Join Date: Dec 2015
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Re: Interprotect 2000e Barrier Coat
I've used the 2000 on 3 boats the first a blistered bottom the other two so they wouldn't. Years ago Interlux use to have work shops if they still do go to one it takes all the guess work out. Next best thing is read all THEIR literature and adhere to it. They are the only one here with a horse in the race and none of the yahoos on here know any better than the instructions on the can!(including me)
Adhesion to the bottom is all in how clean the bottom is and reading what you wrote have you looked into maybe having it soda or walnut shell blasted? Around here (New England) a 32 foot boat would be about 1200 well worth it just in the Advil savings alone. Bringing it down to the glass putting a coat of the polyester stuff interlux sells, you can't get any better a base, piece of mind and no questions.
Then perp and apply the 2000 the exact way interlux says Time and temp are crucial, a thermometer and clock are part of the tool chest. A chemical and mechanical bond is what you want, try to stay away from sanding between coats use the type roller they say to use if you're going for a speedy bottom get a fluid thickness gauge to insure you achieve total barrier thickness when using the foam rollers.
Thickness of the barrier is key, too little you get wet too much probably you'll end up with adhesion problems between coats but if you do what interlux says you'll be okay.
One of the bottoms I did 15 years after doing it, it was still good and when it sold the surveyor said the bottom was perfect. I sent interlux a thank you note.