Water Leaking Into Basement After Heavy Rain? (Find & Fix It In 5 Steps)

Ever experienced that sinking feeling when you discover water leaking into your basement after a heavy downpour? It’s a common issue that can quickly turn into a headache if not addressed promptly. That’s why we’ve got you covered with this comprehensive guide on how to fix water leaks in your basement after heavy rain. Let’s dive in and get your basement dry and cozy again!

Inside this blog:

  • 5 easy steps for how to spot and fix a leaky basement
  • Tips and tricks under each of the 5 steps

Keep reading to learn more about how to handle water leaking into your basement after a heavy rain pour. 

1. Identify the Source of the Leak

The first step in fixing water leaks in your basement is to identify the source of the problem. Here’s how you can do it:

Inspect the Foundation


Look for cracks, gaps, or holes in the foundation walls and floor. These can provide entry points for water during heavy rain. Pay close attention to areas where the foundation meets the ground, as settling or shifting soil can create vulnerabilities over time. Additionally, use a flashlight to inspect hidden corners and crevices for any signs of water intrusion.

Check Window Wells

Examine the window wells around basement windows for signs of pooling water or inadequate drainage. Ensure that the wells are free of debris and that the drains are clear and functioning properly. Consider installing window well covers to help prevent water from entering the wells during heavy rainstorms while still allowing for ventilation and natural light.

Inspect Gutters and Downspouts

Clogged gutters and downspouts can cause water to overflow and seep into your basement. Make sure they are clear of debris and properly directing water away from your home. Consider installing gutter guards to prevent leaves and other debris from accumulating in the gutters, reducing the need for frequent cleaning.

Additionally, extend downspouts to ensure they discharge water at least 6 feet away from the foundation to minimize the risk of water infiltration into the basement.

2. Patch Up Foundation Cracks and Gaps

Once you’ve identified the source of the leak, it’s time to patch up any cracks and gaps in your basement foundation. Here’s how:

  • Use Hydraulic Cement: Hydraulic cement is a waterproof material that can effectively seal cracks and gaps in concrete. Apply it generously to the affected areas, making sure to press it firmly into the cracks for a secure seal.
  • Apply Waterproof Sealant: For smaller cracks and gaps, a waterproof sealant can do the trick. Choose a high-quality sealant specially formulated for below-grade surfaces, and follow the manufacturer’s instructions for application.
  • Consider Exterior Waterproofing: If the majority of the leaks seem to be coming from the outside, consider waterproofing the exterior of your foundation walls. This involves applying a waterproof membrane or coating to the outside of the foundation to prevent water intrusion.

3. Improve Drainage Around Your Home

One of the most effective ways to prevent water from leaking into your basement is to improve drainage around your home. Here’s how you can do it:

Extend Downspouts

Ensure that your downspouts extend at least 6 feet away from your home’s foundation. This helps direct water away from the house and prevents it from seeping into the basement.

Grade the Soil Away from the Foundation

The soil around your home should slope away from the foundation to encourage water runoff. Use a shovel or grading rake to adjust the soil as needed, ensuring that water flows away from your home during heavy rain.

Install French Drains


French drains are underground drainage systems designed to collect and redirect water away from your home’s foundation. Consider installing a French drain system around the perimeter of your home to help alleviate water pressure and prevent basement leaks.

4. Inspect and Maintain Your Sump Pump

If your home is equipped with a sump pump, it’s essential to inspect and maintain it regularly to ensure it’s functioning properly. Here’s what you should do:

Test the Pump

Pour water into the sump pit to test the pump’s operation. It should automatically turn on and pump the water out of the pit. If it doesn’t, check for any clogs or malfunctions and address them accordingly.

Clean the Pit

Remove any debris or sediment from the sump pit to prevent clogs and ensure proper drainage. You can use a shop vac or a bucket to remove the debris.

Check the Discharge Pipe

Inspect the discharge pipe to ensure it’s free of obstructions and directing water away from your home. You may need to adjust the pipe or install an extension if necessary.

5. Consider Interior Waterproofing Solutions

If water leaks persist despite your efforts to address external factors, you may need to consider interior waterproofing solutions. Here are some options to explore:

  • Install an Interior Drainage System: Interior drainage systems, such as a perimeter drain or a French drain installed inside the basement, can help collect and redirect water away from the foundation.
  • Apply Waterproofing Paint or Membrane: Waterproofing paint or membrane can be applied to the interior walls and floor of the basement to create a barrier against moisture and water intrusion.

🛠️ Seek Professional Help if Needed 🛠️

If you’re unable to fix the water leaks on your own or if the problem seems to be more extensive than anticipated, don’t hesitate to seek professional help. A qualified waterproofing contractor can assess the situation and recommend the best course of action to address the leaks and prevent future water damage.

Keep Your Basement Dry and Comfortable

Dealing with water leaks in your basement can be a frustrating experience, but with the right approach, you can effectively address the issue and keep your basement dry and comfortable. By identifying the source of the leak, patching up foundation cracks, improving drainage, maintaining your sump pump, considering interior waterproofing solutions, and seeking professional help when needed, you can tackle water leaks like a pro. Here’s to a dry and cozy basement all year round!

Reach out to our expert team at Allphase Restoration today for top-notch workmanship and dedicated customer service. We’ll ensure your home stays dry and in prime condition for years to come.

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