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How to Thaw Frozen Pipes Underground: Tips for Homeowners

how to thaw frozen pipes underground

If you're like most homeowners, you probably don't think about your pipes until there's a problem. And if you live in an area that gets cold in the winter, one potential problem is frozen pipes.

If your pipes freeze, they can burst and cause a lot of water damage to your home. But there are some things you can do to prevent your pipes from freezing in the first place and to thaw them if they do freeze.

So whether you're heading into winter or you're already experiencing below-freezing temperatures, read on for tips on how to thaw frozen pipes underground.

What Causes Pipes To Freeze?

One of the most frustrating things that can happen in the winter is dealing with frozen pipes. When water freezes, it expands, and this can cause pipes to crack or even burst.

So what causes pipes to freeze in the first place? There are a few different factors that can contribute.

  • A quick drop in temperature - A sudden drop in temperature can cause pipes to freeze before they have a chance to adjust.
  • Poor Insulation - If your pipes are not properly insulated, they are more likely to freeze.
  • Thermostats set too low - If you set your thermostat too low, it can cause the temperature around your pipes to drop, which can lead to freezing.

How to thaw frozen drain pipes underground?

frozen burst pipeAny property owner knows that frozen pipes are a huge pain. Not only do they make it difficult to get water to your taps, but they can also cause extensive damage if they burst.

If you suspect that your underground drain pipes are frozen, there are a few things you can do to thaw them out.

1. Increase the temperate in your home

The easiest way on how to defrost frozen pipes is by increasing the temperature in your home. Sometimes, all it takes is raising the thermostat a few degrees to prevent pipes from freezing.

In effect, this will cause the ice in your pipes to melt. Of course, this method will only work if the frozen section of pipe is not too big.

2. Use an infrared lamp

When the blockage is deeper in the pipe, you need other ways on how to melt the ice from the pipes. An infrared lamp is a good option as it will emit heat that can penetrate the frozen area and help melt the ice.

To use this method, simply aim the lamp at the frozen section of pipe for a few minutes.

3. Run hot water through the pipe

Another way to thaw a frozen pipe is by running hot water through it. The hot water will help melt the ice and get things flowing again.

To do this, simply turn on the tap and let the hot water run for a few minutes. You may need to do this several times before the pipe is completely clear.

4. Use a hair dryer or heat gun

If you don't have any hot water or an infrared lamp, you can try using a hairdryer or heat gun. Just be careful not to overheat the pipe as this could cause it to burst.

To use this method, simply aim the hairdryer or heat gun at the frozen section of the pipe and wait for the ice to melt.

5. Poor hot water top of the pipe from above ground

This method is similar to the one above, but it can be used if the frozen section of the pipe is underground.

To do this, simply boil a pot of water and pour it over the frozen section of the pipe. The hot water will help melt the ice and get things flowing again.

6. Use an electric heater

Lastly, you can try using an electric heater to thaw the frozen pipe. Position the heater so that it's pointing directly at the frozen pipe and turn it on to its lowest setting.

Allow the heat from the heater to thaw the frozen pipe.

This process can take a few hours, so be patient. Once the pipe has thawed, turn off the heater and allow the water to flow through the pipe to help clear any remaining ice.

How Cold Does it Have to be for Pipes to Freeze?

Pipes can freeze when the temperature outside drops below freezing, which is 32 Fahrenheit.

However, it doesn't have to be that cold for pipes to freeze. In fact, pipes can freeze when the temperature outside is as high as 20 Fahrenheit.

So if the temperature is going to be below freezing, it's important to take steps to prevent your pipes from freezing.

Do you need your underground pipe thawed? Check out our frozen pipe services

Will a Frozen Pipe Thaw on its Own?

This is a common question we get here at 24h Plumbing Pros, and unfortunately, the answer is usually no.

Unless you take proactive measures to defrost your frozen pipes, they will likely remain frozen until the temperatures rise enough to do so on their own - and that could be too late to prevent significant damage to your home.

How to Protect Your Underground Pipes from Freezing?

As temperatures drop, it's important to take measures to protect your home from freezing pipes.

This is especially true for any pipes that run underground, as they are more susceptible to the cold weather.

Here are a few tips on how to prevent below-ground pipes:

1. Insulate using the proper insulation

In order to protect your pipes from freezing, you should use the proper insulation. Pipe sleeves and foam wrap are both effective options.

You should also make sure that any exposed pipes are properly sealed and that there are no gaps or holes in your insulation.

2. Water proof the insulation

Steps must be taken to an insulated water line, much like with almost any subterranean installation. The insulation must first be waterproofed.

