I have a 30? boat with a flybridge that has some bad stringers and would like some comments with the idea of adding plywood to the outside of the stringer instead of totally rebuilding them. I?m reluctant to cut the original stringers off or up just because I?m concerned of warping the hull because of the size of the boat. It?s on a trailer now and supported pretty good so am wondering if by epoxying two ?? pieces of plywood on both sides wrapping this in cloth, if this will have the same strength as the original stringer? The original stringer is 2? x 12? wooden beam (not plywood). Picture 1 shows where the 2 x 12?s were spliced (actually just stapled) with a small section of plywood which had to be removed in order to run the plywood from front to back. The drawing below is what I?m thinking of doing. Any comments?