Relining Boston. Let’s face it, Boston’s sewer lines are old, deteriorated and in much need of relining. No matter what the material of the pipe, chances are they need relining to be in good condition once again. Perma-Liner is a manufacturer of pipe relining materials for the underground infrastructure in and around Boston. If your Boston home needs to be relined, call us! If your Boston business needs to be relined, call us! If the main lines in the street need to be relined, call us!