Repair Pipe Under Sidewalk Repairing a leak under sidewalk, concrete, driveway or a patios require a professional waterlines contractor that deals with underground sewer and water pipes rather than an ordinary NJ plumber that typically deals with the pipes inside your home. Repair Pipe Under Concrete Underground plumbing pipes can crack, break, or burst for many reasons, from pipe corrosion, poor installation, poor pipe quality, friction from debris or ordinary wear and
