Trenchless Pipe Repair New York. We’ve received many calls from New Yorkers asking how to get into “trenchless pipe repair”. Trenchless pipe repair is the alternative to digging and replacing underground New York sewer and drain pipes. If you live in New York and would like to see a live trenchless pipe repair demonstration, Perma-Liner will be at the Pumper-Cleaner Expo at the end of the month. New Yorkers interested in trenchless pipe repair… call Perma-Liner!