Trenchless Pipe Repair D.C.. If you live in the Washington D.C. area you may have heard about trenchless pipe repair. Trenchless pipe repair is the solution to broken pipes, offset joints, and missing sections of pipe. A seemless, jointless liner is inverted inside the old, deteriorated pipe and air pressure is maintained for a three hour cure. If you live in Washington D.C. and would like to learn more about trenchless pipe repair please call us at anytime.