Originally Posted by DeepFrz
Glassing the bottom of a new tank is sentencing it to an early death. Aluminum needs to have air circulating around it to keep it from corroding.
Fastening strips of a very high density material to the tank wherever it comes in contact with the support structure with something like life caulk or 4200 or 5200 so that water can not collect between it and the tank should keep it healthy. I would not buy a boat with a repaired tank such as you are planning. I would get it in writing that the tank had not been repaired and the age of the tank. That is my opinion.
Steve D'Antonio has written several articles in Passagemaker magazine on tanks, how to install, etc. He believes that fiberglass is the best material, but it must be built with the proper epoxy
or (his first choice) vinyl ester resin.
I have looked thru back issues of pasagemaker on line to 2003 and could not find any on tanks. I will continue to look.
However I don't agree with you about buying
a boat with repaired tanks.
Sorry but we repair items on board all the time. and buying
a used yacht is just that. I knew that the tanks on board were probably bad even though my surveyor
did not certifiy that they were or were not. After doing extensive research
on the boat prior to making a offer, I feel I knew the boat better than most surveyors did. All surveyors have a clause in the contract
that says something like places they could not get to or see, they are not responsible for, or something like that.
And believe me when I say that I used the best guy around. I trust him completely. 2nd survey he did for me over the years.
They cant certify everything, because its virtually impossible to see all areas.
But I agree that selling a boat with a bad tank that is undisclosed is not right, but if a repair is done that makes the tank better than it was, stops the corrosion
, keep the fuel inside where it belongs, and adds life to the tank, why would that be wrong?
Anyway since I don't plan on selling this boat anytime soon, its a moot point.
My plan is to repair the tank using marine
tex epoxy, and fiberglass, coat the inside after a acid wash prep with red-Kote, and reinstall it.
I was unsure of what to do when I posted this poll
, and question, but after putting down the first coat of marine tex, I am impressed with how it looks. And I will finish it up with several layers of glass and epoxy, then paint
. It shold be fine for a long time. But prior to retireing on this boat, I will change out the tank for a new one, which will be relatively easy now that I know how to do it.
Thanks to everyone that contributed to this thread, hope someone else will learn as well.
Here is a link to the endeavour forums
on this issue is anyone is interested.
Like any boat that has tankage in the bilge area, pit corrosion
is a problem on these boats. Numerous ways were attmepted to repair this, some even cut out the sides of the hull
to remove the tank costing 5 thousand dollars or more, and some just said the heck with it and installed bladder tanks, or smaller tanks in other areas so they wouldn't have to mess with it.
Its a old boat problem.
But one that is not insurmountable.
Endeavour Sailboat Owners Discussion Forum