Water Storage Tanks Compared: Plastic, Stainless Steel, FRP and Concrete Tanks, Sizes, Lifespan, Cleaning, Cost, Underground Versus Overhead Use and Choosing for Homes and Industry in Pakistan
Water storage tanks come in plastic, stainless steel, fibreglass and concrete, and the right type depends on size, placement and budget. This page compares them on sizes, lifespan, cleaning, cost, underground versus overhead use and how to choose for homes and industry in Pakistan. For plastic tank rates see water tank prices, and see overhead tanks and 5000 litre tank prices.
Types compared
- Plastic (polyethylene). Cheap, light, 200 to 10,000 litres, 10 to 20 years.
- Stainless steel. Clean, long-lasting, costly, 20 years or more.
- Fibreglass (FRP). Strong, large sizes, suited to industry.
- Concrete. Underground or large, durable, needs lining.

Indicative costs
These ranges show common figures for a 1000 litre equivalent.
| Tank | Indicative range |
|---|---|
| Plastic tank, 1000 litres | PKR 16,000 - 26,000 |
| Stainless steel tank, 1000 litres | PKR 70,000 - 140,000 |
| FRP tank, 1000 litres | PKR 40,000 - 90,000 |
| Concrete tank, built, per 1000 litres | PKR 30,000 - 70,000 |
Prices move with brand, model, size and stock. Use these ranges to judge a quote, then compare the exact model and what is included.
Lifespan and cleaning
Plastic and steel tanks have smooth interiors that clean easily. Concrete tanks need sealing and periodic cleaning, and rough surfaces can harbour dirt. Clean any tank twice a year. See water tank cleaning.

Overhead or underground
Plastic and steel tanks suit overhead or ground use, and concrete or specially built tanks suit underground. Underground tanks need a pump but protect water from heat and save space. Standard plastic tanks cannot be buried.
Choosing for homes
Most homes use plastic tanks of 1000 to 2000 litres, and apartments often have a concrete underground tank with a roof tank. Choose by space, budget and supply.
Choosing for industry
Factories and farms choose large FRP, steel or concrete tanks, and stainless steel for food use. Consider chemical compatibility and fire storage needs.
Safety and quality
Water for drinking must be stored in food-grade, lidded, light-proof tanks. Keep lids closed, screen vents and inspect for cracks. Fixed plumbing and tank connections should be done by a licensed plumber.
What to check before buying
- Material. Suits the use
- Placement. Overhead, ground or underground
- Cleaning. Smooth interior, access
- Warranty. Written
A simple rule
For most homes, a three-layer plastic tank is the practical choice, and steel or concrete is for special needs or large buildings.
Before you decide
Choose the material for the use and placement, and keep tanks clean and covered. The right water storage tank gives safe supply for many years. Write down the volume you need, the space available and the budget, compare at least two materials against that list, and ask each supplier for the cleaning access and the warranty in writing, because the cheapest option on day one is rarely the cheapest over fifteen years.
Frequently Asked Questions
Plastic suits most homes, stainless steel suits food and long life, and concrete suits underground or large storage. Ask for the specification in writing so you can compare quotes on the same basis. Check the warranty terms and who honours them before you pay.
About PKR 70,000 to 140,000 for 1000 litres. Check the warranty terms and who honours them before you pay. Measure carefully and confirm sizes with the seller before ordering. Rates and stock change, so confirm the current position before you commit. If you are unsure, send a photo and the measurements and we will advise.
Only tanks designed for it. Measure carefully and confirm sizes with the seller before ordering. Rates and stock change, so confirm the current position before you commit. If you are unsure, send a photo and the measurements and we will advise. Ask for the specification in writing so you can compare quotes on the same basis.
At least twice a year. Rates and stock change, so confirm the current position before you commit. If you are unsure, send a photo and the measurements and we will advise. Ask for the specification in writing so you can compare quotes on the same basis.
Fibreglass-reinforced plastic, strong and used for large tanks. If you are unsure, send a photo and the measurements and we will advise. Ask for the specification in writing so you can compare quotes on the same basis. Check the warranty terms and who honours them before you pay.
Usually the same working day once you send the quantity, the size or rating and a photo. The reply is a written rate with the model, warranty and delivery listed, so you can compare it against other quotes line by line. Rates and stock change, so confirm the current position before you commit.
Choosing a storage tank?
Send the details and a photo. We reply with a written rate.