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Bottom rePainting

rlander06

New member
I have a 28 foot fiberglass boat that I took all of the bottom paint off. This had two layers of paint blue and a black layer. I will be painting it myself. Since it had been painted before do i need to sand the hull with 80 grit sand paper again before I apply the paint?
 
if the bottom is in good shape, it depends upon what you did in removing the old paint.... I would just use a chemical etch(liquid) to ensure the new paint has something to grab onto...
 
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