Join Date: Jun 2005
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I was commited to the Interlux two-part polyurethane for years, and painted my own boat with it twice, roll and tip. Both times I had the boat inside a building.
Once I'd started my yacht service in Boston, I naturally turned to the Interlux products first because I had no reason to doubt them. In doing a fairly simple accent stripe down the topsides of a 40 foot convertible, I ran into difficulties so varied and frustrating that I will spare you the details. Suffice to say, I finally finished the job, but lost plenty of time and money on it.
I heard so many cockamamie explanations for what had gone wrong from friends that I didn't know what to think. Finally, a guy said things about the solvents used in the Interlux products that explained every abberation I'd encountered during the project. He said I might try Imron, or better yet, U.S. Paints Awlgrip line, as they had a great thick manual and a factory guy would come out and help me with my first project.
It was true. The awlgrip had directions to adjust for a wide range of temperature and humidity. Additives to adjust the paint for anything I could imagine. The factory rep told me over the phone, in great detail, how to prep a 26' fiberglass fishing boat (a Fortin? or something - a sweet boat) and when it was properly prepped (and, granted, inside my shop) he came up from New Jersey or somewhere, and showed how to mix the awlgrip for the exact conditions we had, and apply 3 thin coats of that bright fire-engine red. We were done in about two hours or less.
It glowed. It was amazing. Not a flaw. Brilliant, shining like a custom car show paint job. The boat owner was babbling. "I heard this could happen, but to tell you the truth, I didn't expect it." We opened the shops huge doors and crowds from the boatyard came in to inspect.
That stuff works great, if you mix it right, and apply it right, and from what I saw, it's a great deal more forgiving than the interlux. I still like Interlux paints, but wind, or a change in temp, or shadow/sun spots on the hull can greatly affect the solvents evaporation rate and alter the high-flow characteristics of the paint that provide the shine and flattening of the surface.
Last edited by Hawkeye25; 07-23-2006 at 08:30 PM.