St Columb's Cathedral, Londonderry

St Columb's Cathedral, Londonderry

Londonderry Ireland RM Funcosil KSE 300 Funcosil SL

Reference identification data
Construction project:
Facade restoration / natural stone
Building type:
Churches / cloisters
Short description
For repair / strengthening and protection of stonework, Mullarkey Pederson Architects chose the following system: RM, Funcosil KSE 300 and Funcosil SL.
Task:

St Colmbs Cathedral was built in 1633 and stands within the famous 'Walls of Derry'. Londonderry’s oldest building is a fine example of “Planters Gothic” and has become a landmark building. In 2011, Mullarkey Pederson Architects chose a number of Remmers products for the repair / strengthening and protection of stonework.

Designer:
Mullarkey Pedersen Architects
Site address:
BT48 6RQ Londonderry
Date / completion:
2011
Can the work be viewed?
No

Sample of products or systems used

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Further references

The structure showed cracks in some places, for which there were different causes. Improved statics and higher load capacity were achieved by stiffening the structures, frictional connection of the disturbed foundation and decoupling the components gate, passage hall and gate houses components. Particularly on the western side, intense blackening of the rock surface had built up, which was strongly interlocked with the ground. The deposits were composed of a mixture of soot and plaster. The cleaning process carried out in 1990 with the help of water could only result in a superficial cleaning. In 2002, the newly developed method of particle beam cleaning and cleaning by laser made it possible to remove soot and plaster without destroying the original surface.
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On the façade surfaces of Kaispeicher A, there was a lot of efflorescence and lime aging, both signs of penetrating moisture. The damage patterns indicated a lack of frost resistance as well as no protection against driving rain. The listed façade required extensive frost and moisture protection, but was not allowed to undergo any visual changes.
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