Can you educate me about clay sewer pipe?

clay pipe be here for a long time. the cray title you have are 3 feet long and they last a long time . but when the tree root get between the title they broke up , and you have a trouble line. if i was you i would fix it with pvc pipe for sewer then you wouldn,t have trouble agian with it . your town can make you fix it if it coming out of yuor yard for .