firmenpresse print | City Archives in convent walls salvaged
18.05.2010
City Archives in convent walls salvaged
If historic building structures can not be protected by subsequent sealing against moisture and efflores-cence, the moisture regulation render "Exzellent" from MC Bauchemie is a sound solution.
The building substance of the Carmelite monastery in Frankfurt on the Main consists of partly stuccoed rubble masonry. It shows heavy moisture penetration due to missing horizontal and vertical barrier layers, along with efflorescence attributed to high salt concentra-tions.
The restoration extent was determined by the installation of new fittings, the fire protection improvements of the building, the necessary reconstructions while the property was in use and the city archives, which remained open throughout. For longterm and lasting damage repair, the architects Nieper & Partners from Darmstadt and Scheffler & Partners from Frankfurt depended on the exceptional qualities and the beneficial effect of the moisture regulation render Exzellent with Poraver expanded glass granulate as mineral lightweight filler.
The physically and structurally superlative material has been used for the refurbishment of historic buildings successfully for over 14 years.
A total of 750 square meters were carefully reconditioned in 3 stages with Exzellent: the cellar vault in the restaurant area, the parapet walls of the cloister, both interior and exterior, and the walls on the outside.
Due to special additives and the unique pore geometry, the plaster has a highly permeable structure. The special pore geometry of the non-hydrophobic, allows for up to 15 times the evaporation rate of conventional restoration renders.
Thus, the masonry moisture is unobstructed in reaching the render surface. The salts are carried with the moisture through the render to the surface and can no longer negatively impact the building structure.
Therefore, Exzellent the moisture regulation render is preferred by planners and processors as an effective and efficient protection while renovating wet masonry and damp walls in both the interior and exterior of a building.
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