Stone extension
From Cantr II Wiki
A stone extension goes in a stone building or room and acts as a separate room, but doesn't cost as much or provide as much space as building another room would.
Konstrukcje
Objekt: kamienna przybudówka
Dni pracy: 12
Materiały potrzebne: 10000 gram kamienia stone
Przedmioty potrzebne: brak
Narzędzia potrzebne: kielnia trowel
Capacity
People: 26
Weight: 3800000 grams