
POR-15 Fuel Tank Sealer is a paint-like product that can be used to seal rusty and leaky gas tanks. It is formulated for metal surfaces and is impervious to all fuels, including diesel, E10 ethanol, and high alcohol content fuels. The product comes in silver and has superior strength and fuel resistance. It acts as a liner and stops rust, corrosion, and small fuel leaks. While some users have found it effective, others have noted difficulties in removing the sealer. Proper preparation and application techniques are crucial for achieving the desired results.
| Characteristics | Values |
|---|---|
| Purpose | Coating and sealing rusty, leaky gas tanks |
| Effectiveness | Positive reviews for sealing small leaks and stopping rust |
| Ease of Use | Easy to use but challenging to open, pour, and seal |
| Preparation | Requires thorough cleaning and drying before application |
| Application | Brush application not recommended |
| Adhesion | Proper preparation ensures better adhesion |
| Plastic Components | Does not adhere well to plastic; plastic parts should be removed |
| Colour | Silver |
| Coverage | 8 fl oz can coat a 6-gallon fuel tank |
| Drying Time | Fully sets in 48 hours |
| Safety | Use in a well-ventilated area and wear proper safety equipment |
| Removal | No straightforward solution; mechanical removal or painting over recommended |
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What You'll Learn
- POR-15 Fuel Tank Sealer is formulated for metal and stops rust, corrosion, and leaks
- It is impervious to all fuels, including diesel, E10 ethanol, and high alcohol content fuels
- It is available in silver and comes in 8 fl oz and 32 fl oz (quart) sizes
- It is easy to use but requires proper preparation, including cleaning the tank with POR-15 Cleaner Degreaser
- It is important to note that POR-15 does not adhere well to plastic, so plastic parts should be removed before application

POR-15 Fuel Tank Sealer is formulated for metal and stops rust, corrosion, and leaks
POR-15 Fuel Tank Sealer is a high-tech sealer formulated for metal that is impervious to all fuels, including diesel, E10 ethanol, and high alcohol content fuels. It is designed to act as a liner and prevent rust, corrosion, and small fuel leaks.
The product comes in silver and is known for its superior strength and fuel resistance. It is important to note that the fuel tank must be free from plastic parts, contamination, and structurally sound before applying the sealer. Tanks should also be free from loose rust and old sealers. For optimal adhesion, it is recommended to clean the tank with POR-15 Cleaner Degreaser and etch it with POR-15 Metal Prep.
The POR-15 Fuel Tank Sealer has received positive reviews from customers who have used it to restore old, rusty, and leaky fuel tanks. They have reported that the product is easy to use and effective in stopping leaks. One customer mentioned that it gave a 30-year-old rusty fuel tank new life, and another said it worked well on their 40-year-old motorcycle tank.
However, it is worth noting that some customers have found the can hard to open, pour, and seal. Additionally, one user mentioned that their tank developed minor leaks halfway through the cleaning process due to rust removal, but they were very small and did not affect the overall performance of the sealer.
Overall, the POR-15 Fuel Tank Sealer is a reliable product for those seeking to extend the life of their fuel tanks and prevent issues caused by rust, corrosion, and leaks.
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It is impervious to all fuels, including diesel, E10 ethanol, and high alcohol content fuels
POR-15 Fuel Tank Sealer is a high-tech sealer that is impervious to all fuels, including diesel, E10 ethanol, and high alcohol content fuels. It is formulated for metal surfaces and acts as a liner, preventing rust, corrosion, and small fuel leaks.
The product is designed to be used on fuel tanks that are free from plastic parts, contamination, and structurally sound. It is important to prepare the tank properly before applying the sealer, ensuring that it is free from loose rust, old sealers, and cleaned with a suitable degreaser.
The POR-15 Fuel Tank Sealer comes in a silver color and has superior strength and fuel resistance. It is available in 8 fl oz and 32 fl oz (quart) sizes, with the smaller size being sufficient for coating a 6-gallon fuel tank.
Reviews of the product are generally positive, with users reporting successful results in restoring rusty and leaky fuel tanks. Some users have noted that the product is hard to open, pour, and seal, but overall, it is considered effective in sealing and protecting fuel tanks from various fuels, including diesel and ethanol blends.
One user specifically mentioned using the POR-15 Fuel Tank Sealer on a 40-year-old motorcycle tank that was badly rusted and leaky, and found that the ethanol-laced fuel did not seem to affect the sealer's performance.
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It is available in silver and comes in 8 fl oz and 32 fl oz (quart) sizes
POR-15 Fuel Tank Sealer is a high-tech sealer designed for metal fuel tanks. It is formulated to be impervious to all fuels, including diesel, E10 ethanol, and high alcohol content fuels. The sealer acts as a liner and effectively prevents rust, corrosion, and small fuel leaks. It is available in silver and comes in 8 fl oz and 32 fl oz (quart) sizes.
