.Whatever copper pipe needs fixing, makes sure that it is devoid of any running water when you are going to fix it up. In fact it is better to fix it as soon as possible before the leak grows and starts causing irreparable damage to your house. Use a soft toothbrush or paintbrush afterwards to clean up the wool residues. Turn off the water supply from wherever it enters the leaky pipe so that no water is able to flow into the pipe anymore.
Copper pipes are Brass water pipe especially used in houses and other buildings to do all the plumbing and piping jobs because copper pipes are the strongest, durable and long lasting. When it has cooled off, run the tap Brass water pipe to check any drips.Clean your pipe thoroughly now. If there are none, your copper piping has been fixed. Check the piping thoroughly and possible traces of fungi or green moldy stuff sticking around the pipe or soldering will indicate a leak. Heat the insides of the female part of the joint or the pipe with the torch until it gets hot enough.
You will now work with a propane torch, so be careful and handle it with extreme care. Open up all the taps and faucets that are linked to that pipe to get rid of all the water that was already present there inside the pipe and in the end place a bucket or some sort of container to collect all the dripping and leaking water