At the top of my bulkhead in the center of the seam where the water drains, there are some holes caused by rust. Each about 1/2 inch in length, 1/4 in height. Since the rest of the structure is ok, ...
With ships, they'll bolt zinc blocks on, can I "re-galvanize" metal? I ask as I have some flashing that was likely installed in 1938. It was galvanized and is in reasonably good shape. But replacing ...