A: Tree roots typically invade older types of sewer mains, where cracks and loose fittings allow roots to enter. Old clay pipes are susceptible to root intrusion because the mortar that was used ...

Most sewer laterals are typically 3 or 4 inches in diameter and made from clay, cast iron or plastic. The pipe has two parts – the upper lateral, which extends from the home to the end of the ...

If you have an older clay pipe buried for your sewer line, root penetration is far more likely than with modern concrete or PVC plastic sewer systems. Replace your pipes with a modern material as ...