25,000L Food Grade GRP Water Tank for Schools
Key Points Tag :
Schools are typical high-density public facilities where a large number of students, teachers, and staff require a stable and safe water supply every day.
Especially in newly built modern schools, a reliable water storage system is essential to meet various water requirements, including daily domestic water supply, drinking water storage, kitchen water supply, dormitory water supply, fire protection reserve water storage, and secondary water boosting for multi-story buildings.

School Fire Water Tank

Drinking Water Storage Tank

Cafeteria Kitchen Water Supply
With excellent corrosion resistance, hygienic safety, flexible capacity design, and convenient installation, GRP (Glass Reinforced Plastic) water tanks help schools maintain a long-term and stable water supply while reducing maintenance costs.
For schools where safety and reliability are highly valued, high-quality GRP water tanks provide a practical solution that combines safety, durability, and cost efficiency.
Why Do Schools Need a Reliable Water Storage Tank?
Compared with ordinary residential buildings, schools have a much larger population, including students and staff, resulting in higher and more concentrated water consumption.
Especially during peak periods such as class breaks, lunchtime, and morning/evening hours, water demand can increase significantly.
A school water supply system usually needs to support:
- Student drinking water needs
- Restroom and handwashing facilities
- Campus cleaning water supply
- Kitchen and cafeteria water supply
- Dormitory domestic water supply
- Fire protection reserve water storage
Besides fire emergency water tanks, which are commonly required, additional water storage facilities can be selected based on local municipal water supply conditions.
If the local water supply is insufficient, electricity supply is unstable, or the school has multi-story buildings requiring secondary water boosting, modular water tanks can improve emergency water storage capacity and daily water supply regulation, ensuring a stable learning and living environment for students and teachers.

What Requirements Should School Water Tanks Meet?
1. Safe and Hygienic to Prevent Secondary Contamination
School water tanks need to store domestic water for long periods while ensuring the safety of water used by students and teachers.
The storage system should meet the following requirements:
- Non-toxic and environmentally friendly materials
- Smooth internal surfaces
- No rust or corrosion contamination
- Easy inspection and cleaning
Compared with traditional steel water tanks, food-grade resin-based GRP materials do not react with water and can maintain long-term stable performance.
2. Large Capacity Storage to Meet Campus Water Demand
The capacity of a school water tank is usually determined by:
- Number of students and staff
- Daily water consumption
- Campus building size
- Local municipal water supply conditions
GRP modular water tanks adopt standardized panel assembly designs, allowing flexible customization according to project requirements:
- 50m³
- 100m³
- 500m³
- 1000m³ and above
The modular structure not only meets the water storage requirements of large campuses but also allows convenient future expansion and upgrades.
They are especially suitable for school projects in tropical, coastal, and high-humidity regions.
School Fire Protection Emergency Water Storage
School fire safety is a major concern, and strict requirements are usually applied to fire protection facilities.
As a reliable water storage solution, modular water tanks are widely used in modern buildings. In schools, they can store emergency fire water for long periods and provide reliable protection for campus safety.
They are especially suitable for buildings such as:
- Student dormitories
- Libraries
- Laboratory buildings
- Sports halls
- Large teaching buildings
These facilities require an independent and reliable fire water source to ensure sufficient water supply during emergencies.

