hull integrity

I’ll summarize the problem, and then give more details. I have a 1972 35-2 that needs at least one stringer completely replaced located under the floor in the middle of the cabin. I may need to replace the only other stringer running across the cabin located just in front of the engine (the...

We have a crack on the keel along the centerline where the two halves were joined in a secondary bond. I know this has been a topic covered before and I have a fuzzy recall of one instance of a E39 having a similar split. I have pretty much seen every square inch of hull on the inside and...

I recently purchased a 1969 Ericson 23 MK1 and it needs, well, everything. I will be refurbishing this boat into great shape, but for now I need to know if the hull of this boat is solely fiberglass or if it is glass and marine ply and if so, how thick the hull is. I need to install new ribs on...