Tank Cleaning vs Waterproofing – What’s the Difference & Why You May Need Both

Tank Cleaning and Waterproofing – Not the Same Thing!

Many homeowners and apartment associations in Bengaluru often confuse water tank cleaning with waterproofing.

While both services are essential for a healthy and long-lasting water system, they serve very different purposes.
At Universal Groups, we offer both tank cleaning and waterproofing services and often recommend them together for full protection.

Water Tank Cleaning

Removes dirt, algae, bacteria, and sediment from inside the tank
Focuses on hygiene and water purity
Must be done every 3 to 6 months
Helps prevent water-borne diseases and foul smell

Waterproofing

Seals cracks, joints, and porous surfaces
Prevents leakage, dampness, and structural damage
Required once every 3 to 5 years or during new construction
Helps protect your walls, foundation, and stored water

Real-Life Example from a Customer in Rajajinagar:

One of our clients had their underground sump cleaned regularly, but ignored waterproofing. After two years, they noticed water leaking into their parking area and walls growing black mold. We cleaned the tank and applied chemical waterproofing, sealing all cracks — problem solved permanently!

Why You May Need Both Services Together

If your tank is dirty, you need cleaning first — to make waterproofing effective.
If your tank has cracks or leaks, cleaning alone won’t solve the issue. Waterproofing is necessary.
If your home is over 5 years old, both services are recommended to maintain your system’s health.

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Bengaluru’s rainy season increases water seepage and tank overflow risk. Cleaning and waterproofing before the monsoon can save thousands in repairs.