Trenchless Pipe Repair Boston. In an old, historic city such as Boston the infrastructure is aging and in need of trenchless pipe repair. To dig and replace the Boston infrastructure would be devastating to the rich history. Perma-Liner offers many different applications to suit the specific needs for trenchless pipe repair. If you have broken clay pipe, root intrusion, scaled cast iron, or even PVC pipe that was never properly glued at the joints – call Perma-Liner to renew your pipes life and have a permanent trenchless pipe repair solution. Bostonians, call us anytime or visit our corporate website to learn more!