit paper. If the boat would of been painted right after the blister repair this wouldn't of been needed. Just a good cleaning as the sand scratches left on the hull from the blister repair would of been fresh.

The crew that did the blister repair has done hundreds of boats and felt the above procedure was the way to go for a good job and I agreed with them.

I've seen them do peels in the yard on some boats and the bottoms were completely different and I could see the need,

Sumner


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