GUIDE
The choice is rarely about the tank alone. A concrete reservoir needs civil works; a steel tank needs a crane and a truck. A flexible bladder tank needs flat ground and a delivery that fits in a carton.
COMPARISON
For irrigation, construction and emergency water, that difference is usually the whole decision. Compare install, transport, time to use, relocation and best fit below.
No concrete base. Folds compact for transport. Fill on arrival and use the same day. Drain, fold and move it to the next site. Stock 5,000–50,000 L; custom 1,000–500,000 L. Best for temporary, seasonal and remote water.
Needs a crane and a truck to install, and the full rigid volume to transport. Fixed where it is installed. Best for permanent installations with a fixed water system or pressurised supply.
Needs civil works and a cure time before it holds water. Fixed and permanent. Best where local rules require a rigid tank, or where a permanent fixed water system is in place.
WHEN FLEXIBLE WINS
A flexible bladder wins wherever water is temporary, seasonal or remote: seasonal irrigation, construction sites, disaster relief, remote locations, rented land and phased projects. If the job moves or changes, the tank moves with it.
Water for a season, then folded away.
Site water from day one, no civil works.
Bulk water where it is needed, fast.
WHEN RIGID STILL WINS
A rigid tank still wins for a permanent installation with a fixed water system, a pressurised supply, or where local rules require a rigid tank. We say so honestly — a flexible bladder does not fit every job.
A fixed water system in one place.
Where the supply must be pressurised.
Where local rules require a rigid tank.
COST LOGIC
No prices are published on this site. The cost case for a flexible bladder is transport plus install plus time — not a price list. A folded bladder ships in a carton, needs no concrete base and no crane, and fills on arrival. The exact price is quoted per order.
Folds compact. A delivery that fits in a carton.
No concrete base and no crane.
Fill on arrival — no build, no cure time.
SIZES
Four stock PVC water sizes, non-potable water only. Filled size and empty weight for each — custom sizes from 1,000 to 500,000 L on request.
A compact store for a small roof catchment and garden or drip irrigation. Filled size 2.5 x 2 x 1 m, about 22 kg empty. 1,321 US gal.
Mid-size storage for larger roofs and longer dry spells. Filled size 5 x 2 x 1 m, 37.4 kg empty. 2,642 US gal.
A larger store for a bigger roof catchment or a longer programme. Filled size 5 x 4 x 1 m, 63.8 kg empty. 5,283 US gal.
A large bulk store for a big roof catchment or a large site. Filled size 10 x 5 x 1 m, 147 kg empty. 13,209 US gal.
RIGID VS FLEXIBLE QUESTIONS
Quick answers about choosing between a flexible bladder and a rigid tank.
Still need help? Send us an enquiry and we will point you in the right direction.
ENQUIRY
Tell us the medium, capacity, quantity and destination, and we will reply with a written quotation.
100 sets, with 1 sample set first.
20 days for standard sizes, 30 days for custom sizes.
Valve size and material to be confirmed per order.