ACOTHANE CASE STUDY

High Level Concrete Water Tower

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The high level drinking water storage reservoir within the top of the water tower, underwent a full internal refurbishment in 2017.

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After removal of the existing failed waterproofing system and surface preparation to the concrete walls and floors, all expansion joints were sealed using a joint overbanding system, and all concrete surfaces received a cementitious waterproof levelling mortar to provide a blow hole free and consistent surface for the subsequent coatings.

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After cure of the levelling mortar, heating and dehumidifaction equipment was installed to ensure that the correct applications conditions were achieved within the tank.

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Acothane LV sealer was applied to all concrete surfaces, followed by a first coat of Acothane DW cream at a minimum of 0.5 mm thickness, followed by a second coat of Acothane DW blue at a minimum 0.5 mm thickness, giving a final waterproofing system at a minimum of 1 mm thickness.

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All heating and dehumidifaction equipment was removed, and the Acothane system was allowed to cure for a minimum 7 day period at 3 degrees or above.

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