The Masonic Hall, Londonderry

The Masonic Hall, Londonderry

Londonderry Ireland Mortar restoration Masonic hall RM

Built in 1754 and formerly known as the Bishop’s Palace; the building was once home to Bishop Harvey, Earl of Bristol, who had it largely reconstructed to his design. In 1798 it was used as a barracks and the gardens became a parade ground to the city walls.

Reference identification data
Construction project:
Facade restoration / natural stone
Building type:
Historically protected / historically valuable buildings
Short description
The exterior of the building was completely refurbished and Remmers RM was used to reconstruct the decorative elements. Large sections were rendered with a lime render which also required a breathable, durable coating system that is compatible.
Londonderry Masonic Hall
Site address:
BT48 6PR Londonderry
Can the work be viewed?

Sample of products or systems used

  • RM

    Art. No. 0750


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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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