Sintex Underground Water Tank – FRP
Durable, Hygiene and Space Saving in One Tank – Underground tanks made from Fiber Reinforced Plastic (FRP) that can endure earth’s pressure and make the tanks strong and more durable
- 100% food grade
- Non-porous and does not allow water to get contaminated
- Impermeable to roots of trees and therefore no algal growth
- Underground/Onground installation
- Light Weight, Easy Installation
- Leak proof, Rust proof, Non-corrosive
- Available for 5,000 to 50,000 litres storage capacity in multiple of 5,000 Litres
- Advanced Chop-whoop Winding Process
- Description
- Features & Benefits
- FAQs
This durable underground tank is made from Fiber Reinforced Plastic (FRP), ensuring strength and the ability to withstand earth pressure upto 2.2 Meter from ground level. With a lifespan of up to 50 years, it is constructed from 100% food-grade raisin, making it non-porous and resistant to contamination. Impermeable to tree roots, it's suitable for both underground and on-ground installation. Leak-proof, rust-proof, and non-corrosive, it’s easy to install within 2 working days. Available in capacities from 5,000 to 50,000 litres in multiple of 5,000 litres , it's a space-saving solution.
Why settle for ordinary storage when you can choose a tank that stays hidden, saves space, and keeps your water fresh for years? At Sintex, we bring you our FRP underground water tank range, which is built to easily handle underground pressure while protecting your water around the clock. If you want strength, hygiene, and long-term peace of mind, our Sintex FRP water tank collection matches your home, industry, or commercial projects.
Our FRP underground water tank lineup is designed using Fiber Reinforced Plastic, a material trusted for aviation and marine use. It is strong, lightweight, and long-lasting. With this tech advantage, we deliver FRP tanks that fight rust, leaks, cracks, and contamination while keeping your water clean and safe.
Why FRP For Underground Water Storage
Choosing underground storage is often about saving space and protecting water. With our FRP water tanks, you experience premium strength and hygiene without the heavy structure or maintenance issues in traditional builds. Since FRP is non-porous and food-grade, it keeps your water odor-free and safe for consumption. When you choose a Sintex FRP water tank, you get durability and a clean storage environment for many years.
Built For Pressure And Purity
You no longer have to worry about soil load, tree roots, corrosion, or seepage. Every FRP underground water tank from Sintex can withstand ground pressure and stay intact even in challenging conditions. These FRP tanks do not allow algal growth or contamination as they are non-porous and rust-free. The smooth finish makes cleaning easier and keeps water pure for a long time.
Fast And Easy Setup
The lightweight body of our FRP water tanks helps avoid time-consuming and costly installation work. With quick placement and easy handling, your FRP underground water tank's entire setup can be completed faster than a concrete storage tank. You also save significant labour and effort, making it a cost-effective long-term choice.
FRP vs Concrete Tanks
Many homeowners and builders want to understand the difference between FRP and concrete underground tanks. Concrete holds water but is prone to cracks, algae, seepage, and corrosion in the long run. Our bold FRP water tanks eliminate these problems with a sealed structure that stays stable and leak-proof.
When you compare the differences between FRP and concrete underground tanks, FRP clearly wins on durability, hygiene, speed of installation, lifespan, and maintenance savings. Today, more users prefer a Sintex FRP water tank than a concrete storage tank.
Perfect For Homes And Commercial Needs
Whether you want a clean water source for your home or a long-lasting system for your business, our FRP underground water tank options are suited for every requirement. They handle enormous storage demands and resist external stress with ease. With vast capacity choices and a lifespan beyond 50 years, our FRP tanks give unmatched convenience.
Low Maintenance And Long Life
Once installed, our FRP water tanks require very minimal care. They do not crack, corrode, or react with soil. Since there is no seepage or rust, your water stays clear and consumable. If you compare the difference between FRP and concrete underground tanks, this low-maintenance benefit stands out immediately. A Sintex FRP water tank is built to last and stay strong for decades.
Why Choose Sintex?
Choosing the right tank is not just about storage. It is about trust, long-term safety, and zero compromise on quality. Here is why our brand stands out when it comes to FRP tanks and FRP underground water tank systems.
1) Built For Indian Conditions
India has diverse soil types, changing climates, and harsh weather patterns. We understand this better than anyone. Each Sintex FRP water tank is designed to handle heat, moisture, ground pressure, and soil reactions without cracking or leaking. No matter where you install it, our FRP water tanks stay stable and dependable through every season.
2) Years Of Expertise You Can Rely On
We are not new to innovation. We have spent decades building safe, durable water solutions for families and industries. This experience helps us create FRP tanks that are strong and smartly engineered. When you choose an FRP underground water tank from Sintex, you are choosing proven excellence and trusted craftsmanship.
3) Advanced Manufacturing For Bettter Quality
Our tanks use high-end products that ensure consistency, hygiene, and durability. Every Sintex FRP water tank goes through strict quality checks. With modern molding techniques and precision finishing, our FRP water tanks maintain integrity even under constant soil load and moisture.
