How to repair a leak by plugging?


A leak can happen very quickly. A bad gesture while tinkering, the wear of the pipes, a problem of pressure, a faulty workmanship… the reasons for such an incident are numerous. If it is essential to have the leak repaired by a professional as soon as possible, it is desirable to know how to fill the leak by plugging to deal with the most urgent. This temporary technique has the advantage of allowing you to limit the damage and give you time to organize yourself to plan your final repair. Before a plumber can change the fitting or the joint or even weld your pierced piping, here are the first emergency measures to apply to your pipe.

How to equip yourself to repair a leak by plugging?

If a leak occurs, it is important to have something to act on immediately. If your first instinct should be to shut off the water supply, you cannot stay in this situation for long without any other solution. So here is what you need to repair the plugging leak:

  • The sealing element (epoxy putty, flexible tape, repair paste, etc.)
  • Wire brush
  • Protective gloves

How to repair a leak by plugging? Steps to follow

If repairing a leak by plugging is relatively simple, including for a beginner handyman, it is still necessary to take the right steps. Here are the steps you will need to follow to achieve this smoothly and effectively.

Step 1: turn off the water

Before any intervention, in the event of a leak, your first instinct should be to shut off the water supply. It is the kind of element that we rarely think about, but it is nevertheless important to know how to locate it in order to act as quickly as possible in the event of an incident.

By shutting off the water supply, you will prevent flooding, whether visible or invisible, and greatly limit the damage. In addition, you will not be able to intervene if you do not perform this operation first.

Once the water supply has been cut off, open the taps to drain the entire circuit and eliminate any remaining water.

Step 2: dry the area

To plug the leak, you must first dry the damaged area well. Without this step, the sealing product will not be able to adhere.

To facilitate product adhesion and make it effective, scrub the area well with a wire brush.

Step 3: we make the sealant

Before applying your filler, it may be necessary to prepare it. If you opted for putty, put on gloves and cut a piece of each stick in equal parts. Mix the two pieces well to form a uniform paste by kneading them between your fingers.

Step 4: plug the hole

With the paste, form a bead that you will apply around the entire perimeter of the pipe, at the level of the leak. Do not hesitate to make it overflow on the sides of the hole to avoid any further overflow. Crush the paste against the pipe.

Then wet your fingers and smooth the surface of the sealant. Finally, let dry for the time indicated on the manufacturer’s instructions, generally 1 to 2 hours.

If you opted for masking tape, wrap around the affected area well with several layers of adhesive, making sure they overlap each other.

You can then turn on the water and contact a plumber to have the pipe repaired.

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