Hempel Classic Boat Antifoul - 2500ml - Blue

Efficient polishing (erodible) and affordable antifouling providing good protection all season. Su...

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OnBuy.com(True Blue) Hempel Classic Boat Antifoul 2.5L 5709516022210
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Product Information

Full details

This Hempel Classic Antifoul in True Blue is designed for boat owners seeking an affordable and effective solution for hull protection against marine growth. It offers good protection throughout the season, making it suitable for boats constructed from glass fibre, wood, and plywood. While it provides reliable seasonal protection, users should be aware that it is an erodible formulation, meaning it wears away over time and requires reapplication.

All features

ColourBlue
Model Part NumberH71220-30390-2.5L
BrandHempel
Container Volume2500ml

Extended Product Information

FAQs

What type of boat can I use this antifoul on?

Hempel Classic Antifoul is suitable for boats made of glass fibre, wood, and plywood.

How long does the protection last?

It provides good protection for one full boating season. Due to its erodible nature, it requires reapplication annually.

Can I apply this over my old antifoul?

Yes, it can generally be applied over existing sound antifouling paints of unknown type, but it's always recommended to test adhesion in a small area first. Do not use on aluminum hulls.

Do I need to apply multiple coats?

Yes, a minimum of two coats is recommended for optimal protection. Some areas, like the waterline, may benefit from a third coat.

How should I prepare the hull before applying?

The hull must be clean, dry, and free from grease and marine growth. Light abrasion may be necessary for good adhesion.

When should I launch the boat after applying?

Allow the final coat to dry for the specified time before launching. This immersion time varies, so consult the product's technical data sheet for precise details.

Is this paint suitable for aluminum boats?

No, this antifouling paint is not recommended for use on aluminum hulls as it can lead to galvanic corrosion.

Troubleshooting

Antifoul not adhering well

Ensure the hull surface was properly prepared, clean, and dry before application. The previous surface may require mechanical abrasion for better adhesion. Check that no incompatible coatings were applied previously.

Marine growth appearing too soon

Verify that the correct dry film thickness was applied. Ensure a minimum of two coats were used, and consider a third coat in areas prone to heavy fouling or wear. Check that the immersion time was respected before launching.

Paint appears lumpy or contains debris

Ensure the paint was thoroughly stirred before and during application. Filter the paint if necessary before use. Use clean tools and avoid applying in dusty or contaminated environments.

Uneven wear of antifoul

This is normal for erodible antifouls, especially in areas of high water flow or abrasion. Ensure consistent application thickness across the hull to promote even wear.

Pros and Cons

Pros

  • Provides effective protection against marine fouling for a full season.
  • Cost-effective option for boat maintenance.
  • Suitable for a wide range of common boat hull materials.
  • The erodible nature helps maintain a smoother hull surface over time.
  • Available in a convenient 2.5L container.

Cons

  • Requires reapplication annually due to its erodible nature.
  • May not offer the same long-term protection as harder, non-eroding antifouls in severe fouling conditions.
  • Application requires careful preparation and adherence to specific environmental conditions.
  • The 'True Blue' color may not suit all aesthetic preferences.
  • Erodible formulation means some product is lost with normal use.

Setup, Compatibility & Care

Application:

  1. Ensure the hull surface is clean, dry, and free from old antifouling, grease, and marine growth.
  2. Lightly abrade the surface if necessary to ensure good adhesion. For previously painted surfaces, check compatibility.
  3. Stir the antifouling thoroughly before and during application. Apply using a roller or brush.
  4. Apply a minimum of two coats, ensuring at least 4-6 hours of drying time between coats (at 20°C/68°F).
  5. Allow the final coat to dry for the specified time before launching the boat (refer to product data sheet for specific immersion times).

Compatibility:

  • Suitable for glass fibre, wood, and plywood hulls.
  • Can be applied over existing, sound antifouling paints of unknown type, but testing is recommended.
  • Not recommended for use on aluminum hulls due to potential galvanic corrosion.

Care:

  • Store in a cool, dry place away from direct sunlight and extreme temperatures.
  • Keep the container tightly sealed when not in use.
  • Clean application tools immediately after use with a suitable solvent (e.g., brush cleaner or thinner, as specified by Hempel).

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