Temporary Pipe Repairs Until the Plumber Comes
A pipe has sprung a leak, water is spraying across your basement, and the plumber is an hour away. A good temporary pipe repair can slow or stop the leak, limit water damage, and buy you time until professional help arrives. You do not need to be a plumber to do this — most temporary fixes use simple supplies you can find at any hardware store, and some use things you already have at home. The key is to act fast, shut off the water first, and choose the right method for the type of leak you have.
First: Shut Off the Water
Before you try any temporary pipe repair, shut off the water. This is the single most important step, and skipping it makes every other step harder. For a leak at a single fixture, use the shut-off valve behind or beneath it — under a sink, behind a toilet, or near a washing machine. For a burst pipe or a leak in a main line, shut off the main water supply to the house. The main shut-off is usually near the water meter, in a basement, garage, or utility closet. Turn it clockwise to close it.
Once the water is off, open the faucets on the lowest level of your home to drain the remaining water from the pipes. This lowers the pressure in the line and stops water from continuing to drip through the leak while you work. It also makes it much easier for patch materials like epoxy putty to stick, since they bond best to a dry surface. If the leak is in a drain pipe rather than a supply pipe, the water is only flowing when a fixture is used, so simply stop using the fixtures connected to that drain.
If you cannot find the main shut-off or it will not turn, call your water utility's emergency line. They can shut off the water at the street meter. Do not wait — every minute of running water adds to the damage. For a refresher on what counts as a true emergency, see what qualifies as a plumbing emergency.
What You Need for a Temporary Pipe Repair
A basic emergency plumbing kit costs less than $50 and can save you thousands in water damage. Keep these supplies in a clearly labeled box near your main water shut-off so you can find them fast when you need them.
The essentials are: a pipe repair clamp sized for your pipe, a tube of epoxy putty, a roll of self-fusing silicone tape, a few hose clamps in different sizes, a piece of rubber (an old bicycle inner tube or a rubber sheet works), a screwdriver, a utility knife, sandpaper or a rag, and a bucket and towels. Add a flashlight, because leaks love to happen in dark basements at night.
If you do not have a kit ready and a pipe is leaking right now, improvise with what you have: a rubber glove, a piece of garden hose, duct tape, a towel, and a hose clamp from a garden hose can all work in a pinch. The goal is not a pretty repair — it is to stop the water until the plumber arrives. Buy a proper kit after the emergency is over so you are ready next time.
Method 1: Rubber Patch and Hose Clamp
The rubber patch and hose clamp method is the most reliable temporary pipe repair for a small hole or crack in a supply pipe, and it works on copper, PEX, PVC, and ABS pipe. It is also the method most plumbers recommend for homeowners because it holds pressure well.
Start by cutting a piece of rubber slightly larger than the hole — about 2 to 3 inches long and wide enough to wrap around the pipe. An old bicycle inner tube is ideal, but a piece of rubber sheet, a heavy rubber glove, or even a section of garden hose slit lengthwise will work. Dry the pipe around the leak as much as you can with a rag. Place the rubber patch directly over the hole, then wrap it tightly around the pipe. Secure it with one or two hose clamps, positioning a clamp directly over the hole and tightening it firmly with a screwdriver. If the leak is on a larger pipe, use two clamps on either side of the hole for extra holding power.
Once the clamp is tight, turn the water back on slowly and check for drips. If water is still seeping out, tighten the clamp a little more or add a second layer of rubber. This repair can hold for days if done well, but it is still temporary — the rubber will degrade and the clamp can loosen over time. Schedule a permanent repair as soon as possible.
Method 2: Epoxy Putty
Epoxy putty is a moldable, two-part compound that hardens into a rock-solid patch. It is one of the best temporary fixes for small cracks and pinhole leaks, and it works on copper, PVC, ABS, cast iron, and galvanized pipe. Most hardware stores sell it for $5 to $10 a tube, and it has a long shelf life, so it is worth keeping in your emergency kit.
To use it, shut off the water and dry the pipe. Cut off a piece of putty and knead it in your hands until the color is uniform — this mixes the two parts and starts the curing process. Press the putty firmly over the hole or crack, smoothing the edges so it bonds to the pipe on all sides. Make the patch at least a quarter inch thick and extend it an inch beyond the leak in every direction. Most epoxy putties set in 5 to 10 minutes and fully cure in about an hour, but check the package for exact times.
