Stormwater attenuation tanks

Our tanks are custom built beyond the sizes or shapes available for concrete or cellular systems. Offering an infinite number of layouts using pipes from 0.3m to 3.6m diameter – with a mimimum design life of 60 years.

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Chamber system

Our new chambers provide unprecedented access to our tanks, making inspection and maintenance quicker, easier and safer than ever before.

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Put your faith in Twinstore

Our trusted stormwater tank system delivers greater performance at a low cost. Not only that, Twinstore’s patented system increases the volume of storage with a footprint comparable to cellular systems.

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Made in Britain

All our Helibore Culverts and Attenuation Tanks are proudly manufactured in the U.K.

Come and see us at Floodex

At Floodex you’ll be able to engage with experts and consultants, harvesting advice on what your could and should be doing. Network with your peers, find out what their plans are and share ideas. Come and see us at STAND: P26 and find out more about how: Our versatile and durable products serve t...

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