4) Superior Strength With Safe Design
From structure to surface, everything is built to protect your water. The non-porous body of our FRP underground water tank prevents seepage and contamination. The strong fiber-reinforced plastic material frees the tank from rust and corrosion. With this design advantage, our FRP tanks stay powerful and clean for many years.
5) Long-Term Value And Peace Of Mind
Sintex helps you invest in a solution, not a repeated expense. Since our FRP water tanks do not crack or corrode, maintenance and lifespan are low. You avoid repairs, leakage issues, and water wastage. With a Sintex FRP water tank, you are assured purity, safety, and durability for the long run.
Underground/Onground Installation
FDA compliant
Leak -Proof, Rust-Free & Non Corrosion
Light Weight
Easy Installation
50 Years+ Lifespan
FRP (Fibre Reinforced Plastic) water tanks are known for their long lifespan and durable construction. On average, a high-quality FRP tank can last 25 to 30 years or more with proper maintenance. These tanks are corrosion-resistant, leak-proof, and unaffected by rust or chemical reactions, which helps them stay strong even in harsh underground conditions. Sintex FRP underground water tanks are built using premium materials that ensure high structural strength and long-term reliability. Regular cleaning and basic inspection of fittings are usually all that’s needed to keep them in good condition, making them a low-maintenance and long-lasting solution for commercial water storage.
Yes, FRP (Fibre Reinforced Plastic) tanks are designed to withstand extreme temperature variations without losing strength or shape. The material’s excellent thermal stability and insulation properties allow it to perform well in both very hot and cold conditions. Unlike metal tanks, FRP tanks do not rust, expand, or contract easily with temperature changes. Sintex FRP underground water tanks are specially engineered to handle India’s diverse climate—from high summer heat to cold winters—while maintaining their leak-proof structure and durability. This makes them a reliable choice for long-term water storage across various environmental conditions.
Cleaning an underground water tank keeps your water safe and free from bacteria. Here’s a quick guide: 1- Drain the Tank: Pump out all the water using a motor or submersible pump. 2- Scrub the Interior: Use a brush or pressure washer with mild detergent or bleach to remove dirt, algae, and sludge. 3- Rinse Well: Wash away all cleaning agents with clean water. 4- Disinfect: Add a chlorine solution (about 50–100 mg/litre) and let it sit for 1–2 hours, then drain and rinse again. 5- Clean Pipes: Check and clean the inlet, outlet, and overflow pipes. 6- Refill: Close the tank lid properly and refill with fresh water. Tip: Clean your tank every 6 months or hire a professional cleaning service for better results.
Underground water tanks are made from a variety of materials, each offering unique benefits depending on the application. The most common materials include FRP (Fiberglass Reinforced Plastic), concrete, polyethylene (plastic), and steel. FRP tanks are lightweight, corrosion-resistant, and long-lasting, making them ideal for residential and commercial use. Concrete tanks, on the other hand, are durable and suitable for large-capacity installations but can be difficult to maintain. Polyethylene tanks are cost-effective, easy to install, and resistant to rust or chemical reactions. Steel tanks offer high strength but require anti-corrosive coatings to prevent rusting. Among these, Sintex FRP underground tanks are preferred for their durability, leak-proof design, and resistance to soil and water pressure, ensuring safe and hygienic water storage for years.
An underground water tank should ideally be cleaned at least once every six months to maintain water quality and prevent contamination. Over time, sediment, algae, and bacteria can build up inside the tank, affecting both hygiene and water safety. Regular cleaning helps remove these impurities and ensures the stored water remains safe for use. For commercial or high-usage properties, more frequent cleaning—every three to four months—is recommended. Using Sintex FRP underground tanks can reduce the cleaning frequency, as their smooth inner surface and non-corrosive design prevent dirt buildup and make maintenance easier and more efficient.
Yes, you can install an underground water tank in most soil types, but the soil condition plays an important role in determining the tank’s foundation and installation method. For example, rocky or clay-heavy soils may require additional excavation or reinforcement, while loose or sandy soils might need stronger base support to prevent shifting or settling over time. Sintex FRP underground water tanks are designed for versatile installation and can adapt to a wide range of soil conditions. However, it’s always best to have a site assessment by a professional to ensure proper installation and long-term structural stability.
It is a strong, hygienic, FRP underground water tank made using Fiber Reinforced Plastic for long-term storage.
Yes. The difference between FRP and concrete underground tanks shows that FRP lasts longer, stays leak-free, and is easier to maintain.
No. FRP water tanks are food-grade and non-porous, keeping the water clean.
Yes. A Sintex FRP water tank has a lifespan of many decades as it resists rust and soil pressure.
Yes. Our FRP tanks support underground or on-ground placement with easy installation.
