designer pool covers An inflatable pool in a backyard.

Does water seep through pool cover?

Many pool owners wonder, “Does water seep through a pool cover?” Interestingly, while designed to be waterproof, some pool covers can let water through if not correctly maintained.

This article will guide you on preventing such leaks and keeping your pool clean and safe. Don’t miss out on these tips!

Key Takeaways

  • Pool covers might let water in if not properly maintained, even though they are meant to be waterproof.
  • Heavy snow and too much rain can push down on the cover, causing water to seep through. This means you need to regularly check and remove excess water from your pool cover.
  • Different types of pool covers, like standard winter covers, security covers, and automatic covers have their own ways of handling water. For example, mesh security covers let water through on purpose to avoid puddles.
  • Installing your pool cover the right way matters a lot for stopping water from getting inside. Also, checking your cover often helps catch any problems early.
  • Pool covers come at various prices in South Africa. Bubble wrap ones are cheaper and good against evaporation. Automatic ones cost more but work well for big pools. Each type has its perks that can save money in the long run by keeping your pool clean and reducing how much you spend on filling it up or adding chemicals.

Understanding How Water Seeps Through Pool Covers

A variety of pool covers with water seeping through, surrounded by people.
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Water seeps through pool covers due to water displacement and excessive accumulation on the cover, which can lead to moisture penetrating the material. Different types of pool covers may be impacted differently by seepage, affecting their durability and effectiveness in maintaining water levels.

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Water Displacement

Heavy snow and ice can press down on a pool cover, causing water displacement. This happens because the weight pushes the cover into the pool. As a result, some of the water underneath gets squeezed out onto the surface.

It’s a common issue for above ground pools during winterisation. The displaced water might seem like a minor inconvenience, but it indicates that pressure is being applied to your pool in ways it wasn’t designed to handle.

Above ground swimming pools are especially prone to this problem. Their covers dip under the strain of accumulated snow load or ice build-up, displacing pool water in the process. This not only affects water levels but can also lead to premature wear and tear on both your cover and your pool’s edges.

Regular maintenance and inspection become crucial here—to check for any signs of stress or damage early on helps avoid bigger problems later.

Too Much Water on the Pool Cover

A pool cover can only hold so much water before problems start. Too much water on top strains the cover, risking damage or a tear. It’s not just about the weight; excess water disrupts the balance, making seepage more likely.

Think of it as trying to carry a tray full of glasses – too many and you risk spilling some. The same goes for your pool cover.

Removing excess water is crucial for maintaining pool cover integrity and preventing leaks into your pool. Various methods exist, from siphoning to using pump systems designed specifically for this purpose.

Regular checks ensure that water doesn’t build up, especially after heavy rainfalls. This step is key in preserving both the condition of the cover and the quality of your pool’s water underneath – avoiding unnecessary loss or contamination.

The Impact of Seepage on Different Types of Pool Covers

A crowded pool with damaged covers and excess water.
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Seepage can lead to the accumulation of stagnant water, causing damage to standard winter covers. Security covers may sag under the weight of excess water, affecting their ability to secure the pool effectively.

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Standard Winter Cover

Standard winter covers are popular for their affordability but come with a downside. They’re not the best at keeping water out. Since these covers sit directly on the pool’s surface, rainwater and melting snow can collect and seep through.

This makes them less effective at protecting your pool from dirt and debris over the winter months.

These covers have a shorter lifespan compared to other types of pool protection. Their durability is often challenged by water accumulation, leading to faster wear and tear. For those looking into winterising pool covers, considering this type’s longevity might influence your choice.

While cost-effective upfront, the need for frequent replacements could add up.

Security Cover

Security covers, also known as pool safety covers, are designed to keep loved ones safe and prevent debris from entering the pool. They guarantee safety and hygiene throughout the year.

Unlike standard winter covers, these are more durable and provide a higher level of security for your pool. Mesh security covers specifically allow water to seep through. This design choice keeps the surface free from puddles that could pose a risk but may lead to dirty water accumulating in your pool.

Choosing the right type of security cover can significantly enhance pool cleanliness and overall protection. It’s crucial for ensuring both durability and effectiveness against various elements.

Regular maintenance and inspection play key roles in maximising the lifespan of these covers while maintaining their ability to repel unwanted debris effectively.

