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Cracking is one of the things I'm afraid will happen. Even the manufacturer's technical support department says that this will occur on carvel planked boats. But, my yard has already applied the...

Thanks, Bob. I'm not only learning a lot about marine coatings, but I'm also embracing a "new" technology.

Thanks for the input, Bob. She is carvel planked, mahogany over laminated oak frames, not plywood. We are planning on using Z-Spar 100 as a topcoat. The two unanswered questions about the primer...

Thanks to everyone for your help.

Thanks, Jim. It's starting to make sense to me. So, Awl Grip 545 as the primer, followed by ZSpar Z-100 topcoat?

A light bulb is starting to illuminate over my head. Thanks.

Thank you all for your replies; I appreciate your help very much. Please bear with me, as I'm trying to get educated on this topic, and I may ask dumb questions. Here's what I've learned so far:...

Jackster, I'm reading from the Awl Grip 545 Product Data Sheet, and it says that "545 is a two-component epoxy primer," based on an "epoxy polyamide." But, whether it's an epoxy or a polymer aside,...

She is carvel planked, mahogany over laminated oak frames. I'm not planning on using the Awl Grip "LP topcoat" but Z Spar 100 - Gloss White.

Why do you think that epoxy undercoats are superior...

Thank you all. What are the pros and cons of 545 vs. an oil-based primer? I'm not familiar with epoxy-based paints for use on wood. Does 545 alter the wood it's applied to? Does it in effect put...

Thank you, Ian. Good suggestion about the test patch. I'm starting to be less worried.

Thank you, Bob. That's very reassuring.

I have a 50-year old wooden boat that is professionally maintained. I had the yard wood the hull this winter, and told them to repaint it with oil-based enamel. I had told them I explicitly told...