Sintex Underground FRP (Fiberglass Reinforced Plastic) Tanks are advanced, maintenance-free storage solutions designed for long-term underground installation. Manufactured using high-strength, corrosion-resistant composite materials, these tanks provide a safe, leakproof, and durable alternative to traditional RCC and MS tanks.
Engineered for underground applications, Sintex FRP tanks are lightweight, structurally strong, and completely rustproof—making them ideal for storing potable water, wastewater, sewage, industrial effluents, and other liquids. Their monolithic, seamless construction ensures zero leakage, while the FRP material offers excellent resistance to soil chemicals, moisture, and environmental stress.
Designed for quick installation with minimal civil work, Sintex Underground FRP Tanks are widely used in residential, commercial, and industrial projects where long-term reliability and space-saving solutions are essential.
⭐ Key Features
| Feature | Description |
|---|---|
| 100% Leakproof Design | Seamless monolithic FRP construction ensures no cracks, no seepage, and zero contamination. |
| Rustproof & Corrosion-Resistant | FRP does not corrode or react with soil, moisture, or chemicals—unlike MS or RCC tanks. |
| Lightweight & Easy to Install | Easy to handle, transport, and install with minimal labor and civil work. |
| High Strength-to-Weight Ratio | Strong structural design enables long-term underground use without deformation. |
| Weather & Soil Chemical Resistant | Withstands aggressive soil conditions, moisture, and environmental factors. |
| No Maintenance Required | No painting, waterproofing, or anti-corrosive coatings required. |
| Long Service Life | Proven durability of more than 25 years in underground conditions. |
| Safe for Potable Water | Manufactured using food-grade, non-toxic FRP materials ensuring water hygiene. |
⭐ Benefits
| Feature | Description |
|---|---|
| Space-Saving Solution | Ideal for projects where above-ground space is limited. |
| Fast Installation | Can be installed in a single day with minimal civil work. |
| Cost-Effective | Avoids high civil cost, waterproofing, and maintenance required for RCC tanks. |
| Environment-Friendly | FRP is non-corrosive and does not contaminate soil or groundwater. |
| Customizable | Available in capacities from 1,000 liters to 50,000 liters and above. |
⭐ Applications
| Application Category | Uses |
|---|---|
| Residential Buildings | Rainwater harvesting, domestic water storage, sewage holding. |
| Commercial Projects | Hospitals, hotels, malls, office complexes. |
| Industrial Plants | Chemical water storage, ETP/STP treated water, effluent holding. |
| Infrastructure Projects | Railway stations, airports, public utilities. |
| Agriculture & Irrigation | Water storage, fertigation, irrigation systems. |
| Rural & Urban Water Supply | Municipal and community water storage systems. |
⭐ Technical Highlights
