sentences:  Debris found at the site contained thousands of terracotta tiles having fallen from the roof.Although such roofs were also found in the Early Helladic site of Akovitika and later in the Mycenaean towns of Gla and Midea, they only became common in Greek architecture in the 7th century BC.The walls of the "House of the Tiles" were constructed with sun-dried bricks on stone socles.