How to Find and fix leaking pipes Under a Slab Foundation. It’s no secret that pipes, water and sewer lines eventually begin to erode and leak. This happens with normal wear and tear and is inevitable in most homes. Many people assume that repairing a leaky pipe beneath a slab is a difficult task. However, it’s not as hard as you might think.This drew his attention to a small leak in a large water pipe running along the passageway. At that very moment the pipe burst and a torrent of water poured out. Ken was then rushing around trying to deal with the burst pipe, but fire also started elsewhere in the house.However, don’t forget that leaks in the wall can originate from rooms above, so signs of a leaking pipe don’t have to be contained to the area where the pipe is located. If these signs appear in a ceiling, check out our post about finding the source of a ceiling leak .How To Fix Pipes. by Fix-It Club. How To Fix Sweating Pipes. Prev NEXT . Sometimes there’s so much water dripping from a pipe that you’re sure there must be a leak somewhere. On closer examination, however, you may discover there is no leak but rather sweating, or condensation, on the pipe..This can be anywhere from the pump (including the housing) to the skimmer, all PVC connections, joints, and valves are suspect. It can not be located after the pump, in this case you will be leaking water out not sucking air in. In rare cases a suction leak can be the cause of an underground suction pipe that has been punctured, or cracked.This kitchen-sink spot, running in national markets, sums up Steyer’s total agenda: citizen referendums and term limits to.Stop the Leak. Shut off the water valve to the pipe. Turn on the faucets to drain the water that is left in the pipes. Wipe the pipe dry with a towel or cloth. Allow it to air dry completely before continuing. Use a putty knife to put some epoxy on the leaking area. cover the leak with rubber.