How to Properly Waterproof Your Tank

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Waterproof Your Tank

Waterproofing your tank is incredibly important. It ensures that the contents of your tank remain safe and secure, free from leaks and contamination. Without proper waterproofing, your tank might develop cracks or other issues that lead to leaks. 

Leaks can waste valuable resources and even cause structural damage over time. That’s why ensuring your tank is properly waterproofed is crucial for maintaining its longevity and functionality. In this article, we’ll explore the need for tank waterproofing, the necessary materials and tools, a step-by-step waterproofing process, and tips for maintaining waterproofed tanks.

Understanding the Need for Tank Waterproofing

Waterproofing your tank is essential for several reasons. First, it prevents leaks and ensures that the contents of the tank stay inside. Leaks can waste resources like water or chemicals and lead to costly repairs. By waterproofing your tank, you seal any potential points of weakness, such as cracks or joints, keeping the contents secure.

Second, waterproofing protects the tank’s structure. Tanks are often made from materials like concrete, steel, or plastic, which can degrade over time when exposed to water and other elements. For instance, concrete can crack and erode, while steel can rust and corrode. Proper waterproofing acts as a barrier, extending the life of the tank material by preventing this damage.

Third, waterproofing is crucial for environmental protection. Tanks that hold hazardous materials must be sealed to prevent leaks that can contaminate soil and water sources. This is important not only for regulatory compliance but also to ensure the safety and health of the surrounding area. Waterproofing your tank reduces the risk of environmental harm and helps you meet safety standards.

Lastly, waterproofing improves the tank’s maintenance. Tanks that are well-sealed require less frequent inspection and maintenance. This saves time, money, and effort in the long run. By understanding the importance of tank waterproofing, you can take the necessary steps to protect your investment and ensure its continued reliability.

Materials and Tools Required for Waterproofing

Before starting the waterproofing process, gather all necessary materials and tools. Having everything on hand ensures the job is done efficiently and effectively. Here’s a list of what you’ll need:

1. Waterproofing Membrane: Choose a high-quality membrane suitable for the type of tank you have. This could be a liquid-applied membrane, sheet membrane, or spray-on membrane, depending on your preference and tank material.

2. Sealant: Use a strong, durable sealant to fill cracks, joints, and seams. Silicone-based sealants are a popular choice for their flexibility and water resistance.

3. Cleaning Supplies: Simple cleaning agents, like soap and water, as well as brushes or scrubbers, help prepare the tank surface. Clean surfaces ensure better adhesion of waterproofing materials.

4. Primer: Applying a primer helps the waterproofing membrane adhere better to the tank surface. Make sure to choose a primer that’s compatible with your chosen membrane.

5. Protective Gear: Always wear gloves, goggles, and a mask to protect yourself from fumes and chemicals during the waterproofing process.

6. Application Tools: Depending on the type of membrane, you might need rollers, brushes, trowels, or spray equipment to apply the waterproofing materials evenly.

7. Inspection Tools: Basic tools like flashlights and mirrors help you inspect all areas of the tank, especially hard-to-reach places, ensuring the waterproofing is thorough.

8. Safety Equipment: If working inside a tank, ensure you have proper ventilation and, if needed, use a respirator to avoid inhaling harmful chemicals.

Gathering these materials and tools before starting ensures you’re well-prepared. Using the right supplies not only makes the job easier but also guarantees that the waterproofing is effective and long-lasting. Proper preparation sets the stage for a successful waterproofing project.

Step-by-Step Process to Waterproof Your Tank

Waterproofing your tank involves a series of steps to ensure that it is sealed properly and efficiently. Follow these steps for a successful waterproofing process:

1. Clean the Tank

– Start by thoroughly cleaning the tank’s interior and exterior surfaces. Use a brush and mild cleaning agent to remove any dirt, grime, or algae.

– Rinse the tank with clean water and allow it to dry completely. A clean surface ensures better adhesion of the waterproofing materials.

2. Inspect for Damage

– Check the tank for cracks, holes, or other damage. Use a flashlight and mirrors to inspect hard-to-reach areas.

– Mark any areas that need repair, as these will need to be addressed before applying the waterproofing materials.

3. Repair Cracks and Holes

– Use a sealant to fill in any cracks and holes. Apply the sealant evenly and allow it to cure as per the manufacturer’s instructions.

– Sand down any excess sealant to create a smooth surface. This prevents uneven application of the waterproofing membrane.

4. Apply Primer

– Apply a suitable primer to the entire surface of the tank. The primer helps the waterproofing membrane adhere better.

– Allow the primer to dry completely before moving on to the next step.

5. Apply Waterproofing Membrane

– Apply the waterproofing membrane according to the manufacturer’s instructions. This may involve rolling, brushing, or spraying the membrane onto the tank’s surface.

– Ensure that the membrane is evenly applied, covering all areas of the tank, including seams and joints.

6. Allow to Cure

– Let the waterproofing membrane cure as per the recommended time. This ensures that it forms a strong, effective barrier.

– Avoid filling the tank or exposing it to water until the membrane is fully cured.

7. Final Inspection

– Once the membrane is cured, perform a final inspection. Check for any missed spots or areas where the membrane may need to be reapplied.

– Make any necessary touch-ups to ensure a complete waterproof seal.

Tips for Maintaining Waterproofed Tanks

Maintaining a waterproofed tank is essential to extend its lifespan and ensure it functions effectively. Here are some tips:

1. Regular Inspections: Conduct regular inspections of your tank to identify any signs of wear or damage to the waterproofing membrane. Early detection allows for timely repairs.

2. Clean Routinely: Clean your tank regularly to prevent the build-up of dirt, algae, and other contaminants. This helps maintain the integrity of the waterproofing.

3. Repair Damage Immediately: If you notice any cracks, holes, or damage during inspections, repair them immediately. Use a suitable sealant and reapply waterproofing materials if necessary.

4. Check for Environmental Factors: Protect your tank from environmental factors that could damage the waterproofing. Ensure that the tank is shielded from extreme weather conditions and UV exposure.

5. Maintain Tank Liners: If your tank has a liner, check it regularly for signs of wear and tear. Replace the liner as needed to maintain the waterproofing and protect the tank’s structure.

6. Use ROV Inspections: Remote Operated Vehicle (ROV) inspections can be helpful for large or hard-to-reach tanks. ROVs can thoroughly check the tank’s interior without draining it.

7. Monitor Tank Usage: Keep an eye on what is stored in the tank. Certain chemicals or substances might deteriorate the waterproofing membrane faster. Adjust maintenance schedules accordingly.

Conclusion

Waterproofing your tank is a crucial step in ensuring its longevity and functionality. By following the correct steps and using the right materials, you can prevent leaks, protect the environment, and save on costly repairs. Regular inspection and maintenance play an essential role in keeping the waterproofing intact. Proper care and timely repairs ensure that your tank remains in top condition for years to come.

At ATM Tanks, our expertise in tank services can help you with all your tank waterproofing needs. Whether you need assistance with inspection, repair, or maintenance, our team is here to provide the support you require. Contact us today to keep your tanks in excellent shape and safeguard your investment.

Aaron James
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About The Author

Aaron James
Aaron has been working at ATM Tanks for the past 5 years. He has completed a wide range of projects across Australia including new tank builds, cleaning and servicing existing tanks and countless tank inspections. However he has excelled recently at project management for ATM Tanks.

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