So i've got holes where someone way before me had extra hoses running through the body. How do you guys repair them. The holes are about four-five inches. I can see where the someone tried to put a fiberglass sheet on one but it is starting to come through. I was thinking of making small square plastic flat pieces and screwing them on the body. And then, putting fiberglass putty on the other side. I know it sounds bad but i'm not sure how to fill the holes without major fiberglass work. There are about three and one big one of three holes connected.