The Jews were commanded by God: “In case you build a new house, you must also make a parapet for your roof, that you may not place bloodguilt upon your house because someone... might fall from it. ”
(‏ تثنیه ۲۲ :‏ ۸ )‏ در آن زمان خانواده‌های یهودی از پشت‌بام‌های خود به منظورهای متفاوتی استفاده می‌کردند .‏