Narrowboat Blacking Cost: How Much Should You Expect to Pay?
Narrowboats are a popular choice for people who want to explore the UK’s canal network. However, owning a narrowboat requires regular maintenance, including blacking the hull. Narrowboat blacking is the process of applying a protective coating to the hull to prevent rust and corrosion.
The cost of blacking a narrowboat can vary depending on the size of the boat, the type of blacking used, and the condition of the hull. Generally, the cost of blacking a narrowboat can range from £500 to £2000. This cost includes the cost of the blacking material, labour, and any necessary repairs to the hull.
It’s important to black a narrowboat regularly to protect the hull from rust and corrosion. Neglecting to black a narrowboat can lead to costly repairs in the future. In this article, we will explore the cost of narrowboat blacking in more detail, including the factors that can affect the cost and how to save money on the process.
What is Narrowboat Blacking?
Narrowboat Blacking is the process of applying a protective coating to the hull of a narrowboat. This coating helps to prevent rust and corrosion, as well as protect the boat from the effects of UV rays and other environmental factors. The blacking material used is typically a bituminous tar-based substance that is either sprayed or brushed onto the hull.
The blacking process is an essential part of maintaining a narrowboat’s hull, as it helps to extend the life of the boat and prevent costly repairs. Over time, the hull of a narrowboat can become damaged due to exposure to water, sunlight, and other environmental factors. Blacking helps to protect the hull from these elements and keep it in good condition.
The blacking process typically involves several steps, including cleaning and preparing the hull, applying the blacking material, and allowing it to dry. The process can be time-consuming and labour-intensive, but it is necessary to ensure the long-term health of the boat.
Overall, narrowboat blacking is an important part of maintaining a narrowboat’s hull and ensuring its longevity. It is important to have the blacking process done regularly to prevent damage to the hull and keep the boat in good condition.

Why is Narrowboat Blacking Important?
Narrowboat blacking is an essential part of boat maintenance that helps to protect the hull of the boat from corrosion. The hull of a narrowboat is constantly exposed to water, which can cause rust and corrosion over time. Blacking helps to prevent this by creating a barrier between the hull and the water.
Blacking is a process that involves applying a special paint or coating to the hull of the boat. This coating is designed to be hard-wearing and durable, providing long-lasting protection against water and other elements. The blacking paint is usually made from bitumen or tar, which is why it is often referred to as “bitumen blacking” or “tar blacking.”
One of the main reasons why blacking is so important is that it helps to prevent rust and corrosion on the hull of the boat. If left unchecked, rust and corrosion can cause serious damage to the hull, leading to leaks and other problems. By applying blacking regularly, boat owners can help to protect their boats from these issues.
Another important benefit of blacking is that it can help to improve the appearance of the boat. A well-maintained narrowboat with a freshly blacked hull looks smart and appealing, and can help to increase the value of the boat.
In summary, blacking is an essential part of narrowboat maintenance that helps to protect the hull from corrosion and improve the appearance of the boat. By investing in regular blacking, boat owners can help to ensure that their boats remain in good condition for years to come.
Factors Affecting Narrowboat Blacking Cost
Labour Costs
Labour costs are a significant factor in determining the cost of blacking a narrowboat. The cost of labour will depend on several factors, including the size of the boat, the condition of the hull, and the level of preparation required before blacking.
In general, the larger the boat, the more it will cost to black it. Similarly, if the hull is in poor condition, it will require more preparation work, which will increase labour costs. On the other hand, if the hull is in good condition, the labour costs will be lower.
Materials Costs
The cost of materials is another significant factor in determining the cost of blacking a narrowboat. The cost of materials will depend on the type of blacking used, the size of the boat, and the condition of the hull.
There are two main types of blacking used for narrowboats: bitumen-based and epoxy-based. Bitumen-based blacking is cheaper, but it requires more frequent application. Epoxy-based blacking is more expensive, but it lasts longer and requires less frequent application.
The size of the boat will also affect the cost of materials. A larger boat will require more blacking, which will increase the cost. Similarly, if the hull is in poor condition, it may require more coats of blacking, which will also increase the cost.
In summary, the cost of blacking a narrowboat will depend on several factors, including the size of the boat, the condition of the hull, the type of blacking used, and the level of preparation required. It is important to get a quote from a reputable boatyard to ensure that the cost of blacking is accurate and reflects the specific needs of the boat.
Labour Costs
Labour costs are an essential component of the narrow boat blacking process. The labour cost includes the cost of hiring a professional to apply the blacking to the hull of the narrow boat. The cost of labour varies depending on the size of the boat, the condition of the hull, and the location of the boat.
Preparation
Before applying the blacking, the hull of the narrow boat needs to be prepared. The preparation process involves pressure washing the hull to remove any dirt, grime, or loose paint. After pressure washing, the hull needs to be scraped and sanded to remove any remaining loose paint. The preparation process is time-consuming and requires skill and expertise.
Application
The application of blacking to the hull of the narrow boat is a delicate process that requires precision and attention to detail. The application process involves using a roller or brush to apply the blacking to the hull. The blacking needs to be applied evenly to ensure that the hull is fully protected. After the application process, the hull needs to be left to dry for a specific period.
