The screed construction work in construction phases 2 and 3 consists of different areas with different old coverings demolished by the customer, in which the existing screed is to be cleaned and sanded down (approx. 4,000 m²) or new screed adapted to the existing OK existing screed (approx. 650m²) as well as areas in which the existing screed is to be provided with a new epoxy resin coating (approx. 200 m²).

The Maximilian Kolbe School was built around 1975 as a reinforced concrete skeleton construction (TT girder ceilings on the ground floor and upper floors) or reinforced concrete/masonry construction (basement) with non-load-bearing system partition walls (so-called "Mechel walls") as interior walls and a post-and-beam curtain façade. The building has 5 storeys (UG-3. Due to age, there are deficits in the building in terms of building services, fire protection, energy balance, etc., which are to be remedied in the course of the renovation. The renovation, upgrading and conversion will be carried out in 3 construction phases. The screed construction work in construction phases 2 and 3 consists of different areas with different old coverings demolished by the customer, in which the existing screed is to be cleaned and sanded down (approx. 4,000 m²) or new screed adapted to the existing OK existing screed (approx. 650m²) as well as areas in which the existing screed is to be provided with a new epoxy resin coating (approx. 200 m²).