Varnish, Sandpaper and Patience: Protecting Champagne’s Woodwork
Hook:
Varnishing a boat is simple: sand, clean, varnish, wait, repeat… and try not to get impatient.
There are some jobs on an old racing boat that look small until you start thinking about them properly.
A little patch of exposed wood.
A bit of tired varnish.
A place where water might have crept underneath the finish.
A wooden edge that has gone dull rather than glossy.
At first glance, it is tempting to say, “I’ll just give that a quick tidy up.”
Unfortunately, boats hear phrases like that and laugh quietly to themselves.
With Champagne, our Thames A-Rater restoration project, one of the next jobs is protecting the exposed woodwork. I have not actually started the varnishing yet, but the preparation has begun. I have bought a good quality marine varnish — Epifanes, recommended by several experienced sailors at Upper Thames Sailing Club — along with 600 grit paper and a wide curved sanding block that can be adjusted to follow the shape of the hull.
That may sound like a small shopping list, but in boat terms it represents something much bigger: accepting that this is not a five-minute job.
It is a job involving varnish, sandpaper and, most importantly, patience.
Why Bare Wood Cannot Be Ignored
Wooden parts on a classic racing boat are not just decorative. They are part of the character, structure and history of the boat.
On a boat like Champagne, the varnished woodwork is part of what makes her look like an A-Rater rather than just another racing dinghy. The gleaming brightwork, the curve of the trim, the mast, spars and wooden details all add to the feeling that this is not simply a boat — it is a piece of river history.
But wood and water have a complicated relationship.
Wood can survive beautifully on boats for decades, but only if it is protected. Once the varnish breaks down, cracks, lifts, or gets damaged, water can start to creep underneath. That is when problems begin.
A small exposed patch can become:
- stained wood
- lifted varnish
- blackened grain
- soft patches
- rot
- expensive repair work
- a much larger job than it needed to be
The trouble is that varnish can look fine from a distance while still failing at the edges. Water does not need a grand entrance. It only needs a tiny gap and a bit of time.
And boats, of course, live in the ideal environment for making tiny problems bigger.
The Suspicious Signs: Has Water Got Underneath?
One of the things I need to investigate on Champagne is whether some water has managed to get underneath the varnish in places.
This is where the job becomes more than just making the boat look pretty.
When varnish is doing its job, it forms a clear protective skin over the wood. When water gets underneath, that skin can begin to lift. The surface may look slightly cloudy, dull, uneven, darkened, or flaky. Sometimes it is obvious. Sometimes it is only visible when the light catches it at the right angle.
This is why I need to go round the boat carefully, not just enthusiastically.
There is a big difference between saying:
“That bit looks a little rough.”
and asking:
“Why does that bit look rough, and has water got underneath?”
The first approach leads to a quick cosmetic patch.
The second approach leads to a proper repair.
And with an old racing boat, the second approach is usually the safer one.
The Tools: Varnish, Paper and a Sensible Sanding Block
I have now bought the first set of materials for the job.
The varnish is Epifanes, which was strongly recommended by sailors at the club. That matters. In theory, I could have stood in a shop reading labels and pretending to be an expert. In practice, when several boat owners who have actually maintained boats on the river say, “Use this,” it is worth listening.
I also have 600 grit paper, which is fine enough for smoothing between coats and preparing existing varnished surfaces without attacking the wood like a man trying to remove paint from a garden gate.
The third useful item is a wide curved sanding block, which can be adjusted to match the shape of the hull or curved woodwork. That should help avoid the classic amateur mistake of sanding unevenly, creating flat spots, or concentrating pressure in one place.
The aim is not to punish the boat into submission.
The aim is to prepare the surface gently, evenly and thoroughly.
That distinction matters.
Sanding: The Part Everyone Wants to Rush
Sanding is one of those jobs that looks easy until you do it properly.
The temptation is to rub at the surface until it looks vaguely smoother, then reach for the varnish because that is the exciting bit. But varnish is unforgiving. It does not hide poor preparation; it preserves it beautifully under a glossy layer so you can admire your mistake for months.
The sanding stage needs to do several things:
- Remove loose or failing varnish.
- Feather the edges where old varnish meets exposed wood.
- Smooth the surface without damaging the shape.
- Create a key so the next coat can bond properly.
- Reveal whether the problem is only on the surface or whether there is deeper damage.
This is also where I will need to be honest.
If a patch of varnish has lifted because water has crept underneath, simply sanding the top and adding a new coat may not be enough. The loose or damaged varnish has to be dealt with properly, otherwise the new varnish is just sitting on top of an old problem.
That is the boat maintenance equivalent of putting a new roof tile over a leak and hoping the rain has not noticed.
Cleaning: The Quiet Step That Matters
After sanding comes cleaning.
This sounds obvious, but it is one of the stages that can make or ruin the job. Dust, grease, moisture and old debris all interfere with varnish. A surface can look ready but still be covered with fine sanding dust.
The wood needs to be clean, dry and free from contamination before varnish is applied.
That means taking time to remove dust properly, checking corners and edges, and not varnishing just because the brush is already in your hand and you are feeling optimistic.
Boats punish optimism.
They prefer preparation.
Choosing the Right Weather Window
One of the difficulties with varnishing is that the boat does not live in a controlled laboratory.
If this were one of our science practicals, I would control the temperature, humidity, timing and conditions. Unfortunately, Champagne is in the real world, where the weather has opinions.
