Minutes later, they were on the flat roof of the power plant.
It was a large building with a high flat roof.
It is a one story building with a flat roof.
It was built in the 1940s, and is a two story building with a flat roof.
The open window looked out over the flat roofs of the city and the lake beyond.
I can't think what building it is then, if it's got a flat roof.
Right there, in the flat roof, was an access door.
The flat roof was a special feature of this building.
Below me I could see only the flat roofs of the two houses.
You can also use this treatment on flat roofs which are in poor condition.
Wörterbuch für Begriffe aus dem Bereich Bauwesen