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Mast maintenance


2 Apr 2019 | Last update: 28 Jun 2019

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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A Must Do While Visiting Barcelona!

My sailboat trip around the coast of beautiful Barcelona was the highlight of my trip. Captain Dave was a gracious host and worked hard to ensure that our group had a wonderful experience on the blue water’s of the Mediterranean. The views were stunning and watching the sunset from the boat was both mesmerizing and magical. I would highly recommend a trip on the charming Gemini to anyone who wants to have a pleasantly unique experience. You won’t regret it.
David G | Birmingham, Alabama | 7 July 2014

Great Fun

4 of us booked the boat for 3 hours on a glorious Saturday afternoon. Dave was a great Skipper, letting us drink and play music while he took care of the sailing.
Dom S | | 11 July 2018

Amazing afternoon

Me and four of my friends (23-25 y.o.) went sailing with Dave. We spent an amazing afternoon away from the hectic city and enjoyed the Waves, Wind and the sea mixed with some beer and good food. I can recommend this to anyone. If you want to do this on the weekend it is better to reserve in advance, but you can always call and ask spontaneous. Absolutely safe.
Lars174 | Bern, Switzerland | 3 September 2013

Rough waters, but fun!!

We enjoyed our morning with Dave. He let us participate in piloting the boat. It was too rough for swimming, but it was still fantastic to view Barcelona from the water. Thank you!!
Cathy P | | 8 September 2018

Very nice skipper!

The sign-up and transaction online were very smooth. We had to cut our sea promenade short as our son got seasick (first time sailing) due to very choppy waves, but through it Dave proved to be a wonderful skipper, very careful, riding the waves as smoothly as possible, and seems a lovely man. Will try it again in the future, with more clement weather! Thank you Dave!
bedandy | Montpellier | 4 August 2015

Fantastic day of sailing!

What a great experience! We went sailing with Dave in early April for my birthday. Dave is fantastic and Gemini is gorgeous! Seeing Barcelona from sea was gorgeous. Can't recommend doing this enough!
calitravels48 | Los Angeles, California | 21 April 2015

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