The 8 fl oz size is suitable for coating smaller fuel tanks, such as those found in motorcycles and lawn equipment. It is easy to use and provides a strong, flexible, and non-porous barrier. This size is ideal for restoring and sealing smaller, rusty, and leaky fuel tanks.
The 32 fl oz (quart) size is recommended for larger fuel tanks, typically found in cars and trucks. It provides the same superior strength and fuel resistance as the smaller size. This size is perfect for coating larger surface areas and ensuring full coverage.
It is important to note that proper preparation and adhesion are crucial for the best results. The fuel tank should be free from plastic parts, contamination, and loose rust. It should be thoroughly cleaned and prepared using products like POR-15 Cleaner Degreaser and POR-15 Metal Prep.
POR-15 Fuel Tank Sealer has received positive reviews from customers who have used it to restore and protect their fuel tanks. It is known for its effectiveness in stopping leaks, preventing rust, and extending the life of fuel tanks.
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It is easy to use but requires proper preparation, including cleaning the tank with POR-15 Cleaner Degreaser
POR-15 Fuel Tank Sealer is a high-tech sealer that can be used to extend the life of your fuel tank. It is formulated for metal and is impervious to all fuels, including diesel, E10 ethanol, and high alcohol content fuels. The product comes in a silver colour and has superior strength and fuel resistance. It acts as a liner and prevents rust, corrosion, and small fuel leaks.
To use POR-15 Fuel Tank Sealer effectively, proper preparation is required. Before applying the sealer, it is essential to ensure that the fuel tank is free from plastic parts, contamination, and is structurally sound. The tank should be free from loose rust and old sealers.
One of the critical steps in preparing the fuel tank is cleaning it with POR-15 Cleaner Degreaser. This product is designed to remove grease, oil, and surface debris, ensuring that the tank is thoroughly cleaned before applying the sealer. It is crucial to follow the instructions provided with the POR-15 Cleaner Degreaser to achieve optimal results.
Additionally, for the best adhesion, it is recommended to use POR-15 Metal Prep to etch the tank after cleaning. This will further enhance the adhesion of the sealer to the tank.
Other preparatory steps may include pressure washing the tank, as mentioned by a user, to remove any visible rust and debris. After washing, the tank should be thoroughly dried using a hairdryer or other suitable methods to ensure no moisture remains.
Once the fuel tank is properly prepared and cleaned with POR-15 Cleaner Degreaser, the POR-15 Fuel Tank Sealer can be applied. It is recommended to follow the instructions provided with the sealer and to ensure proper ventilation during the application process.
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It is important to note that POR-15 does not adhere well to plastic, so plastic parts should be removed before application
POR-15 Fuel Tank Sealer is a high-tech sealer that can be used to extend the life of your fuel tank. It creates a strong, impervious barrier against rust, corrosion, and leaks, and is resistant to all fuels, including diesel, E10 ethanol, and high-alcohol content fuels.
The sealer comes in a silver colour and has superior strength and fuel resistance. It acts as a liner and can stop rust, corrosion, and small fuel leaks. It is important to prepare the fuel tank properly before applying the sealer. The tank must be free from plastic parts, contamination, and loose rust. It should also be structurally sound, cleaned with a suitable cleaner or degreaser, and etched with a metal prep product for the best adhesion.
It is important to note that POR-15 does not adhere well to plastic. Therefore, it is recommended that all plastic parts should be removed from the fuel tank before applying the sealer. This is a crucial step to ensure the effectiveness of the sealer and the longevity of the fuel tank.
Some users have reported successful results after using POR-15 Fuel Tank Sealer on their rusty and leaky fuel tanks. However, it is essential to follow the manufacturer's instructions and take the necessary safety precautions during the application process.
Additionally, it is worth mentioning that removing POR-15 from a fuel tank can be challenging. There is no straightforward solvent-based solution, and mechanical removal methods, such as scraping or grinding, may be required.
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Frequently asked questions
POR-15 Fuel Tank Sealer is a high-tech sealer formulated for metal surfaces. It is impervious to all fuels, including diesel, E10 ethanol, and high alcohol content fuels. It acts as a liner and prevents rust, corrosion, and small fuel leaks.
Before applying the sealer, ensure that the fuel tank is free from plastic parts, contamination, and loose rust. Clean the tank with POR-15 Cleaner Degreaser and etch with POR-15 Metal Prep for better adhesion. After applying the sealer, allow it to fully set for 48 hours.
Yes, POR 15 Fuel Tank Sealer is safe to use on aluminium tanks. It is recommended to use POR-15 Metal Prep for best results.
The amount of sealer required depends on the size of the fuel tank. One pint of sealer can treat up to a 12-gallon tank, while three quarts should be enough for a 25-gallon tank. For most car tanks, two pints are recommended for full coverage.
POR-15 Fuel Tank Sealer is available for purchase on Amazon and the POR-15 website. It can also be found at Eastwood, a retailer of automotive DIY products.











































