Ila School

As new, Ila School close to the city centre, was the biggest primary school in Oslo. Undervisningsbygg KF (Department of school Buildings in Oslo) administrates 177 schools and handles all kind of buildings- old and new. In 2006 they initiate the renovation of all facades and roofs at the school. 

Norway
Oslo
Contractor
XK Entreprenør as
Project Date
2006

As new, Ila School close to the city centre, was the biggest primary school in Oslo

Undervisningsbygg KF (Department of school Buildings in Oslo) administrates 177 schools and handles all kind of buildings- old and new. In 2006 they initiate the renovation of all facades and roofs at the school. These works includes renovation of renders, paint, reconstruction of the roof and its construction, replacements of windows and doors all connected to the façade. The building owner concludes that the result as stunning issued with a good craftsmanship. The school was in full operation during the construction period. The façade contractor XK Entreprenør AS had the sole responsibility for all render- and paint works. They have among their 21 masons, two mason masters. At the building site we meet project leader Beslim Kadrijaj and Mason Master Geir Jahren.

-The render was totally delaminated on the facades and a total renovation was uttermost necessary. We removed all that had no adhesion, inclusive loose bricks which were carefully replaced (or reused) using proper mortars. All the smooth surfaces have been completely stripped for old paint and a new layer of lime based render has been applied,. Kadrijaj explains there are a total of 7500sqm facade- whereas 3500sqm of these are rendered surfaces.
 

Natural Hydraulic Lime Mortars

After the complete stripping, new layers of natural hydraulic lime were applied. A coarse and “strong” primer, a less coarse and less strong basecoat and ass a finishing layer- a fine and weak top coat. All applied according to the general guidelines for renovation. Kadrijaj explains that limebased mortars need more processing compared to a LC-mortar,before it is applied to the wall. We have therefor developed our own mixing process to obtain the properties we like. 

Weber did a good job during the renovation period and we used a mixing pump  to apply it more efficient at the wall. During the process we have also had technical support by consulting firm specialized in masonry buildings. Both Beslim Kadrijaj and Geir Jahren claims they have obtained a very satisfactory result and a render with good adhesion.