Exterior Basement Waterproofing in Northeast Wisconsin

Benefits of an Exterior Basement Waterproofing System

Interior waterproofing is great for managing water flow once it enters your home, but exterior waterproofing systems tackle the problem at the source before it ever reaches your basement. At ABT Foundation Solutions, we offer effective exterior basement waterproofing in Appleton, WI, that will protect your home. Wisconsin homeowners are all too familiar with heavy rains and snowmelts – mix that with clay-rich soil, and it can create a lot of problems for your home’s foundation. Our approach is built on over 20 years of experience and focuses on identifying the source of the issue.

Whether you’re dealing with pooling water, a flooded yard, or cracks in your foundation, we’ll show you how our professional exterior basement waterproofing system is the right choice for your home.

Common Signs You Might Need Exterior Basement Waterproofing

Most homeowners don’t realize they need waterproofing services at all until they find water in their basement, but there are signs of potential issues that we can resolve before it ever gets that far. Even if you don’t notice a mildew smell or see any water in your basement, but you do notice any of these signs below, you may need exterior basement waterproofing services.

Cracks in your foundation wall: one of the most obvious signs that water can get into your basement is finding cracks in the foundation. Even if the cracks are small and don’t seem like a big deal, they can still let water through to your basement and become a bigger problem over time.

Water pooling near your home: when you walk along the side of your home, do you see any pools of water around the foundation? This is a sign that your home’s drainage system may not be handling runoff properly, possibly because of a short or clogged downspout. This water can seep into the soil, causing it to expand. This results in hydrostatic pressure, or the force water exerts when it builds up under your foundation, which can lead to cracks.

Clogged or overflowing window wells: if you have a window well and you’re noticing that it’s consistently filled with water, it’s a clear sign that there’s a drainage problem and that buildup can lead to serious issues.

Yard Flooding: have you ever walked in your yard and stepped on “squishy” grass, or have you found standing water? Maybe your yard slopes toward your house? These are red flags that your foundation could be at risk. If this describes your yard, you could have serious drainage and grading problems that need to be addressed as soon as possible to protect your home from potential water damage.

How ABT’s Exterior Basement Waterproofing Works

When we work on exterior basement waterproofing projects, our focus is on preventing water from ever reaching your basement. We start by installing drain tile next to the footing, along the outside of your foundation. Some contractors install the drain tile on top of the footing because it’s easier and cheaper. The issue with this method is that it’s fine for surface water, but it doesn’t help redirect true groundwater; it’s only solving part of the problem. Our method allows the tile to catch water at the lowest possible point, reduces hydrostatic pressure, and prevents seepage at the floor and wall joint.

Next, we apply a dampproofing tar material on the outside of the foundation walls, creating an effective protective barrier that keeps the moisture out. Then we install Platon wallboard for an added layer of protection. To finish off, we backfill to grade with stone or install a clay cap, depending on what works best for your property. We recommend covering it with a plastic or rubber membrane, then laying decorative wood or stone over it for a more polished finish.

Downspouts

During our inspection, one of the things that we’ll look at is your downspouts. Many Wisconsin homeowners don’t realize that part of the issue could be that their downspouts aren’t properly measured or directed to flow water away from the foundation. Our team will check to see if you need to install downspout extensions.

Grading

If your yard floods every time it rains or every spring after a big snowmelt, we can help you with regrading solutions. Regrading simply means reshaping the soil around your home so that it slopes the right way and directs water away from your home.

Why Homeowners in Appleton & Surrounding Areas Choose ABT Foundation Solutions

If you’re dealing with any type of basement or foundation issue, you want a seasoned, reliable team to help fix the problem right away. ABT Foundation Solutions has worked with Appleton homeowners since 2002, completing thousands of jobs across Wisconsin and earning the community’s trust.

Here’s what sets us apart:

Local Experience: Our whole crew, from office staff to installers, has decades of combined experience in this field and will deliver the best, long-lasting results.

Top-Quality Workmanship & Products: We maintain accountability and quality of work by never hiring subcontractors and using the best-in-class materials on all of our projects.

Friendly Service: We prioritize our customers over everything else. We provide stress-free inspections, honest estimates, and clear timelines so you always know what to expect.

Strong Warranty Protection: All of our repairs and waterproofing systems come with transferable warranties that homeowners love and appreciate.

What Our Customers Are Saying

"Very satisfied with our experience, had a basement water control system installed in February. Best investment ever. Great experience from the salesman, guys who came to do the work and the quality of the job. It works flawlessly. I would highly recommend them!"

– Joan K.

"We had work done by ABT a few years ago and everything went as planned and no issues since, so when it came time to get our basement waterproofed ABT and Mickey were the obvious choice, again. Our experience was even better then the first time. Mickey is great, and knows what he’s doing. The communication from the office, to the crews, from Mickey, and then to us was 5 stars OUTSTANDING and April was extremely helpful and always cheerful. When the job was finished, they all cleaned up and can barely tell they were here! We will 100% use ABT again and again."

– Kimberly H.

"We had a problem with water in our basement. We are so happy that we chose ABT to remedy the problem. The workers were wonderful and did an outstanding job. They cleaned up after themselves and worked so hard! Thank you, ABT!"

– Karen K.

Don’t Wait Until There’s a Problem - Schedule
Your Free Waterproofing Inspection Today

You may not see any water or moisture in your basement, but if you’re noticing puddles around your foundation or constant yard flooding, it could indicate a bigger issue is imminent. Exterior basement waterproofing in Appleton is the best way to protect your home and your wallet. One of our experienced contractors will come to your Appleton home, assess your foundation, and explain which solutions are best for you.

FAQs About Basement Waterproofing

What’s the difference between interior and exterior basement waterproofing?

Interior basement waterproofing manages the flow of water after it enters your basement, while exterior basement waterproofing stops water before it ever reaches the foundation. Exterior protects the structure from the outside; interior protects you once water gets in.

If I have interior or exterior basement waterproofing, why do I need the other?

Each type of waterproofing solves only part of the problem. Together, they protect your home on all sides. Wisconsin weather can change drastically from year to year — light snowmelt one year and heavy rainfall the next. During extreme wet seasons, exterior systems can sometimes be overwhelmed, but an interior system acts as a reliable backup to keep your basement dry.

What causes cracks in foundation walls?

Foundation cracks are often caused by shifting soil, freeze-thaw cycles, hydrostatic pressure from water buildup, or a settling foundation. Even small cracks can worsen over time, so it’s important to address them early before they lead to more serious structural issues.

How much does exterior basement waterproofing cost?

Exterior basement waterproofing costs vary based on the size of your home and the complexity of the project. ABT Foundation Solutions provides free inspections and detailed estimates so you know exactly what to expect before any work begins.

Will exterior waterproofing fix existing basement leaks?

Yes — exterior waterproofing will stop additional water from entering through the foundation walls or base of the wall. However, if there is existing structural damage or severe cracking, foundation repairs may still be needed to fully resolve the issue.

Will exterior basement waterproofing tear up my yard?

Exterior waterproofing does require excavation around the foundation to install drain tiles. ABT backfills the area with stone or clay, taking great care to respect your property. We always leave your yard as clean and restored as possible once the project is complete.