Are you tired of dealing with a damp, musty basement? You’re not alone. Many homeowners face this common issue, especially if you live in an area with high water tables or frequent rain. So if you’ve experienced this, basement waterproofing might just be the solution you’re looking for. 

In this blog post, we’re going to dive deep into how basement waterproofing works, what it can do for your home, and what you can expect in terms of costs.

What’s inside this blog:

  • Common culprits of basement water leaks and flooding
  • Methods for waterproofing your basement
  • DIY vs Pro help with waterproofing

Read on to become an expert on keeping your home dry!

What Causes Basement Water Woes? 🌧️


Before we get into the nitty-gritty of waterproofing, let’s understand why basements can be so susceptible to water problems. There are several culprits at play:

  • Poor Drainage: If your home’s foundation lacks proper drainage, rainwater can accumulate around the basement walls and find its way inside.
  • Hydrostatic Pressure: Groundwater can exert immense pressure on your basement walls, causing cracks and allowing water infiltration.
  • Cracks and Gaps: Over time, concrete can develop cracks and gaps, providing an entry point for water.
  • Sump Pump Failures: If your sump pump malfunctions or isn’t installed correctly, it can’t effectively remove excess water from your basement.

How Does Basement Waterproofing Work? 💡

Below we’ll look at three ways to waterproof your basement: Interior Waterproofing, Exterior Waterproofing, and Crack Injection.

1. Interior Waterproofing

Interior basement waterproofing focuses on managing water that has already entered your basement. Here’s how it typically works:

  • French Drains: A trench with perforated pipes is installed along the interior perimeter of the basement to collect water and direct it to a sump pump.
  • Sump Pump: The sump pump then pumps the collected water away from your home, preventing further infiltration.
  • Interior Sealants: Special sealants and coatings can be applied to basement walls and floors to prevent moisture from seeping in.

Interior waterproofing is effective at managing existing water issues but doesn’t address the root cause of the problem.

2. Exterior Waterproofing

Exterior basement waterproofing is a more comprehensive approach, addressing the source of water intrusion. Here’s how it’s done:

  • Excavation: The soil around your foundation is excavated to expose the basement walls.
  • Repair and Sealing: Any cracks or imperfections in the walls are repaired, and a waterproof membrane is applied to keep water out.
  • Drainage Systems: A drainage system, like a French drain, is installed to redirect groundwater away from the foundation.

Exterior waterproofing provides long-term protection by preventing water from ever reaching your basement walls. However, it’s a more extensive and costly process.

3. Crack Injection

If your basement has minor cracks or leaks, crack injection might be a suitable option:

  • Epoxy Injection: Epoxy is injected into cracks, creating a watertight seal. This method is ideal for hairline cracks.
  • Polyurethane Injection: Polyurethane foam can expand to fill larger cracks, providing a durable waterproof seal.

Crack injection is a cost-effective way to address small-scale water intrusion problems quickly.

How Much Does Basement Waterproofing Cost? 💰

When it comes to basement waterproofing costs, you have a few options to consider. Interior waterproofing typically falls within the range of $2,000 to $6,000, making it the more budget-friendly choice. 

On the other hand, exterior waterproofing, while more expensive, offers comprehensive protection, with costs ranging from $5,000 to $15,000 or more. If you’re dealing with minor cracks, crack injection can be a cost-effective solution, with prices as low as $500 to $1,000 per crack.

Keep in mind that these are just rough estimates, and it’s essential to get a professional assessment and quotes from reputable contractors for a precise cost tailored to your situation.

Is Basement Waterproofing Worth It? 🤔

Now that we’ve discussed how basement waterproofing works and what it costs, you might be wondering if it’s worth the investment. Here are some compelling reasons why it can be:

  • Protect Your Investment: Your home is one of your most significant investments. Waterproofing helps preserve its structural integrity and resale value.
  • Healthier Living Environment: Damp basements can lead to mold growth and poor indoor air quality, which can be harmful to your health.
  • Expand Livable Space: A dry basement can be transformed into usable living space, such as a home office, gym, or recreation area.
  • Prevent Costly Repairs: Addressing water issues early can prevent expensive repairs down the road, such as foundation damage or structural issues.
  • Peace of Mind: Knowing that your basement is protected from water intrusion can provide peace of mind and reduce stress.

DIY vs. Professional Waterproofing 🛠️

While some minor waterproofing tasks can be tackled by ambitious DIYers, it’s usually best to leave the job to the professionals. 

Here’s why:

DIY Waterproofing:

  • Limited Scope: DIY solutions often address the symptoms rather than the root cause of the problem.
  • Risk of Errors: Improper installation can make the problem worse or result in wasted time and money.
  • Short-Term Fixes: DIY methods may offer temporary relief but not long-term protection.

Professional Waterproofing:


  • Expertise: Professionals have the knowledge and experience to assess the problem correctly and choose the most appropriate solution.
  • Guarantees: Many professional waterproofing companies offer warranties on their work, providing peace of mind.
  • Efficiency: Professionals can complete the job efficiently, minimizing disruption to your daily life.

A Dry and Healthy Basement Is Within Reach

Basement waterproofing is an investment in your home’s longevity, your health, and your peace of mind. Whether you opt for interior or exterior waterproofing or need crack repairs, it’s crucial to consult with experts to assess your specific situation.

Remember, while the cost of basement waterproofing might seem steep initially, it pales in comparison to the potential costs of ignoring water issues and dealing with extensive damage later. So, if you’re tired of dealing with a damp, musty basement, take action, and invest in waterproofing your basement today. Your home—and your family—will thank you for it!

Contact our plumbing pros at AJ Alberts to ask any questions or tell us your concerns about waterproofing your home. We’ll make sure your house stays dry all winter!