Search:

https://www.google.com/url?sa=t&source=web&rct=j&url=https://pontoonloader.com/&ved=2ahUKEwjR1YKP1dHZAhXPT98KHc6KCzMQFjAAegQIBhAB&usg=AOvVaw0gd6_cspcDVVXcqHo_6I8k

www.pontoonloader.com

Get the deluxe kit.

If mine were that old...and the coating wasn't too expensive, I'd try it! If not...there's always flex-seal.

I've got a 24' Suntracker Fishin' Barge with a 115 CT Mercury. Loaded I get 21mph according to GPS.