Fiberglass Above Ground Modular Tanks
Modular Fiberglass Tanks (FRP/GRP)
FRP/GRP Modular Panel Water Storage Systems - Tank Depot
Tired of rigid, heavy tanks that can't fit your site? Tank Depot’s modular fiberglass tanks offer unmatched flexibility, fast installation, and durable performance for large-scale water and fluid storage needs. Designed with GRP/FRP panel technology, these tanks can be customized to your exact needs: from 265 gallons up to 2.5 million gallons, making them ideal for municipal, commercial, and remote site applications.
Manufactured using the SMC hot press molding process, each panel is precision-formed under high pressure and temperature to deliver a system that is structurally sound, UV-resistant, corrosion-free, and easy to ship and install..
Our above ground FRP modular storage tank line ranges from
265 to 2.5 million gallons
Advantages of Tank Depot’s Above Ground Modular Fiberglass Storage Tanks


Installation & Re-Locability
Assembling these modular frp tanks requires low man-hour labor and enables easy relocation multiple times, as well as palletization.


Complete Drainage
The base of FTC FRP Tank is constructed with convex bottom panels with a concave drain panel ideal for maximum drainage.


Tank Insulation
Excellent for industrial purposes where chilled water is required in volume.• Non-insulated panels have 240 times less thermal conductivity than metal, ensuring stable temperatures.


Durability
Our new modular frp tanks are tested for heavy impact, weather, loads, settling and earthquakes. with excellent ultra violet (UV) resistant characteristics and performance.


Flexible Design
Our modular FRP storage tanks can be assembled and fitted as per site requirement with different shapes to make full use of the available space.


Environmentally Friendly
Upon disposal it can be ground down and used as filler in concrete since the glass fibers improve the binding capability of the mix making it a recyclable product.
Above Ground FRP Modular Storage Tank Features
Modular fiberglass water tanks/GRP Water Tanks are the perfect water storage solution, offering numerous benefits that set it apart.
Our panel tanks are designed to maintain the integrity of stored water, ensuring that clean water stays clean. With a durable design life of over 40 years, complete drainage capabilities, and low maintenance requirements, our GRP (Glass-Reinforced Plastic) water tank is built to last. The modular design makes it a flexible solution, accommodating tough space constraints while being easily expandable and relocatable to suit your needs. Leak-proof by design and environmentally friendly, our tanks are recognized by international certification bodies, attesting to their quality and our company’s good standing.
Developers and consultants worldwide trust FTC FRP/GRP Panel Type Water Tanks for various applications, including potable water storage, rainwater harvesting, rural well water, desalination, fire water storage, and many more.
Discover why our modular fiberglass tanks are the preferred choice for a reliable, sustainable water storage solution at Tank Depot.
FRP Modular Tank Applications


Potable Water Storage
NSF/ANSI 61 certified for safe drinking water containment, ideal for rural developments, remote infrastructure, & municipal projects.


Fire Suppression Systems
NFPA 22-ready with rapid-fill capabilities & dependable reserve capacity for industrial, commercial, and municipal fire protection.


Rainwater Harvesting
Scalable collection and retention for LEED-certified green infrastructure, urban or commercial sites, and stormwater retention with drainage & expansion capabilities.


Industrial Process Water
Chemical-resistant builds for plants and refineries supporting cooling loops, process water, & CIP systems in corrosive and high-temp applications.


Desalination / Well Water Storage
Non-corrosive tanks for bacteria-resistant, coastal and remote locations suitable for brackish and desalinated water.


Irrigation & Agricultural Use
Store recycled or treated water in challenging environments for crop irrigation, livestock watering, and rural infrastructure.


Wastewater Treatment Balance Tanks
Designed to equalize flow rates, stabilize hydraulic loads, & buffer process fluctuations thereby preventing shock loading to downstream treatment processes. Also provides temporary storage during high inflow events.
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Why Shop Modular Fiberglass Tanks from Tank Depot?
✔ Corrosion-Resistant
Our GRP/FRP panels are inherently non-corrosive and leak-proof — no internal coatings, no rust, and no costly relining down the road.
✔ Customizable
Our modular systems are fully reconfigurable and relocatable, allowing you to scale or move tanks as your needs evolve — without new permitting.
✔ Regulatory Compliance
All potable models are built to NSF 61, AWWA, and TCEQ standards — with documentation ready for municipal and state approval.
✔ Nationwide Delivery
Our modular systems are fully reconfigurable and relocatable, allowing you to scale or move tanks as your needs evolve — without new permitting.
✔ Expert Support
With 20+ years of supply experience, we deliver on time, provide engineering submittals fast, and keep your procurement process moving.
Modular Fiberglass Tank Features
| Capacities | 265 gallons – 2.5 million gallons |
| Construction | GRP/FRP panels, SMC hot press molded. |
| Insulation Options | Optional foam-insulated panels for chilled water systems. |
| Drainage | Convex base + concave drain panels ensure full drainage. |
| Orientation | Designed for above-ground installation. |
| Maintenance | Minimal – corrosion-free, easy-access panels. |
| Certifications | NSF/ANSI 61, AWWA D120, ISO 9001, TCEQ approved models. |
| Service Life | 40+ years when properly installed. |
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FAQ: Modular Fiberglass Tanks (FRP/GRP)
Let’s Build the Perfect Modular Tank System for Your Project
No matter your project's scope, our customizable and highly durable modular FRP tanks offer a superior, long-lasting solution that saves you time and money. Don't settle for a one-size-fits-all product. Explore our full selection of fiberglass storage tanks or get a custom quote on a modular system that's built specifically for you.
Let’s Build the Perfect Modular Tank System for Your Project
No matter your project's scope, our customizable and highly durable modular FRP tanks offer a superior, long-lasting solution that saves you time and money. Don't settle for a one-size-fits-all product. Explore our full selection of fiberglass storage tanks or get a custom quote on a modular system that's built specifically for you.




