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Product category: Waterproofing, Sealants and Adhesives
News Release from: Sika | Subject: Sika concrete repair systems
Edited by the Buildingtalk Editorial Team on 01 August 2006

Sika protects Armthorpe Water Tower

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Sika concrete repair systems have recently been used in the refurbishment of Armthorpe water tower in Doncaster, owned by Yorkshire Water.

Sika concrete repair systems have recently been used in the refurbishment of Armthorpe water tower in Doncaster, a single compartment, reinforced concrete structure that is owned by Yorkshire Water Built in 1923 with a capacity of 1,130 cubic metres, the tower was starting to deteriorate, with spalling concrete and leaking joints

Because of the nature of the project, it was important that the repair materials used met all criteria required for contact with potable water.

Stonbury, AMP4 term contractors who were working for main contractor Earthtec Morrison, removed all spalling concrete, and made good using SikaTop 122, a pre-bagged, two component concrete repair mortar.

It is suitable for all high strength concrete repairs, and has DWI approval, so is suitable for contact with drinking water.

Internal joints were sealed using SikaDur -Combiflex high performance joint sealing system.

The system consists of Combiflex Hypalon strip, bonded with SikaDur epoxy high strength adhesive.

Its versatility makes it ideal for large expansion joints or cracks, is chemically resistant, and once again has DWI approval.

To ensure the future integrity of the structure, Stonbury applied SikaGard 550W Elastic anti-carbonation coating to the exterior of the water tower.

This environmentally friendly, one component, water based decorative coating remains permanently elastic, thus ensuring long term protection against weathering, carbonation and UV degradation.

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