Varnishing needs a sensible weather window. Too damp, too cold, too hot, too dusty, too windy, too likely to rain — all of these can turn a promising job into a sticky disappointment.
The varnish needs time to flow, level and cure. It also needs to be protected while it dries. That is not always easy when the boat is outdoors, the British weather is being British, and every passing insect suddenly decides that wet varnish is the ideal place to spend its final moments.
This is one of the reasons the job has not started yet. Buying the varnish is easy. Finding the right time to use it properly is the real challenge.
The Difference Between Tidying Up and Doing the Job Properly
There is a phrase that should probably be banned from boat restoration:
“I’ll just tidy that up quickly.”
Sometimes a quick tidy is exactly what is needed. But more often, especially with varnish, the “quick tidy” becomes a temporary disguise.
A quick tidy might make the boat look better for a few weeks.
A proper job protects the wood for much longer.
The difference is in the preparation:
- checking where varnish has failed
- sanding back properly
- dealing with any water damage
- cleaning thoroughly
- applying suitable coats
- allowing enough drying time
- sanding between coats if needed
- building up protection gradually
This is not glamorous work. It does not have the instant excitement of launching the boat, hoisting the sail, or taking a dramatic photograph on the river.
But without this kind of work, the glamorous bits become much more expensive later.
Why Rushing Varnish Usually Leads to Regret
Varnishing is one of the great tests of patience.
The instructions always seem simple enough. The practical reality is rather different.
You apply a coat.
Then you wait.
Then you inspect it.
Then you may need to sand.
Then you clean again.
Then you apply another coat.
Then you wait again.
At some point, a dangerous voice appears in your head and says:
“That is probably good enough.”
This is the voice that must be ignored.
Rushing varnish can lead to runs, dust, poor adhesion, trapped moisture, uneven finish and the sort of result that looks fine until the next time the sun shines across it at an unkind angle.
The problem with a bad varnish job is not just that it looks poor. It can also fail sooner, meaning the whole job has to be done again.
There are many jobs in life where rushing saves time.
Varnishing a boat is not one of them.
Personal Reflection: Learning to Slow Down
One of the unexpected lessons of owning Champagne is that the boat sets the pace.
I may want everything done quickly. I may want her looking smart, protected, ready to sail and ready to photograph. I may want to move on to the more exciting jobs: rigging, sails, racing, filming and telling the story of her return to the water.
But the boat has other ideas.
She is an old racing boat. She has had a life before us. She has patches, marks, repairs, history and probably a few surprises hidden under innocent-looking fittings. She is not a flat-pack project with numbered parts and a cheerful instruction booklet.
Working on her properly means slowing down enough to look.
That is not always easy. I am naturally inclined to start solving problems, making things, filming things, writing things and moving on to the next job. But varnishing does not reward that approach. Varnishing rewards the person who waits, checks, prepares, applies carefully and then resists the temptation to poke it.
There is probably a life lesson in there somewhere, although I would prefer it if the lesson did not involve quite so much sanding.
Practical Plan for Champagne’s Woodwork
Before I start, the sensible approach is to make a small plan rather than attack the boat with sandpaper in a sudden burst of enthusiasm.
The practical steps are likely to be:
1. Inspect the woodwork carefully
Look for bare patches, lifted varnish, dark staining, cracks, scratches, cloudy areas and places where water might have crept underneath.
2. Photograph the problem areas
This helps create a record of what needed attention and makes it easier to compare before and after.
3. Decide what needs light preparation and what needs deeper work
Not every area will need the same treatment. Some may only need gentle sanding and fresh coats. Other areas may need varnish removing more thoroughly.
4. Sand carefully
Use the 600 grit paper and curved sanding block where appropriate, taking care not to damage the shape or remove more material than necessary.
5. Clean thoroughly
Remove dust, check the surface, and make sure the wood is dry before varnishing.
6. Apply varnish properly
Thin coats, and the use of thinners, careful brushwork and patience are likely to produce a better finish than trying to achieve perfection in one dramatic coat.
7. Wait
This is the hard bit.
8. Repeat as needed
A good varnish finish is built up. It is not slapped on in a hurry.
The Wider Restoration Lesson
Varnishing Champagne is not just about woodwork. It is part of the wider restoration mindset.
Before a classic racing boat can be sailed hard, filmed beautifully and admired properly, it needs all the quiet jobs done well.
That includes checking fittings, looking at the rigging, sorting covers, protecting wood, examining sails, making repairs and asking experienced people for advice. Some jobs are exciting. Some are messy. Some are repetitive. Some involve standing in a boat park holding a sanding block and wondering how a “small patch” became an afternoon.
But this is how old boats survive.
They survive because somebody cares enough to notice the little things before they become big things.
Conclusion: Patience Is Part of the Restoration
The varnishing has not started yet, but the thinking has.
The materials are ready. The varnish has been chosen. The sanding paper and curved block are waiting. The next step is to find the right weather, inspect the woodwork properly and begin the slow process of protecting Champagne for the seasons ahead.
It would be lovely if boat restoration were a sequence of dramatic moments: the purchase, the launch, the race, the trophy, the sunset photograph.
In reality, it is also sandpaper, dust, drying time, weather forecasts and trying not to rush.
And perhaps that is the point.
A boat like Champagne deserves more than a quick tidy up. She deserves the careful, patient work that keeps her strong, beautiful and ready for the river.
So the job begins before the brush touches the wood.
It begins with looking properly, preparing properly, and accepting that varnish, like sailing, rewards patience.
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