If the insulation is not protected, the elements or ground water will dissolve it. Then it wouldn't be of any use.

Plastic is carefully wrapped around the insulation to achieve this level of protection.

3. Steel plate shallow water lines

In New York, a 1/4" steel plate must be placed over the water line in the roadway if the water lines are less than 36" deep. This serves 2 different purposes.

The first thing to consider is that the coating absorbs vibrations from vehicle traffic, allowing them to be dispersed throughout the water line and preventing long-term damage.

Vibration can cause fittings to come loose or do other harm over time

4. Keep The Heating On Low

One of the best ways to prevent your pipes from freezing is to keep your heating on, even if you're not home.

By keeping your home's temperature at a consistent level, you can help reduce the chances of your pipes freezing.

5. Switch Off The Stop Tap

When you leave work at the end of the day, make sure to switch off the stop tap and empty out any water that's left in the pipes.

When the final obstruction has been cleared, shut off the valve and reattach the meter. Open the valve again after this is done.

There will be nothing to freeze if there is no water in your piping. It may seem laborious to clear out your taps at the end of each day, but it will prevent issues from developing and without requiring any money.

How to thaw Frozen Pipes in a Wall?

If the frozen pipes are located in a wall, defrosting them can be a little more tricky. Here are the steps you'll need to take:

  • Locate the frozen section of the pipe
  • Open the faucet associated with the frozen pipe
  • Target a heat source where ice has dammed the water flow
  • Keep water moving until temperatures rise

The Best Way to Thaw Your Frozen Drains Underground without Damaging Your Home

When your pipes freeze, it can be a major headache. But there are some simple steps you can take to prevent your pipes from freezing in the first place.

And if they do freeze, there are also some effective ways to defrost them without damaging your home.

By following these tips, you can help keep your home and plumbing safe all winter long.

  1. Firstly, make sure you insulate your pipes properly. This is especially important for any pipes that run underground, as they are more susceptible to the cold weather.
  2. You should also keep your heating on, even if you're not home. By keeping your home's temperature at a consistent level, you can help reduce the chances of your pipes freezing.
  3. And if your pipes do freeze, the best way to defrost them is by using a hair dryer. Simply direct the heat from the hair dryer onto the frozen section of the pipe until the ice has melted.

By following these simple tips, you can help prevent your pipes from freezing this winter. And if they do freeze, you now know how to defrost them without damaging your home.

How to Unfreeze Water Pipes?

Although most people enjoy the winter season, the colder weather can cause some serious problems, such as frozen water pipes.

When water freezes, it expands, exerting immense pressure on the pipes that contain it.

This can lead to cracks, leaks, and even burst pipes. If you suspect that your pipes might be frozen, it's important to act quickly to prevent further damage.

  • The first step is to turn off the water supply. This will help to prevent additional damage from leaks or bursts.
  • Next, use a space heater, heat lamp, or hair dryer to thaw the ice. Start by pointing the hairdryer at the section of the pipe closest to the faucet and working your way towards the end of the pipe.
  • Once the ice has melted, turn on the water supply and check for leaks.
  • If there are any cracks or leaks, you'll need to call a plumber to have them repaired.

With a little bit of vigilance, you can avoid frozen pipes and the serious problems they can cause.

Frequently Asked Questions

How long does it take underground pipes to thaw?

The amount of time it takes for underground pipes to defrost will depend on how thick the pipes are and how cold the temperatures are.

In most cases, it will take a few hours for the pipes to defrost completely.

What temperature do underground pipes thaw?

The temperature at which underground pipes will defrost will depend on how thick the pipes are. In most cases, the pipes will thaw when the temperature outside rises above freezing.

What is the quickest way to thaw frozen pipes?

The quickest way to defrost frozen pipes is by using a hair dryer. Simply point the hairdryer at the frozen section of the pipe and wait for the ice to melt.

You can also use a space heater or heat lamp to defrost the pipes.

Conclusion

In conclusion, thawing frozen pipes underground can be a tricky process. However, by following the tips above, you should be able to safely and effectively defrost your frozen pipes.

If you have any questions or concerns, be sure to contact a professional plumber for assistance. Thanks for reading and we hope this was helpful!

About The Author:

Scott Reyes, our proficient Managing Editor and a true plumbing aficionado with over 10 years of dedicated expertise. With an in-depth understanding of the plumbing industry, Scott is your go-to source for all things plumbing-related. His wealth of experience ensures that our content is not only informative but also a reliable resource for your plumbing needs. Dive into Scott's articles to tap into his extensive knowledge and insights.
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