I used Jet Flex WB on the interior of my -7 and other inside components. For those areas that I recoated, I did rough up the surface slightly with a Scotch Brite pad. It certainly won't hurt.
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Doug Weiler
Hudson, WI
president, Twin Cities RV Builders Group
RV-4, sold
RV-7 completed and flying N722DW, 840 hours
Based Lake Elmo, MN (21D)
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