
Kreem Fuel Tank Liner is a preventive maintenance product designed for use in metal and fibreglass tanks, new or old, containing gasoline, gasohol, or diesel. The liner arrests corrosion and prevents leakage from hairline cracks and seam pinholes by coating the tank's inner surface with a fuel-resistant elastomer. The product is available in a combo pack, which includes a preliminary degreaser, Tank Prep A and Tank Prep B, and the liner itself. The application process involves removing valves and petcocks, stopping all outlets, pouring the liner into the tank, and rotating the tank to ensure all surfaces are coated.
How to use Kreem Fuel Tank Liner
| Characteristics | Values |
|---|---|
| Use | Designed for use as a preventive maintenance product in metal tanks (new and old) containing gasoline, gasohol, or diesel. |
| Application | Pour liner into the tank and coat the entire inner surface by slowly rotating the tank in all directions. |
| Coating | A generous excess should remain after coating. Let the tank stand for 8-10 minutes with the spout open, then close the spout and slowly rotate the tank, allowing excess to re-coat all surfaces. |
| Drying | Drain any excess, remove all stops, and let it air-dry in a well-ventilated area for at least 24 hours. |
| Protection | For extra protection, air-dry the first coat for 6 hours or longer and repeat the application process. |
| Quantity | For small tanks (1-5 gallons), use one pint of liner. For larger tanks, use one quart per 20-gallon capacity. |
| Surface Prep | Kreem Tank Prep is a two-component system. The A-Wash removes grease or oil film and etches the tank's inner surface, while the B-Wash removes water and acts as a primer. |
| Compatibility | Not compatible with all fiberglass or plastic tanks. Not designed for use in aircraft oil tanks or tanks with plastic components. |
| Safety | Avoid contact with eyes, skin, and prolonged breathing of vapors. Keep away from heat, sparks, or flames, and ensure all sources of ignition are off during use and until all vapors are gone. |
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What You'll Learn
- Kreem Tank Prep Pack: A-Wash removes grease/oil, B-Wash removes water and preps for liner
- Pouring and coating: Pour liner into tank, rotate tank to coat inner surface, let stand
- Draining and drying: Drain excess liner, remove all stops, air-dry for 24 hours
- Application repeat: For extra protection, repeat application process after first coat dries for 6 hours
- Compatibility: Not for aircraft oil tanks, tanks with plastic components, or liquids above 238°F

Kreem Tank Prep Pack: A-Wash removes grease/oil, B-Wash removes water and preps for liner
Kreem Tank Liner is a preventive maintenance product for metal and fibreglass tanks, new or old, that contain gasoline, gasohol, or diesel. It is not designed for use in aircraft oil tanks or tanks with plastic components.
The Kreem Tank Prep Pack is a two-component system that prepares the tank for the liner. The first component, A-Wash, removes any grease or oil film and etches the tank's inner surface. It is an acid-based rust remover that should be used until all rust is removed. After using A-Wash, the tank should be rinsed with water until all traces of the chemical are removed.
The second component, B-Wash, removes any remaining water in the tank and acts as a primer for the Kreem Fuel Tank Liner. It should be used immediately after rinsing the tank with water. B-Wash also aids in removing any grease or oil film and etching the tank's inner surface. After using B-Wash, the tank should be drained of all excess liquid.
Once the tank is prepared with the Kreem Tank Prep Pack, the liner can be poured into the tank. The entire inner surface should be coated by slowly rotating the tank in all directions. A generous excess of the liner should remain after coating all surfaces. The tank should then be left to stand for 8-10 minutes with the spout open, and then the process should be repeated with the spout closed. This should be done until the tank has the desired coating.
It is important to note that the Kreem Tank Liner and Prep Pack are flammable and should be used with adequate ventilation. Users should avoid contact with eyes, skin, and mucous membranes, and keep away from heat, sparks, or flame.
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Pouring and coating: Pour liner into tank, rotate tank to coat inner surface, let stand
To begin the coating process, pour the liner into the tank. The amount of liner required depends on the size of the tank. For small tanks (1-5 gallons), use one pint of liner. For larger tanks, use one quart per 20 gallons of tank capacity. If your tank contains baffles, you will need to use more liner to account for the increased surface area.
Once the liner is in the tank, slowly rotate the tank in all directions to coat the entire inner surface. Make sure that all surfaces are completely coated, with a generous excess remaining. Leave the tank to stand for 8-10 minutes with the spout open, then close the spout and slowly rotate the tank again to allow the excess liner to recoat all surfaces. Now, leave the tank to stand for another 8-10 minutes with the spout open, but this time, place the tank on a different side. Repeat this process until the tank has the desired coating, ensuring that the coating does not drain to one area and dry.
Once you have achieved the desired coating, drain off any excess liner for later use. Remove all stops and allow the tank to air-dry in a well-ventilated area for at least 24 hours. To speed up the drying process, you can use a low-pressure air compressor by blowing lightly into the fuel spout and out of another opening.
If you wish to have extra protection, you can air-dry the first coat for 6 hours or longer before applying a second coat by repeating the steps outlined above.
