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Water tank products
Insulation Water Tank
Insulated water tank
Product Description
The Insulated Water Tank is equipped with an additional thermal insulation layer installed outside the main tank body, effectively minimizing heat loss and maintaining stable internal water temperature under extreme outdoor conditions. This design prevents freezing in cold regions and reduces excessive heat absorption in hot climates. The system is widely applied in drinking water storage, industrial water supply, cleaning systems, and municipal infrastructure projects, especially in areas with significant temperature variations.
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Modular assembly
GRP Water Tank Structure
GRP Water Tank System Includes: GRP panels Internal reinforcement Base support structure Bolted connection system Sealing system Inlet/outlet fittings and accessories
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High-Strength GRP Panels
Durable, corrosion-resistant panels for long-lasting water storage.
Reinforced Steel Structure
Strong steel support ensures stability and safe load-bearing.
Leak-Proof Sealing System
Reliable sealing design ensures excellent water tightness.
GRP water tank structure
Insulation Water Tankk Panels
To meet diverse structural and project requirements, our fiberglass water tanks utilize two proven panel designs: convex panels and diamond-shaped panels. All panels are made of high-quality fiberglass reinforced plastic (GRP) material and manufactured using a hot-pressing process, ensuring excellent strength, corrosion resistance, and a long service life.
Polyurethane Foam + Color Steel Panel

Tank Structure

Inner Tank Material: Stainless Steel (SUS304 / SUS316) / GRP / Hot-Dip Galvanized Steel
Insulation Layer: High-density integrated polyurethane foam
Outer Cladding: Color steel panel with anti-corrosion coating
Key Advantages
Excellent Thermal Insulation: Low thermal conductivity polyurethane foam, temperature drop ≤3–5°C within 24 hours
Seamless Integrated Foaming: Eliminates thermal bridges and heat leakage
High Structural Strength: Rigid outer shell suitable for outdoor and heavy-duty installations
Cost-Effective Solution: Ideal balance between performance and project budget
Typical Applications
Residential and commercial hot water systems
Hotels, hospitals, schools, and dormitories
Air source heat pump & solar hot water systems
Cold climate and outdoor installations
Rubber Foam Insulation + Aluminum Foil Cladding

Rubber Foam Insulation + Aluminum Foil Cladding

Tank Structure

Inner Tank Material: Stainless Steel / GRP / Hot-Dip Galvanized Steel
Insulation Layer: High-density rubber foam insulation (B1 fire-retardant grade)
Outer Cladding: Aluminum foil composite protective layer
Key Advantages
Excellent Moisture Resistance: Closed-cell rubber foam prevents condensation
Lightweight Design: Suitable for rooftop and indoor installations
Flexible Assembly: Easy transportation and on-site installation
Clean & Modern Appearance: Ideal for projects with aesthetic requirements
Typical Applications
High-humidity and warm regions
Indoor mechanical rooms and rooftops
Commercial hot water renovation projects
Facilities requiring anti-condensation performance
Insulation Water Tank technical specifications

Insulation Solution

Water Tank Components & Accessories Guide
GRP water tank panel
flange
GRP water tank manhole cover
Water tank ladder
Internal support of water tank
Sealing strips
Lacing Bar and Lacing Board
Bolts Nuts and Gasket
our values
Design & Installation Support
Capacity Calculation & Layout Design
Based on your required capacity, application and site conditions, our engineers calculate the exact tank volume and design an optimized layout to ensure efficient water storage and space utilization.
Water Tank Foundation 
Drawing
We provide standard or customized foundation drawings according to tank size, load, soil condition and installation location, ensuring long-term structural stability.
Installation Drawing & 
Manual
Detailed installation drawings and step-by-step manuals are supplied to help installers assemble water tank sectional panels quickly and correctly, reducing labor cost and installation risks.
nstallation Guidance (Remote / On-site)
Our experienced engineers offer online technical support or on-site installation guidance for overseas and domestic projects, ensuring smooth installation and commissioning.
Packing & Container Loading Solution
Professional packing and container loading solutions are designed to maximize container utilization, reduce shipping cost, and protect GRP panels during international transportation.
After-Sales & Maintenance Support
Provides long-term technical support, including regular inspections, user guidance, and maintenance recommendations to ensure the  water tank operates safely and efficiently over time.
Packaging and Transportation
Our GRP (FRP) water tanks feature a modular panel design, ideal for overseas shipping. All GRP panels are securely framed with steel frames to prevent damage during long-distance transport. Accessories such as bolts, tie rods, flanges, and rubber seals are individually packaged in sturdy plywood crates. This compact packaging maximizes container capacity, thereby reducing international shipping costs.
Water tank packaging