Epoxy putty works best on small leaks. It is not a good choice for a large split or a burst pipe, where water pressure will push the patch off before it cures. It also struggles on wet surfaces, so dry the pipe as much as possible first. For a leaking joint or fitting, epoxy can seal the gap temporarily, but a joint leak often means a failed seal that needs to be replaced properly.
Method 3: Pipe Repair Clamp
A pipe repair clamp is a purpose-built metal sleeve with a rubber gasket that wraps around a damaged section of pipe and bolts closed. It is the strongest temporary repair a homeowner can apply, and it can hold full water pressure. Repair clamps cost $10 to $25 at a hardware store and come in sizes for common pipe diameters — 1/2 inch, 3/4 inch, and 1 inch are the most common in homes.
To install one, shut off the water and dry the pipe. Open the clamp and place the rubber gasket directly over the leak. Wrap the metal sleeve around the pipe and tighten the bolts evenly, alternating sides so the pressure is uniform. Do not overtighten — you can crack a PVC or ABS pipe by cranking the bolts too hard. Turn the water back on slowly and check for leaks around the edges of the gasket.
Repair clamps are the closest thing to a semi-permanent fix. Some plumbers say a well-installed clamp can last months, but do not treat it as permanent. The gasket can dry out and the pipe underneath is still damaged. Use the time a clamp buys you to get a proper repair scheduled, not to forget about the problem.
Temporary Fixes for Burst Pipes
A burst pipe is a bigger problem than a pinhole leak, and temporary repairs are harder. If the pipe has split along several inches, a rubber patch may not cover the damage. Your first priority is still to shut off the main water supply and drain the lines. That alone stops the flooding and limits the damage.
If the split is short, a pipe repair clamp that is long enough to cover the whole split can work. Some clamps are made specifically for longer repairs and come in 3-inch and 6-inch lengths. For a longer split, you can try wrapping the damaged section tightly with self-fusing silicone tape, overlapping each layer by half, then reinforcing it with hose clamps at both ends. This is a last-resort fix — it may slow the leak enough to keep the water on at low pressure, but it is not reliable for a full-pressure supply line.
In many burst pipe cases, the best temporary repair is to turn the water off and leave it off until the plumber arrives. That is inconvenient, but it is far better than a patch that fails at 3 a.m. and floods the house again. If you need water for toilets, fill buckets and bathtubs before shutting off the main, and keep bottled water on hand.
Method 4: Self-Fusing Silicone Tape
Self-fusing silicone tape is a stretchy tape that bonds to itself when stretched and wrapped, forming a waterproof seal. It is easy to use, works on wet surfaces, and is a good option for a small leak in a hard-to-reach spot where a clamp will not fit. A roll costs about $5 to $10.
To use it, stretch the tape to about twice its length as you wrap it tightly around the pipe, overlapping each layer by about half the tape's width. Wrap at least 2 inches beyond the leak on both sides, and build up 4 to 6 layers. The tape fuses to itself within minutes and forms a solid rubber sleeve around the pipe. It works best on low-pressure leaks and small cracks. On a high-pressure supply line, it is a short-term fix — hours, not days — and it should be reinforced with a hose clamp if possible.
How Long Will a Temporary Repair Last?
It depends on the method, the pipe material, and the water pressure. A rubber patch with hose clamps can last days to weeks. Epoxy putty can hold for weeks to months on a small, low-pressure leak. A pipe repair clamp can last months if installed well. Self-fusing silicone tape typically lasts hours to days on a supply line, longer on a drain line.
None of these are permanent. The pipe underneath is still damaged, and the patch is only covering the symptom. Corrosion, freeze damage, and age do not stop because you patched the hole. The longer a temporary repair stays in place, the higher the chance it fails at an inconvenient moment. Aim to have a plumber complete a permanent repair within a few days at most.
A permanent repair usually means cutting out the damaged section of pipe and replacing it with a new piece, joined with the correct fittings for the pipe material. For copper, that means soldering or a push-fit fitting. For PVC or ABS, it means a solvent-welded coupling. For PEX, it means a crimp or clamp fitting. Your plumber will know which is right for your system. Learn more about what a professional repair involves in our guide to emergency plumbing repairs, and see typical pricing in our emergency plumber cost guide.
For more emergency plumbing help, visit our emergency plumbing hub — including how to spot a dishonest plumber and how to build a plumbing emergency preparedness plan.
If water is actively damaging your home right now, call a licensed emergency plumber at (877) 762-1902.