Why Are Modular Water Tanks More Widely Used in Schools in Developing Countries?
For markets such as Africa, Southeast Asia, and the Middle East, modular water tanks are more commonly used in school projects.
The main reasons include:
Unstable Municipal Water Supply
Examples:
- Limited daily water supply hours
- Water shortages during dry seasons
- Insufficient pipeline pressure
Schools need water storage systems to:
- Store 1–3 days of water supply
- Maintain normal teaching and campus operations
Limited Fire Protection Infrastructure
Many schools need to establish:
- Fire water storage systems
- Emergency water supply systems
Therefore, GRP water tanks and hot-dip galvanized water tanks have strong market demand in these regions.
Reference for Matching Water Tank Panel Thickness and Height Values
| Height | Bottom Board | Side 1 | Side 2 | Side 3 | Side 4 | Side 5 | Top board |
|---|---|---|---|---|---|---|---|
| 5000 mm | 20 mm | 20 mm | 16 mm | 14 mm | 12 mm | 10 mm | 5 mm |
| 4500 mm | 20 mm | 20 mm | 16 mm | 14 mm | 12 mm | 10 mm | 5 mm |
| 4000 mm | 18 mm | 18 mm | 14 mm | 12 mm | 10 mm | 5 mm | |
| 3500 mm | 16 mm | 14 mm | 12 mm | 10 mm | 8 mm | 5 mm | |
| 3000 mm | 14 mm | 14 mm | 12 mm | 8 mm | 5 mm | ||
| 2500 mm | 12 mm | 12 mm | 10 mm | 8 mm | 5 mm | ||
| 2000 mm | 12 mm | 10 mm | 8 mm | 5 mm | |||
| 1500 mm | 10 mm | 10 mm | 8 mm | 5 mm | |||
| 1000 mm | 10 mm | 10 mm | 5 mm |
- FRP/GRP panels are manufactured using standard molds. Common panel sizes include 1×1 m, 1×0.5 m, and 0.5×0.5 m.
- The maximum tank height is 5 meters. For tanks exceeding 4 meters in height, external C-channel steel reinforcement is required.
- Panel thickness varies according to the tank height and pressure resistance requirements, depending on the overall tank design.
Water Tank Structure
- Panels (including bottom panel, wall panels, roof panel, and manhole cover);
- Internal Components (including internal ladder, tie rods, supports, flanges, and rubber seals);
- External Components (including external ladder, angle iron, tie plates, bolts, and nuts);
- Base (Concrete beam,C-channel steel).
Physical Properties
| Physical Property | Standard Requirement | Test Result |
|---|---|---|
| Tensile Strength | ≥60 MPa | 66.5 MPa |
| Flexural Strength | ≥120 MPa | 184 MPa |
| Flexural Modulus | ≥10 GPa | 12.8 GPa |
| Barcol Hardness | ≥60 HBa | 63.9 HBa |
| Water Absorption | ≤0.5% | 0.13% |
| Glass Fiber Content | ≥25% | 29% |
Application Scenarios
- Civil Use:
- Water storage for residential buildings, hotels, schools, and hospitals
- Supports domestic water supply and fire-fighting systems
- Industrial Use:
- Cooling water, circulating water, process water, and wastewater treatment in factories and plants
- Agricultural Irrigation:
- Large-scale water storage for irrigation systems
- Fiberglass tanks are durable, hygienic, and cost-effective for modern agricultural projects
- Other Uses:
- Potable water, seawater, chemical storage, hot water, rainwater harvesting, reverse-osmosis water tanks, swimming pool balance tanks, and industrial process/storage tanks
| Product Name | Fiberglass Water Tank, FRP Water Tank, GRP Water Tank |
|---|---|
| Material | FRP, GRP |
| Grade | Food Grade |
| Origin | China |
| Color | white |
| Panel Size | 0.5*0.5m, 1*0.5m, 1*1m, 2*1m |
| Panel thickness | From 5mm to 24mm |
| Certification | ISO3834, ISO9001 |
| HS Code | 730990 |
| Capacity | 1000Litres -Infinity |
| Foundation | Concrete Foundation, U-Steel Bottom Bas |
| Installation | Sitting Type, Welding |
| Production Capacity | 2000Ton/Month |
| Transport Package | Pallet Box, Plywood Pallet, Steel Frame |
| Sample | Provided |
| After-Sale Service | Online Technical Support |
Professional Design Capability


Packing & Shipping
- The products are packaged using iron frames or plywood boxes to ensure they are not damaged during land transportation and shipping.
- Each individual package is covered with a waterproof film to prevent exposure to moisture during long-term sea transportation.
- Accurately label all panels and accessories to facilitate quick installation by customers.

Water Tank Panel Packaging 1
Plywood Box

Water Tank Panel Packaging 2
Steel Frame Support

Water Tank Panel Packaging 3
HDG

Water Tank Panel Packaging 4
GRP/FRP

Large Components
Loose Packing

Small Accessories Packaging
Plywood Box

Full Container Shipment
Steel Frame Packaging

Full Container Shipment
Simple Packaging
Qualification & Certification
Our water tank products are designed and manufactured in strict accordance with domestic and international standards and have passed multiple industry-recognized certifications, including ISO 9001 Quality Management System certification, food-grade stainless steel material standards (SUS304 / SUS316), and drinking water safety-related certifications.




Delivery
- For standard water tank less than 200m3, it would be 3-5 days;
- For non-standard water tank and customized water tank according to client’s specific requirements, it would be 7 to 15 days.
- The final delivery time shall be subject to the actual order confirmation.
The product information provided above may not be detailed or accurate enough. Please refer to actual communication for specific details. You are welcome to contact us!















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