Antifouling for boats: When, why and how to apply it?

🛠️ Contents

1. Introduction
2. What is antifouling and what is it used for?
3. When should antifouling be applied?
4. Can you apply antifouling yourself?
5. Price of antifouling depending on the size and type of boat
6. Where to get antifouling in Switzerland?
7. FAQ

⚓ Introduction

Applying antifouling is essential to protect your boat's hull from marine fouling (algae, shellfish, etc.). But when should it be done? Can you apply it yourself, or do you need a professional? How much does it cost?

🧐 What is antifouling and what is it used for?

Antifouling is a special paint that protects your boat's hull by preventing :

✔️ The proliferation of algae and shellfish on the hull.
✔️ Loss of performance due to the accumulation of dirt underwater.
✔️ Excess fuel consumptionA clean hull offers less resistance.
✔️ Long-term damage caused by marine organisms.

💡 Good to know: A dirty hull can increase fuel consumption by as much as 20% !

📅 When should antifouling be applied?

1. Recommended frequency

🔹 Every year if your boat is permanently in the water.
🔹 Every 2 to 3 years if you take it out of the water regularly.

2. Best time to apply antifouling

📌 Spring (March to May) Before launching for optimum season.
📌 Autumn (September to November) Before wintering if you want to protect the hull when dry.

💡 Tip: Check the condition of the old antifouling. If it's crumbling or becoming rough, it's time to redo it!

🔧 Can you apply antifouling yourself?

Yes, you can apply antifouling yourself, but it takes time and the right equipment.

1. Steps for applying antifouling

1️⃣ Remove the boat from the water and clean it (high-pressure cleaner recommended).
2️⃣ Lightly sand the old coat for better grip.
3️⃣ Applying an undercoat (if necessary).
4️⃣ Apply 1 to 2 coats of antifouling with a roller or spray gun.
5️⃣ Wait for drying (follow the manufacturer's instructions).

2. Advantages and disadvantages

✔️ Less expensive than going to a professional.
✔️ Flexibility to choose the right moment.
❌ Physical work and dusty.
❌ Risk of error so poorly applied.

💡 Recommendation: For a first antifouling or a large boat, it is advisable to call in a specialist.

💰 Price of antifouling depending on the size and type of boat

The cost varies according to the size of the boat, the type of antifouling and the service provider.

💡 Tip: Request several quotes to compare prices!

📍 Where can antifouling be done in Switzerland?

Here are a few shipyards and ports offering this service:

✔️ Geneva Port des Eaux-Vives, La Nautique shipyard
✔️ Lausanne Port d'Ouchy, Vidoli shipyard
✔️ Neuchâtel : Port de Saint-Blaise, Leuba Shipyard
✔️ Lake Constance Bootswerft Heinrich AG
✔️ Lake Zurich : Werft Rapperswil

💡 Advice : Remember to book your slot in advance, especially in spring!

❓ FAQ - All you need to know about antifouling

1. Is it possible to do without antifouling?

If your boat is often taken out of the water, yes. Otherwise, it is highly recommended to avoid algae build-up.

2. Is antifouling environmentally friendly?

There are antifouling paints free of biocidesmore environmentally friendly.

3. How long does an antifouling last?

Between 1 and 3 yearsdepending on the use and quality of the paint used.

4. Can antifouling be applied to an aluminium boat?

Yes, but you need to use an antifouling special aluminium to prevent corrosion.

5. Are there any legal restrictions on antifouling in Switzerland?

Yes, some products are prohibited. Always check local regulations before application.

🏁 Antifouling for your boat

Antifouling is essential to protect your boat and optimise its performance. You can apply it yourself or go to a professional, depending on your budget and skills. Remember to renew it regularly for a clean hull and smooth sailing! 🚤✨