body repair, rhino liner, jack of all trades

i know that you did not list body repair on your bio, but this is a little off the beaten path.  I have a two man bass boat made out of some sort of strong/hard plastic.  you are probably familiar with them.  on both rear bottom corners there is some damage that allows water in the boat.  my question is would a product like rhino liner or some other sort of bed liner product adhere to the plastic well enough and retain its integrity if i sprayed/painted some on the area as a repair?  i have no experience with the products, and i did not want to mess with a fiberglass patch.  any input you have would be appreciated.  thanks,
rob

Answer
well rob you have stumbled onto the jack of all trades and master of none! yes and no yes if you prepair the surface well it will stick but will it be hard or think enough if you say hit a limp in the water. i would say fiberlass the outside and then maybe spaythe inside for better protection, fill free to ask any other questions
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