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Top-Rated Basement waterproofing pros in Appleton - Updated Nov 2026

Avatar for Groundworks
Groundworks
4.2(
924
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Appleton, MN and surrounding areas

Approved (Corporate)

In business since 1999

Free estimates

Small jobs welcome

Groundworks is the North America's leading and fastest-growing foundation repair and water management solutions provider. Groundworks is a vertically integrated company with its own manufacturing operations and a world-class software solution, allowing us to serve our customers more effectively. From the first phone call to the annual maintenance offered, our customers have peace of mind knowing we're there with one mission to repair, protect and improve their home. For state licenses visit Groundworks.com/licensing

Basement
Basement
Basement
Concrete
Concrete

+9

18 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Betterliving Sunrooms By Portico
Betterliving Sunrooms By Portico
3.7(
41
)
Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Appleton, MN and surrounding areas

In business since 2009

Credit card accepted

"

Clint arrived on time for our sales call. He was prepared with information and samples and provided guidance when needed.  We wanted to think about the purchase, since it was an expensive shade option - he did try really hard to get us to make a decision before he left.  I wasn't crazy about that - it felt pushy.  Clint was very upfront about the cost being more than most awning companies, but he did all the measuring and the product is a quality product.  We liked the product and the Angie's List discount that was offered, so we called him back within a couple of weeks and made the purchase. 

The installers arrived on time and were very careful to remove all the deck furniture before starting work. They cleaned up after themselves and put the furniture back when finished.

Our awning is quite large - 30 feet long.  It does a great job of shading our deck and looks very nice.  It's motorized; the wind sensor is great since it almost takes care of itself. We would definitely get an awning again and would recommend this company


"
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+3

Recommended by69%of homeowners
Basement Waterproofing FAQs, answered by experts

Yes, engineers assess soil load-bearing capacity and provide construction guidelines.

Standard homeowners insurance policies may cover basement water damage or flooding, but only if it is caused by a sudden and accidental event that is a covered peril, such as a burst pipe or a failing appliance. Damage caused by natural flooding from extreme weather, groundwater seepage, or heavy rain is typically excluded and requires a separate flood insurance policy. Some insurers also offer an optional water backup endorsement for issues like sewer backups. Review your policy or speak with your agent to understand your specific coverage.

You should plan on waiting at least a year and ideally two to three years after construction before finishing your basement. This will give the foundation time to settle in response to the weight of your home and the expansion of the surrounding soil. You can then repair your foundation and seal any cracks as needed before finishing it to reduce your risk of future leaks or other issues.

Many prevention methods can be used individually or in combination to waterproof your basement. Some of the most common waterproofing methods include:

  • Using dehumidifiers 

  • Silicate concrete sealers

  • Vapor barriers 

  • Baseboard channels 

  • Drain tile systems

  • Waterproofing paint

  • Drainage systems

  • Epoxy injection

  • Interior French drains

  • Exterior excavation and waterproofing

  • Cement waterproofing

  • Weep tiles

  • Liquid membrane

  • Sheet membrane 

  • Yard grading

  • Gutters and downspouts

Installing a bathroom in a basement isn’t a project for most homeowners. Many parts—plumbing, electricity, and carpentry—go into this project, each requiring expert-level knowledge and tools. One miscalculation can lead to very expensive repairs. Plus, some homeowner’s insurance might not pay for damages caused by a homeowner DIYing this project. You can protect yourself by allowing the pros to complete this job for you. 

The Appleton, MN homeowners’ guide to basement waterproofing services

From average costs to expert advice, get all the answers you need to get your job done.