Welcome to Waterseal Waterproofing – Trusted Overhead Water Tank Waterproofing Experts
Overhead Water Tank Waterproofing
100% Leak-Proof Solutions for Overhead Tanks
Protect your overhead water tank from leakage, seepage, hairline cracks, and weather damage with Waterseal’s professional waterproofing solutions. With 30+ years of experience, we use premium non-toxic waterproofing systems that are safe for drinking water and provide long-lasting protection.
Overhead Water Tank Waterproofing
Professional Overhead Water Tank Waterproofing Services
An overhead water tank is constantly exposed to sunlight, rain, wind, and changing temperatures. Over time, these weather conditions can cause hairline cracks, joint openings, damaged plaster, and waterproofing failure. If ignored, water leakage can damage walls, ceilings, electrical fittings, and even affect the quality of stored drinking water.
At Waterseal Waterproofing, we provide professional overhead water tank waterproofing solutions for residential, commercial, apartment, and industrial buildings. Our proven waterproofing systems stop leakage, protect the RCC structure, and extend the life of your overhead water tank while keeping stored water safe and hygienic.
Common Causes of Overhead Water Tank Leakage
Overhead water tanks are continuously exposed to sunlight, rain, and temperature changes. Over time, these conditions can damage the waterproofing layer and cause water leakage.
Common causes include:
- Hairline cracks in RCC walls or slab
- Damaged plaster or waterproof coating
- Open construction or tile joints
- Expansion and contraction due to weather changes
- Rainwater seepage through the slab
- Leakage around inlet and outlet pipes
- Poor construction workmanship
- Ageing of waterproofing materials
Identifying the exact cause helps us recommend the most effective waterproofing solution for long-lasting protection.
Signs Your Overhead Water Tank Needs Waterproofing
If you notice any of the following signs, your overhead water tank may require waterproofing before the problem becomes severe. Timely inspection and waterproofing can prevent costly repairs and extend the life of your water tank.
Common warning signs include:
- Water leakage from tank walls
- Damp patches on nearby walls or ceiling
- Hairline cracks inside the tank
- Water stains around the tank
- Peeling paint near the tank
- Algae or fungal growth
- Unexplained drop in water level
- Leakage during or after filling
Early waterproofing prevents structural damage, reduces repair costs, and protects your tank from continuous water loss for years.
Why Choose Waterseal for Overhead Water Tank Waterproofing?
Overhead water tanks remain exposed to harsh sunlight, heavy rainfall, wind, and continuous temperature changes throughout the year. These conditions gradually weaken the tank surface and waterproofing layer, resulting in cracks and water leakage.
At Waterseal, we inspect every overhead water tank individually and recommend the most suitable waterproofing solution based on the tank’s condition, construction quality, and leakage pattern.
Using premium-quality Waterseal PSV waterproofing systems, we provide durable, UV-resistant, and leak-proof protection that helps extend the life of your overhead water tank.
Our Overhead Water Tank Waterproofing Process
Every overhead tank is thoroughly inspected before selecting the appropriate waterproofing system.
Step 1 – Surface Preparation
Dust, algae, loose plaster, and deteriorated coatings are completely removed.
Step 2 – Crack Repair
All visible cracks, honeycombs, and damaged concrete areas are repaired using suitable repair materials.
Step 3 – Pipe & Joint Treatment
Pipe entries, construction joints, and expansion joints are sealed to prevent future leakage.
Step 4 – Waterproof Coating Application
Multiple coats of Waterseal PSV waterproofing system are applied to create a seamless protective barrier.
Step 5 – Curing & Inspection
The waterproof coating is allowed to cure properly before the final inspection.
Step 6 – Water Retention Test
The tank is filled with water and monitored to verify complete waterproof performance.
Step 7 – Ready for Service
After successful testing, the tank is cleaned and made ready for regular water storage.
Waterproofing Systems We Use
We recommend different waterproofing systems according to the tank’s age, condition, and leakage severity.
- Waterseal PSV Premix Waterproofing System
- Waterseal PSV Liquid Waterproofing
- UV Resistant Protective Coating
- Flexible Acrylic Waterproof Membrane
- Crack & Joint Sealing System
- Food-Grade Waterproof Coating for Drinking Water Tanks
Why Waterseal PSV Premix?
Waterseal PSV Premix is specially formulated for overhead RCC water tanks where protection against sunlight, weather exposure, and water leakage is essential.
Key Advantages
- UV-resistant waterproof coating
- Excellent adhesion to RCC surfaces
- Flexible crack-bridging performance
- Prevents seepage and dampness
- Safe for drinking water storage
- Long-lasting weather protection
- Low maintenance
- Suitable for both new and old overhead tanks
Important Guidelines After Waterproofing
To achieve the best waterproofing performance:
- Keep the tank empty until curing is completed.
- Fill the tank only after the recommended curing period.
- Perform a water retention test before regular use.
- Drain the first filled water after testing.
- Inspect the tank periodically for preventive maintenance.
Regular maintenance and timely inspection help maximize the service life of your overhead water tank waterproofing system.
Overhead Tank Waterproofing Cost
Estimated Waterproofing Charges
- RCC Overhead Water Tanks (Old & New): ₹120/- per sq. ft.
- Tiled Overhead Water Tanks: ₹150/- per sq. ft.
Minimum Service Charge: ₹10,000/- (Applicable for small and medium-sized water tanks.)
Note:
The final waterproofing cost depends on the tank size, surface condition, leakage severity, repair work required, and overall site conditions. A free site inspection helps us recommend the most suitable waterproofing solution and provide an accurate quotation.
Frequently Asked Questions
How long does overhead water tank waterproofing last?
With proper surface preparation and premium waterproofing materials, the waterproofing system provides long-lasting protection for many years.
Is the waterproofing safe for drinking water?
Yes. We use non-toxic waterproofing systems that are suitable for potable drinking water tanks.
Can old overhead water tanks be waterproofed?
Yes. Both new and old RCC overhead water tanks can be repaired and waterproofed after proper inspection.
How many days does the waterproofing work take?
The duration depends on the tank size, repair work required, and curing time. Most projects are completed within a few days.
Do you provide free inspection?
Yes. Waterseal offers free site inspection and recommends the most suitable waterproofing solution based on your tank’s condition.
All Types of Water Tank Waterproofing
Professional waterproofing solutions for RCC underground ,Overhead, Swimming Pool, Fountain, Fish Pond, and All Water Storege Tanks.
Underground Water Tank Waterproofing
Professional waterproofing solutions for RCC underground water tanks to stop seepage, cracks, joint leakage, and groundwater intrusion.
Fountain, Swimming Pool Waterproofing
Professional waterproofing solutions for residential and commercial swimming pools to prevent leakage, tile damage, and water loss.