100m³ GRP Water Tank Price for Office Buildings
Key Points Tag :
GRP (fiberglass) water tanks are suitable for domestic water supply, firefighting water storage, and backup water storage in commercial office buildings. Since office buildings typically have high occupancy and noticeable fluctuations in water demand throughout the day, GRP tanks can be customized according to the building size and actual water storage requirements.
With their lightweight construction and excellent corrosion resistance, GRP water tanks can be installed in basements, equipment rooms, rooftops, and other suitable locations, providing a stable and reliable water storage solution for office buildings. Their modular panel design also allows for convenient transportation and on-site assembly, reducing installation complexity and construction time. This makes them suitable for both new construction and renovation projects.
What Is a GRP Water Tank?
GRP (Glassfiber Reinforced Plastic), also called FRP or SMC water tank, is a modular panel-type sectional water storage system widely used in industrial, civil, agricultural, and municipal applications. Its lightweight, durable, and corrosion-resistant design makes it a reliable solution for potable water, wastewater, irrigation, and process water storage.
Designed as a panel-type sectional system, GRP water tanks are assembled on-site using standardized modular panels, allowing flexible capacity configuration and easy installation, even in restricted spaces. This modular design makes GRP tanks especially suitable for large-volume industrial applications and infrastructure projects.

GRP Modular Water Tanks

GRP Sectional Water Tank

SMC Panel Water Tanks
Thanks to the inherent properties of GRP raw materials, the tank panels offer strong resistance to harsh weather conditions, UV exposure, and high temperatures, resulting in a long service life with minimal maintenance. In addition, the material’s flexibility allows the sectional tank system to be customized for various installation requirements and site conditions, making it a versatile solution for industrial and engineering projects.
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).
Weight per Panel
| Item | 5mm | 7mm | 8mm | 10mm | 12mm | 14mm | 16mm | 18mm | 20mm |
|---|---|---|---|---|---|---|---|---|---|
| 500 x 500 mm | # | 4.5kg | 4.8kg | 5.8kg | 6.7kg | 7.5kg | 8.5kg | 9.5kg | # |
| 500 x 1000mm | 7kg | # | 9kg | 11kg | 13kg | 15kg | 17kg | 19kg | 21kg |
| 1000 x 1000 mm | 12kg | 14.5kg | 17.5kg | 21kg | 25kg | 29kg | 33kg | 37kg | 41kg |
Physical Properties
| Physical properties | Standard requirement | Result |
|---|---|---|
| Tensile strength | ≥60 Mpa | 67 MPa |
| Bending strength | ≥120 Mpa | 186 MPa |
| Bending modulus | ≥10 GPa | 12 GPa |
| Pap hardness | ≥60 HBa | 64 HBa |
| Bibulous rate | ≤0.5% | 0.11% |
| Glassfiber content | ≥25% | 30% |
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
Key Features
- Modular & Sectional Design
- Assembled from standard panels (1000×1000 mm, 1000×500 mm, 500×500 mm)
- Customizable shapes (round, square) and sizes to fit specific space and capacity requirements
- Supports bolt or welding connections, with optional C-channel base
- Lightweight and Strong
- Panels are lighter than concrete or metal tanks
- High structural strength, excellent impact resistance
- Corrosion & Weather Resistant
- Resistant to water, acids, alkalis, salts, UV, and harsh weather
- Prevents rust, scaling, and bacterial contamination
- Hygienic and Safe
- Smooth interior surface inhibits algae and bacteria growth
- Made from food-grade materials, suitable for potable water
- Easy Installation & Maintenance
- Flat-pack modular panels reduce transportation costs
- Quick on-site assembly; installation videos often provided
- Low maintenance; routine cleaning is sufficient
- Long Lifespan
- Designed to last 15–25+ years with proper care
- Flexible Design Options
- Can accommodate partitions, multiple compartments, and special project requirements
- Good Insulation
- Better thermal insulation compared with metal 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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