The importance of the ongoing building maintenance on stone facades.

If stone buildings aren’t cleaned as part of the maintenance cycle, the stone may suffer a level of irreversible delay. These, often historic buildings, must be maintained properly before permanent damage is inflicted says Mark Styles, Managing Director of stone cleaning and restoration experts, Thomann-Hanry®.

The façade of a building is too often left to battle with the elements, with most building owners and facilities managers opting to look after the interiors of their building rather than the exterior. We’ve worked on a vast array of projects where the build-up of dirt has caused a building’s material to become almost unrecognisable, most commonly found to be caused by a 24/7 city lifestyle and the heavy pollution this environment creates.

Furthermore, ignoring the slow deterioration of a buildings’ fabric can lead to costly – and often unexpected – bills. Not good for any facility managers’ budget planning. On a practical level, the primary concern with façade maintenance is to prevent dirt build-up – principally from airborne particulates that may contain a range of potentially problematic substrates that can react with the stone and reduce its life.

Regular cleaning helps to identify areas where there is an above normal build-up of dirt and salts that may be indicative of more far-reaching problems which, if rectified at an early stage, may have considerable cost benefits in the longer term.

Damp areas are particularly likely to attract dirt, especially in a wet climate like in the UK, and can be identified as a result of a clean if not already apparent. Thick layers of grime can retain water against or within masonry resulting in increased salt cycling and accelerated deterioration.

“Most stone façades are normally quite easy to treat, and with the nature of our unique scaffold-free system it’s possible to arrive on site and get up and running within two hours,” continues Mark Styles of Thomann-Hanry®… (more)

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