- Description
- Features & Benefits
- Applications
This durable underground tank is made from Fiber Reinforced Plastic (FRP), ensuring strength and the ability to withstand earth pressure upto 2.2 Meter from ground level. With a lifespan of up to 50 years, it is constructed from 100% food-grade raisin, making it non-porous and resistant to contamination. Impermeable to tree roots, it's suitable for both underground and on-ground installation. Leak-proof, rust-proof, and non-corrosive, it’s easy to install within 2 working days. Available in capacities from 5,000 to 50,000 litres in multiple of 5,000 litres , it's a space-saving solution.
Why settle for ordinary storage when you can choose a tank that stays hidden, saves space, and keeps your water fresh for years? At Sintex, we bring you our FRP underground water tank range, which is built to easily handle underground pressure while protecting your water around the clock. If you want strength, hygiene, and long-term peace of mind, our Sintex FRP water tank collection matches your home, industry, or commercial projects.
Our FRP underground water tank lineup is designed using Fiber Reinforced Plastic, a material trusted for aviation and marine use. It is strong, lightweight, and long-lasting. With this tech advantage, we deliver FRP tanks that fight rust, leaks, cracks, and contamination while keeping your water clean and safe.
Why FRP For Underground Water Storage
Choosing underground storage is often about saving space and protecting water. With our FRP water tanks, you experience premium strength and hygiene without the heavy structure or maintenance issues in traditional builds. Since FRP is non-porous and food-grade, it keeps your water odor-free and safe for consumption. When you choose a Sintex FRP water tank, you get durability and a clean storage environment for many years.
Built For Pressure And Purity
You no longer have to worry about soil load, tree roots, corrosion, or seepage. Every FRP underground water tank from Sintex can withstand ground pressure and stay intact even in challenging conditions. These FRP tanks do not allow algal growth or contamination as they are non-porous and rust-free. The smooth finish makes cleaning easier and keeps water pure for a long time.
Fast And Easy Setup
The lightweight body of our FRP water tanks helps avoid time-consuming and costly installation work. With quick placement and easy handling, your FRP underground water tank's entire setup can be completed faster than a concrete storage tank. You also save significant labour and effort, making it a cost-effective long-term choice.
FRP vs Concrete Tanks
Many homeowners and builders want to understand the difference between FRP and concrete underground tanks. Concrete holds water but is prone to cracks, algae, seepage, and corrosion in the long run. Our bold FRP water tanks eliminate these problems with a sealed structure that stays stable and leak-proof.
When you compare the differences between FRP and concrete underground tanks, FRP clearly wins on durability, hygiene, speed of installation, lifespan, and maintenance savings. Today, more users prefer a Sintex FRP water tank than a concrete storage tank.
Perfect For Homes And Commercial Needs
Whether you want a clean water source for your home or a long-lasting system for your business, our FRP underground water tank options are suited for every requirement. They handle enormous storage demands and resist external stress with ease. With vast capacity choices and a lifespan beyond 50 years, our FRP tanks give unmatched convenience.
Low Maintenance And Long Life
Once installed, our FRP water tanks require very minimal care. They do not crack, corrode, or react with soil. Since there is no seepage or rust, your water stays clear and consumable. If you compare the difference between FRP and concrete underground tanks, this low-maintenance benefit stands out immediately. A Sintex FRP water tank is built to last and stay strong for decades.
Why Choose Sintex?
Choosing the right tank is not just about storage. It is about trust, long-term safety, and zero compromise on quality. Here is why our brand stands out when it comes to FRP tanks and FRP underground water tank systems.
1) Built For Indian Conditions
India has diverse soil types, changing climates, and harsh weather patterns. We understand this better than anyone. Each Sintex FRP water tank is designed to handle heat, moisture, ground pressure, and soil reactions without cracking or leaking. No matter where you install it, our FRP water tanks stay stable and dependable through every season.
2) Years Of Expertise You Can Rely On
We are not new to innovation. We have spent decades building safe, durable water solutions for families and industries. This experience helps us create FRP tanks that are strong and smartly engineered. When you choose an FRP underground water tank from Sintex, you are choosing proven excellence and trusted craftsmanship.
3) Advanced Manufacturing For Bettter Quality
Our tanks use high-end products that ensure consistency, hygiene, and durability. Every Sintex FRP water tank goes through strict quality checks. With modern molding techniques and precision finishing, our FRP water tanks maintain integrity even under constant soil load and moisture.
4) Superior Strength With Safe Design
From structure to surface, everything is built to protect your water. The non-porous body of our FRP underground water tank prevents seepage and contamination. The strong fiber-reinforced plastic material frees the tank from rust and corrosion. With this design advantage, our FRP tanks stay powerful and clean for many years.
5) Long-Term Value And Peace Of Mind
Sintex helps you invest in a solution, not a repeated expense. Since our FRP water tanks do not crack or corrode, maintenance and lifespan are low. You avoid repairs, leakage issues, and water wastage. With a Sintex FRP water tank, you are assured purity, safety, and durability for the long run.
Underground/Onground Installation
FDA compliant
Leak -Proof, Rust-Free & Non Corrosion
Light Weight
Easy Installation