Automatic Covers

Automatic covers offer top-notch pool protection. They keep the water clean and safe all year round, no matter how often you use the pool. These covers are also great for warming up your water.

They act like a blanket, trapping heat inside to make the water warmer for longer periods.

These innovative covers have another trick up their sleeve – they reduce evaporation. This means less water gets lost to the air, saving you from having to fill up the pool too often.

Plus, with less evaporation, there’s less need for adding more chemicals. Over time, automatic covers prove their worth by lasting about 3 years, making them a smart choice for keeping your pool in top shape.

Strategies to Prevent Water Seepage

To prevent water seepage, ensure the cover is installed taut and without wrinkles. Regularly inspect and maintain the cover to address any tears or damage promptly.

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Proper Cover Installation

Installing your pool cover correctly is vital for preventing water seepage. The rope spider web technique, used by some installers, ensures the cover sits snugly over the pool without any gaps where water might enter.

This method involves spreading ropes across the pool in a web pattern before placing the cover on top. It helps distribute weight evenly and keeps the cover taut.

For those with automatic safety covers, proper alignment and tension are key to maintaining effectiveness and efficiency. Regular checks ensure that these covers slide smoothly over your pool without leaving spaces for water to sneak through.

Solid covers should be inspected for leaks—recognising them early stops excessive water loss and maintains the cover’s ability to reduce evaporation by more than 90%.

Regular Maintenance and Inspection

Checking your pool cover often matters a lot. It helps stop water from getting in where it shouldn’t. You need to look over the cover to make sure it fits right and doesn’t have any spaces that let water leak through.

Doing this keeps the cover working well and stops dirty water from getting into the pool.

Securing the cover properly is also key for keeping things tidy and safe. A tight fit ensures that nothing unwanted sneaks in, maintaining clean pool water. Regular attention to these details makes all the difference in preventing issues before they start, making your pool maintenance easier in the long run.

The Cost of Pool Covers in South Africa

Diving into the financial aspects of pool covers in South Africa reveals a spectrum of options catering to various needs and budgets. Let’s unpack the cost element, supported by essential facts, to aid in making an informed decision.

Type of Pool CoverPrice RangeKey Benefits
Bubble Wrap Swimming Pool CoversCompetitive PricesPrevents water evaporation up to 98%
Solar Pool CoversR12500,00 – R18000,00Recoups cost through water savings
Standard Winter CoverVariesGeneral protection
Automatic CoversR100,000 – R400,000Convenience and large pool suitability
Others (PVC, Canvas, etc.)VariesDiverse options for specific needs

Emphasizing the range, bubble wrap covers in Cape Town stand out for their effectiveness against evaporation at compelling price points. Conversely, automatic covers, catering predominantly to larger pools, represent the upper echelon in terms of investment. Solar pool covers promise long-term savings, validating their mid-range price through reduced water usage. Meanwhile, the market also accommodates a variety of needs with PVC, canvas, and other materials, ensuring there’s a pool cover solution for every requirement and budget. Homeowners stand to benefit from utility savings, underscoring the value pool covers bring beyond their initial cost.


In conclusion, water seepage through pool covers can be a common issue. It’s crucial to understand how different types of pool covers might allow water to seep through and impact the overall maintenance of your pool.

By implementing proper installation and regular maintenance, you can effectively prevent water seepage in your pool cover and ensure the integrity of your swimming pool throughout the year.

Choose the right cover for your specific needs, maintain it well, and enjoy a clean, safe, and well-protected swimming experience.

For detailed information on the cost of pool covers in South Africa, please visit our comprehensive guide.


1. What causes water to seep through a pool cover?

Water can seep through a pool cover due to improper fitting, tears, or accumulated weight from rain or snow.

2. How can I prevent water from seeping through my pool cover?

To prevent water seepage, ensure the pool cover fits tightly and repair any tears promptly. Utilise a pump or siphon to remove excess water accumulation.

3. Can a pool cover be waterproof and still allow water to pass through it?

Yes, some pool covers are designed to be permeable, allowing water to pass through while preventing debris accumulation.

4. How does algae growth occur if there’s a pool cover in place?

Algae growth can happen under a covered pool due to sunlight exposure and trapped moisture if the environment is favourable for its development.

5. Are there specific types of pool covers that minimise water seepage?

Mesh-style covers are often used as they allow drainage while keeping debris out of the pool. Solid vinyl covers with an automatic pump system also help manage excess water accumulation.