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Draining and drying: Drain excess liner, remove all stops, air-dry for 24 hours
Draining and drying are crucial steps in the application of the Kreem Fuel Tank Liner. This process ensures that the tank is adequately prepared for the liner, promoting effective adhesion and a smooth finish. Here's a detailed guide on how to perform the draining and drying process:
Draining Excess Liner:
Start by pouring the Kreem Fuel Tank Liner into the tank, following the recommended amount based on the tank's capacity. Slowly rotate the tank in all directions to ensure that the entire inner surface is coated. Allow the tank to stand for 8-10 minutes with the spout open, and then close the spout and rotate the tank again to ensure all surfaces are coated evenly. Repeat this process as needed until you achieve the desired coating thickness. Remember to leave a generous excess of the liner during this process.
Removing Stops and Ventilating:
After achieving the desired coating, it's time to drain any remaining excess liner from the tank. Remove all stops and outlets, including valves and petcocks, to ensure proper ventilation and facilitate the drying process. This step is crucial for the liner's setup and hardening.
Air-Drying for 24 Hours:
Place the tank in a well-ventilated area and allow it to air-dry for at least 24 hours. This extended drying period ensures that the liner cures completely. To expedite the process, you can use a low-pressure air compressor by blowing lightly into the fuel spout and out of another opening. This technique will significantly reduce the setup time.
Additional Coating (Optional):
For extra protection, you can choose to air-dry the first coat for 6 hours or longer before applying a second coat. This optional step provides an additional layer of protection and ensures a more durable finish. Simply repeat the application process, coating all surfaces evenly.
By following these detailed steps for draining and drying, you'll ensure that your Kreem Fuel Tank Liner is properly applied and prepared for its intended use. Remember to work in a well-ventilated area and adhere to the recommended safety precautions during the application and drying process.
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Application repeat: For extra protection, repeat application process after first coat dries for 6 hours
Kreem Fuel Tank Liner is a preventive maintenance product for metal and fibreglass tanks, new or old, containing gasoline, gasohol, or diesel. It is designed to arrest corrosion and prevent leakage from hairline cracks and seam pinholes by coating the tank's inner surface with a fuel-resistant elastomer.
The application process for the Kreem Fuel Tank Liner involves several steps, including surface preparation, coating, and drying. The manufacturer recommends repeating the application process for extra protection.
After the first coat has dried for at least six hours, you can repeat the application process for added protection. This involves following the same steps as the initial application. Begin by pouring the liner into the tank and slowly rotating the tank in all directions to coat the entire inner surface. Ensure that all surfaces are completely coated, and there is a generous excess remaining. Let the tank stand for 8-10 minutes with the spout open, then close the spout and slowly rotate the tank again to allow the excess liner to recoat all surfaces. Repeat this process, ensuring that the coating doesn't drain to one area, and then let the tank stand for another 8-10 minutes with the spout open, but on a different side. Continue this process until you achieve the desired coating thickness.
Once you've achieved the desired coating, remember to drain any excess liner and remove all stops. Allow the tank to air-dry completely in a well-ventilated area for at least 24 hours. To reduce setup time, you can use a low-pressure air compressor by blowing lightly into the fuel spout and out of another opening.
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Compatibility: Not for aircraft oil tanks, tanks with plastic components, or liquids above 238°F
Kreem Fuel Tank Liner is not suitable for use in aircraft oil tanks, tanks with plastic components, or tanks containing liquids above 238°F.
Kreem Tank Liner is not designed for use in aircraft oil tanks. It is intended for use as a preventive maintenance product in metal tanks, both new and old, containing gasoline, gasohol, or diesel. It is not suitable for plastic tanks or all fiberglass tanks.
The product is not suitable for tanks with plastic components. It is designed for use in metal tanks, both new and old, containing gasoline, gasohol, or diesel. Kreem Tank Liner is not compatible with all fiberglass tanks. It is important to spot test before use.
Kreem Fuel Tank Liner should not be used in tanks containing liquids above 238°F. It is designed for use in metal tanks containing gasoline, gasohol, or diesel. It is important to note that high temperatures reduce the normal storage life of the product. The ideal storage temperature range for maximum storage life is 60-80 degrees.
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Frequently asked questions
The Kreem Fuel Tank Liner is a preventive maintenance product used to coat the inner surface of metal tanks containing gasoline, gasohol, or diesel. It helps prevent leakage from hairline cracks and seam pinholes.
For small tanks (1-5 gallons), use one pint of the liner. For larger tanks, use one quart per 20 gallons of tank capacity. If the tank has baffles, consider the increase in surface area.
First, remove the tank from the vehicle and eliminate any valves, petcocks, and stop all outlets. Then, pour the liner into the tank and slowly rotate the tank in all directions to coat the entire inner surface. Ensure a generous excess remains after coating. Let the tank stand for 8-10 minutes with the spout open, then close the spout and slowly rotate the tank again to allow the excess to recoat all surfaces. Repeat this process until the desired coating thickness is achieved. Finally, drain any excess and let the tank air dry for at least 24 hours in a well-ventilated area.
The Kreem Fuel Tank Liner has a rapid setup time. It typically takes a few minutes to harden, and it is recommended to let the tank sit for at least 24 hours before use.
The Kreem Tank Prep Pack is a two-component system used to prepare the fuel tank before applying the liner. Tank Prep A removes grease or oil film and etches the tank's inner surface, while Tank Prep B removes any remaining water and acts as a primer for the liner. Using the Tank Prep Pack is recommended to ensure proper adhesion and a smooth coating.









































