
Fuel tank lining is a process that extends the life of fuel tanks by creating a barrier against rust, corrosion, and leaks. It involves applying a coating or liner to the inside of the tank, which can be made of metal, plastic, or fibre. This process is often used as a cost-effective alternative to replacing damaged or ageing tanks, especially for below-ground tanks that require excavation. Fuel tank lining can be done using various products, such as the POR-15 Fuel Tank Sealer, which is formulated for metal and is impervious to various types of fuel. The DuraChem 500 Series is another example, commonly used for aboveground and underground fuel tank lining by governments and large companies. Proper preparation and cleaning of the tank before applying the liner are crucial steps to ensure the best adhesion and longevity of the lining.
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What You'll Learn

Fuel tank lining products
One popular product is the POR-15 Fuel Tank Sealer, a high-tech sealer that creates a strong, impervious barrier against rust, corrosion, and ethanol fuels. It is formulated for metal and is available in silver. Before applying this product, the fuel tank must be free from plastic parts, contamination, and loose rust. It should also be cleaned with a degreaser and etched with metal prep for better adhesion.
Another product is the AmTech DuraChem 500 series Polylining System, designed for aboveground tanks that store petroleum products like diesel, kerosene, and fuel oil. It is a third-generation Polyurea lining system that can bond to steel or concrete and is applied with a high-temperature, high-pressure spray.
Amazon also offers a range of fuel tank liners, with prices ranging from $13.99 to $627.95. However, it is important to note that not all products may be suitable for your specific fuel tank, and it is essential to follow the manufacturer's instructions for proper application and use.
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Installation process
Fuel tank lining is a remedial service that prolongs the life of fuel storage tanks by installing an additional layer to prevent leaks and spillage. The process of installing a fuel tank lining involves several steps to ensure the safety and effectiveness of the lining. Here is a detailed guide on the installation process:
Step 1: Site Survey and Tank Inspection
Before starting the installation, engineers will conduct a thorough site survey and tank inspection to ensure safety and identify any potential issues. This step is crucial to ensure that the installation process can be carried out securely and efficiently.
Step 2: Uplift Fuel and Clean Tank
Once the site and tank are deemed safe, the fuel is uplifted and the tank is thoroughly cleaned. This step ensures that any contaminants or residues are removed, providing a clean surface for the new lining to adhere to.
Step 3: Prepare Tank Surface
If the tank has any plastic components, they should be removed, as sealants do not adhere well to plastic. The tank should be free from loose rust, old sealers, and contaminants. It is important to follow the specific instructions provided by the manufacturer of the lining product to ensure proper surface preparation.
Step 4: Apply the Lining
After the tank is clean and prepared, the lining can be applied. This process involves using fibreglass and resins to create a strong, impervious layer that restores the tank's mechanical and chemical resistance. The specific application process may vary depending on the lining product and the tank's specifications.
Step 5: Drain and Rinse
After the lining has been applied, the tank is drained and rinsed thoroughly with water. This step ensures that any excess lining material or residue is removed, leaving a clean and properly coated surface.
Step 6: Allow to Dry
The tank is then allowed to dry completely. This step is crucial to ensure that the lining cures and forms a strong, impervious barrier. The drying time may vary depending on the product and environmental conditions.
Step 7: Final Checks and Maintenance
Once the lining is installed and dried, final checks are performed to ensure that the lining is properly adhered and sealed. Proper fuel preservation and stabilization techniques are employed to maintain the fuel system and avoid any potential issues, such as "stale gas" problems. Regular tank checks and maintenance are essential to prolong the life of the fuel tank and lining.
The installation process of a fuel tank lining involves careful preparation, application, and maintenance. By following these steps, fuel tank lining can provide a cost-effective and convenient solution to prolong the life of fuel storage tanks and prevent environmental hazards caused by leaks and spillage.
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Benefits of lining
Fuel tank lining is a cost-effective solution to ensure the longevity of storage tanks. It is a protective coating that can extend the life of fuel tanks and prevent leaks and spills, which could lead to fire hazards and environmental contamination. Here are some of the benefits of lining fuel tanks:
Preventing Leaks and Spills
One of the primary benefits of fuel tank lining is its ability to prevent leaks and spills. By creating a robust, impervious barrier, the lining safeguards the tank from corrosion, rust, and small fuel leaks. This protective coating helps to maintain the integrity of the tank, reducing the risk of environmental hazards and ensuring the safe storage of fuel.
Extending the Lifespan of Tanks
Fuel tank lining can significantly extend the lifespan of storage tanks. By inhibiting corrosion and other forms of degradation, the lining protects the tank from structural failure. This not only reduces the need for costly and disruptive tank replacements but also ensures uninterrupted operations, as maintenance can be performed without ceasing regular activities.
Compliance and Safety
Fuel tank lining helps fuel users comply with legal obligations to avoid leaks and spills. By investing in lining solutions, businesses can avoid substantial fines and penalties associated with environmental violations. Additionally, lining systems that are tested and certified provide peace of mind and ensure protection in the event of a leak.