Labour costs for the preparation and application of blacking on a narrow boat can vary depending on the size of the boat and the condition of the hull. On average, the labour cost for blacking a narrow boat can range from £500 to £2000.
In conclusion, the labour cost for blacking a narrow boat is an essential factor to consider when planning for the maintenance of the boat. It is recommended to hire a professional to ensure that the job is done correctly and efficiently.
Materials Costs
Bitumen
Bituminous coatings are a popular choice for narrowboat blacking. It is a type of paint that is made from bitumen, a sticky, black, and highly viscous liquid. Bitumen is applied to the base plate of the boat to protect it from rust and corrosion. The cost of bituminous coatings varies depending on the quality and brand of the product.
Standard bitumen coatings are the most affordable option, with prices ranging from £15 to £25 per litre. However, it is important to note that these coatings may not last as long as other options.
Two-pack epoxy coatings are a more expensive option, with prices ranging from £30 to £50 per litre. However, these coatings are more durable and can last up to 10 years with proper maintenance.
Two Pack Epoxy
Two-pack epoxy coatings are a popular choice for narrowboat blacking. These coatings are made from a mixture of resin and hardener that creates a strong and durable finish. The cost of two-pack epoxy coatings varies depending on the quality and brand of the product.
Standard two-pack epoxy coatings are the most affordable option, with prices ranging from £30 to £50 per litre. However, it is important to note that these coatings may not last as long as other options.
Premium two-pack epoxy coatings are more expensive, with prices ranging from £50 to £70 per litre. These coatings are more durable and can last up to 10 years with proper maintenance.
Sacrificial Anodes
Sacrificial anodes are a crucial component of narrowboat blacking. These anodes are made from a metal that is more electrically active than the base plate of the boat. When the boat is in the water, the anodes corrode instead of the base plate, protecting it from rust and corrosion.
The cost of sacrificial anodes varies depending on the size and material of the anode. Zinc anodes are the most common and affordable option, with prices ranging from £5 to £15 per anode. Aluminium anodes are more expensive, with prices ranging from £15 to £25 per anode.
It is important to note that sacrificial anodes need to be replaced regularly to ensure continued protection of the base plate. The frequency of replacement depends on the water conditions and usage of the boat.
Overall, the cost of materials for narrowboat blacking can vary greatly depending on the quality and brand of the product. It is important to consider the long-term durability and maintenance requirements when choosing a coating and sacrificial anodes for your boat.
Additional Costs
When it comes to owning a narrowboat, there are several additional costs to consider beyond the initial purchase price. These costs include dry docking, insurance, maintenance, mooring and licence fees, fuel, and heating.
Dry Dock
Dry docking is the process of taking a boat out of the water for inspection, maintenance, or repairs. It is recommended to dry dock a narrowboat every two to three years to check for any damage or wear and tear. The cost of dry docking can vary depending on the size of the boat, the location of the dry dock, and the services required.
Insurance
Insurance is an essential cost for narrowboat owners, as it provides protection against accidental damage, theft, and other risks. The cost of insurance can vary depending on the value of the boat, the level of coverage required, and the owner’s boating experience and history.
Maintenance
Maintenance costs for narrowboats can include regular cleaning, painting, and repairs. It is important to keep the boat in good condition to prevent more significant issues from arising. Maintenance costs can vary depending on the size of the boat and the level of upkeep required.
Mooring and Licence Fees
Mooring and licence fees are necessary costs for narrowboat owners who want to keep their boat on the water. These fees can vary depending on the location of the mooring and the services provided, such as water and electricity hook-ups. The Canal and River Trust manages most of the waterways in England and Wales and charges licence fees for using their waterways.
Fuel and Heating
Fuel costs for narrowboats can include diesel or red diesel, depending on the type of engine. Heating costs can include gas or solid fuel, such as coal or wood. The cost of fuel and heating can vary depending on the size of the boat and the frequency of use.
In conclusion, owning a narrowboat comes with additional costs beyond the initial purchase price. These costs include dry docking, insurance, maintenance, mooring and licence fees, fuel, and heating. It is important to consider these costs when budgeting for narrowboat ownership.
DIY Narrow Boat Blacking
For those who want to save money and have some DIY skills, blacking a narrowboat can be done on your own. However, it’s important to note that it can be a time-consuming and messy process. Here are some steps to follow:
- Firstly, the boat must be lifted out of the water and placed on a dry dock. This can be done by hiring a crane or using a slipway.
- Once the boat is out of the water, it’s important to clean the hull thoroughly. This can be done using a pressure washer or by scrubbing it with a stiff brush. Any dirt, rust, or debris should be removed to ensure the blacking adheres properly.
- The next step is to apply a rust converter to any areas of rust on the hull. This will prevent the rust from spreading and ensure a smooth surface for the blacking.
- Once the rust converter is dry, the blacking can be applied. This is typically done using a roller or brush, and it’s important to apply it evenly and smoothly. Two coats are usually required for optimal protection.
- Finally, the boat can be lowered back into the water and left to dry for a few days before use.
DIY blacking can be a cost-effective option, but it’s important to consider the time and effort involved. Additionally, it’s important to use high-quality blacking products to ensure proper protection for the boat. Some companies may offer discounts or special offers on blacking products, so it’s worth shopping around.
