 A bark roof was common, and was quickly and easily erected.... the roof [was] covered with forest box or stringy-bark, which was stripped from the
living trees in sheets of about six feet long and from two to four feet
wide, laid upon rafters composed of small sapling poles just as they came
from being cut in the bush.The sheets of bark, having holes pierced
through each in pairs, were then tied on the rafters with cords twisted
of the inner rind of the kurrajong tree.