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Concrete tanks

Concrete tanks come in two types – either delivered complete, or poured on site.

Those delivered on site in a complete form are craned off the truck and onto a prepared sand base. These tanks are sometimes in one to three pieces. A two or three piece tank is made up of “two cups” one inverted on top of the other. A three piece tank is the same as a two piece but with a ring section in the middle. The sections are sealed together in a variety of ways depending on the manufacturer, some use a sealing ring made from a rubber or synthetic substance which is placed in a groove of the lower “cup” with some sealant before the top half is placed on. Sealant is then applied to the inside of the tank at the join to stop the water leaking out.

 

concrete on site 1

Concrete tanks are often poured on site using a steel mould into which reinforcing steel is placed before concrete is poured in. The steel form work is then removed and the completed tank is revealed.

Concrete tanks can be placed either on top or in the ground. Concrete tanks are usually the most affordable for an in ground solution. They are ideal for this purpose because they can be covered with load-bearing lids and can fit under driveways or other structures. Cracking of the tanks is one of the most common complaints but most concrete tank makers have techniques to minimise cracking.

 

SUITABILITY

 

An ideal in-ground solution. Feature load bearing tank lids, so they can be installed under garages or driveways.
Site Preparation : Compacted cracker dust or compacted sand, stabilised around the edge
In Ground : Yes
Guarantee : Ask your supplier for a written one prior to purchase
Repairable : Difficult to repair cracks if they occur. Consult the manufacturer

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