ROOTS CAN SEVERELY DAMAGE CLAY PIPES EASILY!
The main problems with Clay pipe are roots and it breaks easily.
Roots - Due to the weight of clay pipe, it comes in sections, meaning there are multiple joints. Roots will not only infiltrate the joints, but they attach very well to the porous surface.
Breaks – Clay pipe is easily broken. Take for instance that the majority of all older pipe in California is clay… each time they have an earthquake, it's great for our business!