GRP water tank packaging

GRP water tank packaging
GRP water tank transportation

Our Products
Modular Water Storage Solutions
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GRP Water Tank
GRP Water Tanks
Engineered with premium food-grade fiberglass reinforced plastic. Modular design for easy assembly, zero-leakage performance, and extreme UV resistance. Ideal for potable water storage in harsh climates.
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Hot-Dip Galvanized Water Tanks
Hot-Dip Galvanized Water Tanks
Robust carbon steel construction with a thick zinc coating for superior rust protection. Built for industrial fire protection and large-scale agricultural irrigation with a service life of over 20 years.
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Stainless Steel Water Tanks
Stainless Steel Water Tanks
The ultimate hygienic solution for drinking water. Featuring a bolt-together modular design that eliminates the need for welding, ensuring high structural integrity and a sleek, modern finish.

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Corrugated Steel Water Tanks
Corrugated Steel Water Tanks
High-tensile corrugated steel panels with a high-performance internal liner. Optimized for quick onsite installation, high-volume capacity, and heavy-duty livestock or farm use.
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Elevated Water Tanks
Elevated Water Tanks
Integrated tank and steel tower structures designed to provide reliable water pressure via gravity. Engineered to withstand high wind loads and seismic activity for municipal and rural supply.
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Insulated water tank
Insulated water tank
Specialized GRP or Stainless Steel tanks featuring polyurethane (PU) foam insulation. Prevents freezing in winter and overheating in summer, perfect for HVAC systems and extreme environments.
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FAQ for Insulation Water Tank
Cold Climate Insulated Water Storage Tank
An FRP (Fiber Reinforced Plastic), also known as GRP (Glass Reinforced Plastic), water tank is a modular or sectional water storage tank made of fiberglass-reinforced resin panels. It is widely used for potable water storage, fire fighting systems, industrial water, and municipal projects due to its high strength, corrosion resistance, and long service life.
GRP water tanks offer several advantages: Corrosion-resistant (no rust, suitable for coastal or chemical environments) Lightweight but high strength Modular design, easy transportation and on-site installation Long service life (20–30 years with proper maintenance) Low maintenance cost Food-grade materials available for potable water Compared with carbon steel or concrete tanks, GRP tanks are more cost-effective over the long term.
Yes. Our GRP water tanks are manufactured using food-grade resin and panels that comply with international drinking water standards. They are safe for potable water storage and widely used in: Residential buildings Hotels & hospitals Schools Municipal water supply projects
GRP water tanks are customizable in size and capacity. Typical capacity range: From 1 m³ to over 2000 m³ The tank dimensions can be designed according to: Project requirements Installation space Modular panel sizes commonly include 1×1 m, 1×0.5 m, and 0.5×0.5 m, allowing flexible combinations.
GRP water tanks use a panel-type modular structure and are assembled on site. Installation process: Prepare a concrete or steel foundation Assemble GRP panels with hot-dip galvanized or stainless steel bolts Install internal reinforcements and sealing materials Conduct water leakage test We provide: Installation drawings Technical guidance Remote or on-site installation support
Yes. GRP water tanks are widely used as fire water storage tanks for: Industrial plants Warehouses Commercial buildings Power stations They can be designed to meet fire protection standards and customized with: Fire water outlets Manholes Level indicators
GRP water tanks are shipped in panel form, which: Saves container space Reduces transportation cost Avoids damage during shipping We support: LCL and FCL shipments Export-standard packing Sea freight solutions to Africa, Middle East, Southeast Asia, Europe, and South America
As a professional GRP water tank manufacturer, we offer: Stable quality control system Competitive factory pricing Rich experience in overseas engineering projects Fast delivery and technical support Long-term cooperation for distributors and contractors We focus on reliable water storage solutions for global markets.