Articles & Case Studies

Plain Saline Flexcrete Restoration of Goole’s Salt Pot

Posted: Friday 11th October 2013

A high performance cementititious repair mortar manufactured by Flexcrete Technologies Limited has been used to restore an iconic landmark in Goole, Yorkshire, known locally as the ‘Salt Pot.’

Flexcrete Monomix - a low density, high strength, shrinkage compensated mortar - was proposed by Stonbury Ltd, a specialist contractor to the water industry, for essential repairs to the 165ft Goole Water Tower which dates back to 1926. When first constructed, it held the title of the largest tower of its kind anywhere in Europe and was deemed an incredible feat of engineering. Now, it is a Grade II listed structure operated by Yorkshire Water with a capacity of 3.4 million litres of high quality drinking water, supplying the entire population of Goole, estimated at around 20,000 people.

The ‘Salt Pot’ stands adjacent to the ‘Pepper Pot’ Tower which is now disused; together, they have become widely recognised symbols of Goole. Essential maintenance was required to the ‘Salt Pot’ to ensure the structure’s longevity and repair any cracked or spalled areas of concrete. If works were not carried out, it is anticipated that the Tower would have deteriorated significantly in 20-30 years’ time.

Almost a mile of scaffolding was needed to reach the top of the tower and concrete repairs were carried out by Stonbury Limited. Flexcrete’s Monomix cementitious repair mortar was chosen for this prestigious project on the basis of its outstanding track record of use on water installations worldwide and approval under Regulation 31(4)(a) of the Water Supply (Water Quality) Regulations, as well as CE Mark accreditation in compliance with EN1504 - the pan European standard for concrete repair.

Monomix is a high build mortar which can be applied up to 80mm thicknesses in a single layer in vertical, horizontal and overhead positions. The product is supplied as a single component system ready for on-site mixing and use, requiring only the addition of clean water. It is non-toxic, requires no primer and rapidly cures to provide excellent waterproof protection from the ingress of acid gases, moisture and chlorides. Some 6 tonnes of Monomix were used to reinstate structural integrity and help preserve the Water Tower for many years to come.

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August 2021

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