After you have discovered a pinhole leak within your copper pipe, and it is over the slab it is far from that hard to fix.
Isolate the problem, and change the water off to the home, possibly in the valve where it comes in or with the normal water meter with the streets.When you transform it off in the residence then available the hose bib that is certainly usually situated just above the water turn off. This may relieve any pressure from your inner water lines, and also the drip should cease dripping.
The next action you need is to buy the various components to avoid the drip. If it is a pinhole problem you only need a tiny piece of soft rubber, and a tubing clamp. Look for a clamp which is near the measurements of the tubing. You can usually get these in the neighborhood hardware or auto parts retailer. Be sure the rubber is smooth so it will near the drip if you tighten the clamp.
Do NOT over tighten up the clamp or perhaps you may grind the pipe and also a even bigger problem. Believe me I have done this. Set the silicone over the hole and protect the clamp. Once you consider you might have it restricted enough transform the liquid back on and look the problem. If this has halted dripping then you certainly are completed so you have become a plumbing service. If not slowly firm up the clamp up until the drip stops. Bear in mind do NOT over firm up the clamp. In such a case a little bit is better than a lot of. With a little luck this could be the final problem you will possess, but chances are it will not be. If you are living in Florida where I stay I could almost guarantee you you will have much more. However you probably know how to repair above the slab pinhole leakages.