Sequencing Jack Pads after new barrier coat - SailNet Community

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Old 04-09-2011
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gallilaw is on a distinguished road
Sequencing Jack Pads after new barrier coat

After soda blasting and sanding the bottom, I will put on Interprotect 2000e and an antifouling paint. The boat is on a trailer with six removable pads. When putting on the barrier coat, I can do two of the pad locations first, then replace those pads and paint two more pad locations, then replace those pads and paint the last two pad locations along with the rest of the bottom. That makes one coat of barrier. I need to repeat that cycle three or four times.

However, antifouling paint makers say that the first coat of their paint should be applied within a specified several - hour window after the last coat of antifoul goes on. That makes it hard to seqence, because the barrier will go on in three stages.

The best advice I have received on how to handle the problem is this:

-- Put on all but the last coat of barrier by cycling the pads as usual.

-- Tape off a square area under two pairs of the pads.

-- Drop one of those pairs, put on the last coat of barrier inside the taped off area, wait for the time specified by the antifoul maker, and when dry replace the pads.

-- Drop the second pair of taped-area pads, put on the last coat of barrier inside the taped off area, wait for the time specified by the antifoul maker, and when dry replace the pads.

-- Drop the last set of pads, that has no taped off area around it, and finish the last coat of barrier, then apply the antifoul within the specified time.

If there is a better way of handling the sequencing of tasks, please post it.

Richard Galli
J/27 #148 - Toberina
Vietnam War, Spinal Cord Injury - Good books worth reading
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