... of a New Cistern Required Light Weight Flexible to Adjust to Piping or Fittings Easily ... or leaking cistern, these cistern tank liners are the perfect way to update your tank without having to buy a completely new ... applications. Whether you have an old, new, or leaking unit, these liners can help protect ... Cistern Material (concrete, steel, etc.)Obstructions or Obstacles in the Area (Is there anything ...