Cost Savings
Tank lining is a cost-effective alternative to tank replacement. By revitalising old tanks, lining solutions can save businesses the expense of installing new tanks. This process is also less disruptive, as it does not require a complete halt to operations during the relining process.
Innovative Solutions
Fuel tank lining companies offer innovative solutions to meet specific needs. For example, the DuraChem 500 Series by AmTech is a third-generation Polyurea lining system designed for aboveground tanks storing petroleum products. This system can withstand high temperatures and pressures and provides superior adhesion to steel or concrete substrates.
In conclusion, fuel tank lining offers a range of benefits, including leak prevention, extended tank lifespan, compliance with safety regulations, cost savings, and innovative solutions for specific storage needs. By investing in fuel tank lining, businesses can ensure the safe, efficient, and environmentally responsible storage of fuel.
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Repair and maintenance
Fuel tank lining is a sealant that acts as a protective barrier against rust, corrosion, and small fuel leaks. It is important to regularly maintain and repair your fuel tank lining to ensure the tank's longevity and prevent fuel leaks. Here are some repair and maintenance tips for fuel tank linings:
Before applying any new lining or sealant, it is crucial to identify the cause of the damage to prevent similar issues from reoccurring. For instance, if the tank has rusted, it is important to address the cause of the rust to prevent it from reappearing.
Preparation
Firstly, ensure the fuel tank is empty and free from any contaminants. If there are any plastic components inside the tank, they should be removed, as sealants do not adhere well to plastic. Next, clean the tank thoroughly, removing any loose rust, old sealers, or debris. You can use a degreaser and metal prep products to ensure the tank is ready for the new lining. Allow the tank to dry completely before proceeding.
Application
Once the tank is prepared, you can apply the new lining. Ensure you follow the manufacturer's instructions for the specific product you are using. Generally, you will pour the entire can of the fuel tank sealer into the dry, prepared tank. After all surfaces are coated, drain the tank to remove any excess sealer.
Maintenance
After the new lining has been applied, it is important to maintain it properly. Use fuel preservation and stabilizer products to keep your fuel system in proper working order and prevent issues like "stale gas" problems. Regularly inspect the tank for any signs of damage or wear and address any issues promptly.
Additionally, consider using a tank re-tightening process as a quick and cost-effective repair method for single-skin steel fuel storage tanks that have failed due to spot corrosion. This process restores the tank without the need for a full re-lining, and re-tightened tanks are less likely to fail again.
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Cost and longevity
Fuel tank lining is a cost-effective solution to extend the life of a tank. It is a more environmentally friendly way to ensure the tank remains compliant. Tank lining creates a resistant barrier to seal the tank shell, protecting it from corrosion and damage. This barrier also acts as a safeguard against leaks and spills, preventing environmental damage and contaminated fuel.
The cost of fuel tank lining is significantly lower than that of replacing a tank. Tank lining can be done without disrupting operations, avoiding the inconvenience and downtime associated with tank replacement. The cost of tank lining is further justified by the potential fines and penalties that can be imposed for environmental violations and leaks. These fines can be substantial, depending on the severity of the leak and resulting damage. In cases of significant environmental harm, companies may face legal action, larger financial penalties, and damage to their reputation. Additionally, they are responsible for the clean-up costs associated with spills or leaks, which can be significant, especially if groundwater or soil contamination occurs.
The longevity of fuel tank linings can vary depending on the product and installation process. Some companies offer guarantees of up to 30 years, with expected lifespans of up to 75 years. This extended longevity can help businesses avoid the high costs of frequent tank replacements. Regular inspections and maintenance are crucial in ensuring the optimal lifespan of fuel tanks. Well-maintained tanks may remain serviceable beyond their expected lifespan, while poorly maintained tanks may fail prematurely.
The fabrication, materials, application, features, location, size, and maintenance of the storage tank all impact its longevity. For example, steel tanks may be more cost-effective than fibreglass tanks during installation, but they may require additional corrosive-resistant armour or lining to extend their lifespan. On the other hand, fibreglass tanks are known for their ability to resist corrosion in all types of climates, with typical warranted lifespans of around 30 years.
Overall, fuel tank lining is a cost-effective solution that extends the life of storage tanks, prevents leaks, and ensures compliance with environmental regulations. By avoiding the costs associated with tank replacement and environmental violations, businesses can save significant expenses and maintain smooth operations.
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Frequently asked questions
Fuel tank lining is a process of applying a coating to the inside of a fuel tank to extend its lifespan. It creates a barrier that protects the tank from rust, corrosion, and leaks.
Fuel tank lining is necessary to protect fuel tanks from damage caused by rust, corrosion, and leaks. It is also used to extend the lifespan of ageing tanks, turning single-skin tanks into double-wall tanks with an in-built leak detection system.
Fuel tank lining can be applied to tanks made of metal, plastic, and fibre. It can also be applied to welded steel, bolted steel, and concrete vessels.
The process of applying fuel tank lining involves first removing all existing fuel from the tank, followed by a degassing and cleaning process. Then, layers of resin and fibreglass are applied to create a double wall and an interstitial chamber, which houses the leak detection system.











































