Repairing plastic/polyethylene boats
A glue gun will not work. You have to melt the polypropolene.
Larry Hill
A local vendor showed me a technique for installing fittings into plastic
holding tanks.
It's called "spin welding", and it sounds really complex until you see that it
simply involves cutting a hole and then,literally, spinning the new fitting at
a high speed until the plastic melts and bonds together.
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