Choosing the Right Antifouling for Your Boat.
Getting the right antifouling protection is essential for keeping your boat in top shape!
When it’s time to gear up for a new season and you’re faced with a sea of options, it might feel a bit overwhelming. But don’t worry – with a little insight, you’ll be navigating your choices like a pro!
The crucial question is: will you go for hard or eroding antifouling?
Hard Antifouling
Hard antifoulings are like the superheroes of marine protection. They work by releasing biocides from their strong surface to fend off unwanted fouling organisms. What’s amazing is that they don’t really wear down over time, although some gentle wear from silt or sand might occur. As seasons pass, the biocide leaching may slow down a bit, so a little buildup of product may need to be tackled eventually. If you have a speedy vessel that loves to hit the waves often, hard antifouling is typically your best bet! These types work wonders for boats in fresh water, since eroding antifoulings are designed to wear away in saltwater, which may not work as well in fresh settings.
For racing enthusiasts, hard antifouling is the way to go! You can give it a sleek finish with burnishing or wet sanding before your big race! Among hard antifoulings, there’s an exciting option that features a fluoro micro-additive, ensuring a smoother, faster hull than ever before! This choice is a favorite for avid racers who prioritize keeping their hulls clean and swift over everything else!
Eroding Antifouling
Now, let’s dive into the fantastic world of eroding antifoulings, also known as soft or ablative antifoulings!
These beauties also release biocide but do so by gently eroding in seawater, eventually leaving little to no antifouling on your hull. If you ever wipe your hull, you’ll see a delightful little cloud of product wash away! They offer excellent all-around performance across a wide range of fouling conditions! Eroding antifoulings are perfect for those who adore a low-maintenance lifestyle! You’ll notice far less buildup of old paint on your hull after each season. Just keep in mind that a slow accumulation can still happen if too much paint is applied; occasionally, you’ll need to clean that up before adding fresh layers to keep everything smooth sailing!
SPC (Self-Polishing Co-Polymer)
Within the realm of eroding types, we have the awesome subcategory known as self-polishing co-polymer antifoulings! With their complex chemistry, they offer a uniquely controlled release of biocide and erosion. As they grace your hull, their paint film becomes smoother over time, which is why they’re celebrated for their self-polishing properties! These products are fantastic for larger vessel owners who want to stretch out the time between maintenance while enjoying exceptional all-round performance.
So there you have it – a thrilling look into the world of antifouling! Now you can confidently choose the best option for your vessel and get ready to make waves this season!
Guide to antifouling
Antifouling application guide and some Top tips from us at TCS Chandlery!!
It's that time of year when all the marinas start to fill up with boats on the hard standing.
Antifouling is likely the most common boat maintenance task at this time of year. It's recommended to antifoul your boat annually if it remains in the water to prevent excessive buildup of barnacles and other marine growth. With the right tools and time, antifouling can be a cost-effective way to maintain your boat.
1. Choose the correct Antfoul paint
Different types of sailing, coupled with different types of berths require a certain type of Antifoul Paint. There is a short guide above which should help you choose the correct type of antifoul paint.
TCS top tip..
When the previous antifouling paint on your boat is unknown, it's best to apply an underwater primer first before applying a new antifouling paint. While most antifouling coatings are compatible, it's always a good idea to check with the team at TCS Chandlery just to be safe.
2. Choose the correct tools.
We recommend:
Prep
- Pole, mesh sanding kit - this will help to cover larger areas quicker and it doesnt clog as quickly
- Carbide scraper for tough patches and barnacles!
- Gloves
- Overalls
- Goggles
- Mask
- Finishing
- Larger roller tray set
- Smaller roller tray set
- wet-and-dry sanding paper
- a small selection of differing sized paint brushes
- Masking tape
TCS top tip..
Good preparation is key, read all manufacturer's instructions before starting. Choose wool or synthetic mohair rollers for applying antifouling paint. Foam rollers can dissolve or disintegrate when used with antifouls.
3. Dressing up time! Use protective clothing, face masks, gloves and goggles.
It's very important to make sure you don't get any of the old or new antifoul on you as it is a hazardous substance. You will need a good selection of protective clothing including a disposable suit, several pairs of disposable gloves, protective goggles & face masks.
TCS top tip..
It is best to work outdoors in a safe and secure location. If you are working inside, ensure the space is very well ventilated. Use a tarpaulin underneath your boat to capture any loose antifoul. Choose a dry day, with as little wind as possible. Ensure pets and children do not come close and avoid food and drink while working.
4. Clean & Prepare the Surface - Remove growth & barnacles.
Before applying any antifoul paint, the boat's hull needs to be thoroughly cleaned and prepared. This is to ensure your new paint will properly adhere and be effective.
Jet wash your boat, and inspect the hull for any obvious signs of wear. Any serious issues should be treated professionally before continuing.
Scrape and rub down the hull, removing any loose existing antifoul and growth. Antifoul paint strippers are great for removing several layers of paint. Where required pay special attention to the keel. Check for any signs of corrosion or rust and treat with a rust convertor if necessary.
TCS top tip..
To minimise dust, never dry sand the hull. Use an orbital sander with a vacuum attached or make sure you are wet sanding the hull with wet and dry sandpaper.
Pole, head and mesh set will make your life a lot easier and for hard barnicles a Tungsten Carbide scraper is essential
5. Damaged Gel Coat.
Remember to fix chips in the gel coat, this can be repaired with an epoxy filler - always use one that is suitable for underwater repairs.
6. Prime peeling paint patches.
During cleaning and preparation of the boat's hull make sure to check for peeling paint. Remove any peeling and flakey paint and if necessary re-prime those areas with underwater primer.
Primers and undercoats are here
7. Applying Antifoul Paint.
Make sure to stir the antifoul paint thoroughly to get a consistent texture and pour into a paint tray. A paint stirer will make sure the paint is properly mixed throughout the can
Use a paintbrush to apply the antifoul paint in any areas that are difficult to reach with a roller, such as the keel and rudder. Use a roller to apply the antifoul paint to the rest of the hull, starting at the waterline and working downwards.
Apply the paint in thin, even coats, making sure to avoid drips and runs. You can use Thinners to make your antifoul easier to apply and ensure even coats. Check on the paint tin which thinners are recommended, usually Thinners Number 3.
Check the manufacturer's instructions or product data sheets for the recommended number of coats and drying times. Allow the antifoul paint to dry completely before launching the boat.
If paint should come into contact with your skin wash off straight away, following manufacturer's guidelines. Clean up safely, protecting yourself and others, by following your marina or boatyard rules
TCS top tips..
A paint stirer will make sure the paint is properly mixed throughout the can
People often assume one coat is enough, but for best results 2-3 coats of antifouling paint is recommended.
In summary, preparing and painting a boat with antifoul requires proper surface preparation, careful application of the paint, and protective gear. By following these steps, you can protect your boat from the damaging effects of marine organisms and extend the life of your vessel.
We own boats, we carry out maintainance on boats so ask us for advice... chances are we have learnt from our mistakes! Why not buy the kit from TCS Chandlery and grab advice at the same time?