or Drain Tile. Usually a 4″ flexible plastic tube with rows of holes/slits for water to enter. The tube is wrapped with fabric to prevent dirt and small stones from entering. The weeping tileor Drain Tile. Usually a 4" flexible plastic tube with rows of holes/slits for water to enter. The tube is wrapped with fabric to prevent dirt and small stones from entering. The weeping tile is installed either inside or outside of the home at the base of the foundation. The drain tile will collect water and move it away from the foundation. More is installed either inside or outside of the home at the base of the foundation. The drain tile will collect water and move it away from the foundation.