This document discusses causes of sewer pipe backups and failures, including foreign objects, tree roots, misalignment, belly formation, and collapse. It describes typical home pipe networks and materials like cast iron, clay, concrete, orangeburg, and PVC/ABS. Causes of pipe deterioration over time are explained through diagrams of root and misalignment progression. Repair versus replacement decisions are outlined. Trenchless repair methods like pipe bursting and relining are introduced. The replacement process using excavation is depicted. The company pledges quality materials, guarantees, ethics, and community responsibility.