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Mast maintenance


2 Apr 2019 | Last update: 23 Dec 2020

A wooden mast spends its entire life exposed to the elements. In the Mediterranean, that means harsh sunlight, year round.

A wooden mast after a couple of years exposure to the Mediterranean sun.

Until recently, the conventional wisdom was that exposed wood should be varnished. Varnish creates a film on top of the wood. Marine varnishes have UV blockers, like sunscreen for wood. It doesn't last for long. The varnish film begins to break down, cracking, splitting, and flaking. It gets ugly real fast. That's what I used last time I cleaned the mast.

Cleaning up damaged varnish is a huge task. You can scrape it off, if your name is Hercules. You can't use mechanical sanding equipment, because the varnish melts and gums up the paper in seconds. You can use chemical paint strippers, but that's just horrible.

Or else you throw money at the problem to make it go away. You pull the mast out of the boat and hire some workers to do the task for you. I don't have that kind of money.

So let me introduce myself. My name is Hercules, and I'm starting at the bottom and working my way up.

A cleaned and sanded section.

It does look stunning when the wood is cleaned up and sanded down.

As I said, the conventional wisdom is to varnish, but that sets you up for a repeat task of Hercules a couple of years down the line.

The alternative treatment is oil. It doesn't form a film on the surface, it penetrates into the wood. The finish is stunning. But no UV protection, so it doesn't last. Oiled wood finishes are easy to touch up when they start to wear away but not if it's the whole mast turning grey in the sun.

But that seems to have changed in recent years. There are now external wood oils that incorporate UV blockers. I asked an architect friend for a recommendation and he suggested "Osmo UV protection oil 420". He uses it for external carpentry on his upscale country houses. So I got a tin of the stuff and a couple of years ago used it on Gemini's hatches. I left them exposed to the sun and the results are fantastic. It does seem to suffer a bit if exposed to lots of salt water, like the forward hatch. But the main hatch doesn't get much saltwater on it, and it still looks perfect 2 years after applying the product. That's good enough for me, varnish wouldn't survive nearly as successfully.

Oil is also much easier to maintain, you can just rub any failed patches down with fine sandpaper and paint a few coats of oil on. With varnish, you have to scrape it down to bare wood and start again.

And to my eye, the finish is even more beautiful than varnished wood.

Oiled wooden mast. I can look at this stuff all day.

Told you I can look at this stuff all day!

What our customers say

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An Engagement Aboard the Gemini

The sailing experience with Dave and his son was fantastic. I proposed to my long-time girlfriend while aboard the Gemini. Dave helped make the moment special by sharing his love of sailing with us and by preparing cava for our celebration. I highly recommend sailing with Dave and the Gemini. Fantastic experience! *****
Mike S |

Great Sunset Sail

My boyfriend and I booked a sunset sail with Dave. The Gemini was a beautiful old ship. We enjoyed a 3 hour sail around the harbor. We brought our own wine on board and relaxed with the views.
cam20152015 | Dallas, Texas

Fabulous sunset sail

We had a brilliant time on board Gemini with Dave. Very relaxed and welcoming. It's a beautiful boat and Dave could not to be more helpful or accommodating - and the sunset over the mountains was stunning. You get to see a unique view of the Barcelona skyline and coast and you can either relax with the sails blowing as he skippers or if you want you can help with the piloting of the boat. And it's great value too!!
Elaine S |

Best Part of our entire trip!

Best part of our entire trip! 9 of us booked very last minute and Dave helped make everything smooth and easy. Great communication. Julio was our captain and we had a blast. An amazing way to experience Barcelona at a tremendous value! Highly recommended!
Jeb213 | Hyannis

Could not have had a better first-time sailing experience

This was a weekend of firsts - first time in Barcelona, first time on a sailboat, first time on the Mediterranean. Skipper Dave's sailing cruise operation is as skillful as it is courteous. Whether you're into talking about the techniques and history of sailing or just sitting back and enjoying the views and sounds of sailing off the coast at Barcelona this is an experience worth every Euro.
Keith H |

A wonderful experience

Although we sailed on unsettled sea day :-)
LihiRa | Zichron Yaakov, Israel

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