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The Leading GRP Water Tank Manufacturer in East Africa

Founded in 2017, Aquosys Ltd is East Africa’s trusted manufacturer and installer of hygienic, corrosion-free GRP water tanks. Certified by KEBS and ISO 9001:2015, we deliver safe and durable water storage solutions for every sector.

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East Africa’s leading manufacturer of GRP water tanks.

At Aquosys, we deliver durable, hygienic, and corrosion-resistant water storage solutions for residential, commercial, and industrial projects.

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Stop Fixing Tanks. Start Forgetting Them.

Modular GRP solutions—light, durable, and certified safe for drinking water—so you can install once and relax.

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Tanks That Outlive Buildings.

GRP tanks engineered for decades of service, not quick fixes. When Water Matters, Don’t Gamble. Choose tanks certified to protect drinking water and withstand Kenya’s climate.

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E-Certificate KE003273 AQUOSYS LIMITED_page-0001

ISO 9001:2015 Certified

KeBS Certificate_page-0001

KEBS Certified

Aquosys Waterworks Certificate_page-0001

NCA certified

Aquosys Waterworks Contract License_page-0001

Water works certifcate

Leading GRP Water Tank Manufacturer & Installer in East Africa

Providing long-lasting, corrosion-resistant GRP tanks for residential, commercial, and industrial applications.

10-Year Warranty

Industry-leading guarantee.

Hygienic & Food-Grade

 Hygienic & Food-Grade – Safe for potable water.

Serving East Africa

Trusted across Kenya, Uganda, Tanzania, Rwanda.

Support

24/7 customer support and maintenance services for all our water storage solutions.

Custom Water Storage Solutions for Every Project

From 10,000L to 2M+L — engineered for reliability.

Types of Rainforcement

Providing long-lasting, corrosion-resistant GRP tanks for residential, commercial, and industrial applications.

Internal Tie Rod Reinforcement

Internal tie rod reinforcement is used inside GRP sectional tanks to counteract water pressure and keep the panels stable. This method is ideal where space is limited, as the reinforcement is contained within the tank itself, offering a clean design while ensuring long-term durability and preventing panel deformation.

GRP Tank Installation

External Tie Rod Reinforcement

External tie rod reinforcement uses steel bracing around the outside of the GRP tank to provide strength and stability. It is especially effective for large-capacity tanks, as the external system is easy to install, inspect, and maintain, making it a reliable and cost-effective choice for industrial and municipal projects.

GRP Water Tanks

Innovative water storage solutions engineered for performance, safety, and sustainability.

GRP Panel Features

Panel Strength Hydrostatic Pressure x6 (Safety Factor)
Wind Velocity 60 m/sec
Roof Load 120 kgf/m2
Ambient Temperature 55°C (Max)
Water Temperature 60°C (Max)
Seismic Load CLASS A (S1 = 0.18, Ss = 0.36)
Seismic Zone B2
Upgraded Design Available for Higher Seismic Zones CLASS B (S1 = 1.00, Ss = 2.00)
CLASS C (S1 = 1.50, Ss = 3.50)

GRP Tanks Technical Properties

DESCRIPTION GRP DESCRIPTION GRP
Specific Gravity1.80Thermal Conductivity (Single Panel)0.096 W/m·K
Glass Content33%Thermal Conductivity (Insulated Panel 25mm)0.036 W/m·K
Tensile Strength100 MPaThermal Conductivity (Insulated Panel 50mm)0.029 W/m·K
Young's Modulus13 GPaCoeff. of Overall Heat Transmission (Single Panel)13.48 W/m²·K
Flexural Strength220 MPaCoeff. of Overall Heat Transmission (Insulated Panel 25mm)0.97 W/m²·K
Impact Strength80 Kgf/cm²Coeff. of Overall Heat Transmission (Insulated Panel 50mm)0.46 W/m²·K
Compressive Strength300 MPaThermal Expansion0.66 × 10⁻⁵ /°C
Shear Strength100 MPaWater AbsorptionLess than 0.1%
Barcol Hardness66Light TransmissionIvory 0.0%
Flame Spread (FSI)60Fire Rating ClassB/2
Smoke Development (SD)40
Hygienic & Safe for Drinking Water
Food-grade, non-toxic, and bacteria-resistant materials ensure pure water storage.
Corrosion & Chemical Resistant
No rusting or water contamination. Built to withstand harsh environmental conditions.
Long Lifespan (50+ Years)
Durable construction ensures decades of reliable service with minimal maintenance.
Temperature Stable
Maintains water quality across varying temperatures without degradation.
Eco-Friendly & Recyclable
Environmentally conscious materials that can be recycled at end of life.
KEBS & ISO Certified
Meets international quality standards for water storage systems.

Our Gallery

Innovative water storage solutions engineered for performance, safety, and sustainability.

Why Choose Aquosys GRP Water Tanks?

Innovative water storage solutions engineered for performance, safety, and sustainability.

Quality You Can Trust

Our commitment to excellence is backed by rigorous quality standards and certifications.

Aquosys LogoYears Lifespan

Performance that lasts with minimal maintenance requirements

Comparison of GRP with other types of Water Tanks.

Innovative water storage solutions engineered for performance, safety, and sustainability.

Feature GRP Tanks Steel Tanks Concrete Tanks Plastic Tanks
Durability 50+ years lifespan Prone to rust/corrosion Long life but cracks possible Shorter lifespan (10–15 years)
Corrosion Resistance Excellent, no rust Poor, requires coating Good, but may leak over time Good but weak in sunlight
Weight Lightweight, modular Heavy Very heavy Light
Maintenance Minimal, easy cleaning High, needs anti-rust treatment Medium, repair cracks/leaks Low, but limited repair options
Hygiene Excellent, bacteria-resistant Rust may contaminate water Algae growth possible Prone to algae in sunlight
Cost Medium, value for long-term High (plus maintenance) High installation cost Lowest initial cost

Knowledge Base

Get to know about GRP water tanks and water storange solutions in Kenya

Internal Tie Rod Reinforcement

Internal tie rod reinforcement is used inside GRP sectional tanks to counteract water pressure and keep the panels stable. This method is ideal where space is limited, as the reinforcement is contained within the tank itself, offering a clean design while ensuring long-term durability and preventing panel deformation.

External Tie Rod Reinforcement

External tie rod reinforcement uses steel bracing around the outside of the GRP tank to provide strength and stability. It is especially effective for large-capacity tanks, as the external system is easy to install, inspect, and maintain, making it a reliable and cost-effective choice for industrial and municipal projects.