Now Hiring!... Apply online or call today 1-800-827-0702

Click here to learn more.

Basement Waterproofing in NE, IA, and MO, including Sioux City, Council Bluffs & Omaha.
Contact Us For
A Free Quote!
Products & Services

Mold Services
Mold Remediation
Dust Mites Control
Mold Spores
Mold Removal and Cleanup
Dry Rot & Brown Rot

Radon Mitigation
Radon Testing
Radon Detection
Radon Abatement
Radon Mitigation System
Radon Fans

Basement Repair Services
Dehumidifier
Mold Remediation
Sealing
Seepage Solutions
Wall Repair
Drain Tile Installation
Dry Basement Systems
Exterior Waterproofing
Flooded Basement Repair
Foundation Waterproofing
French Drain Installation
Interior Waterproofing
Leaky Basement Repair
Sump Pump Drainage
Sump Pump Installation
Sump Pump Repair
Sump Pump Battery Backup
Wet Basement Solutions

Crawl Space Repair Services
Access Doors
Crawlspace Doors
Dehumidifier
Drainage
Encapsulation / Liner
Insulation
Moisture Barrier / Control
Mold Removal
Vapor Barrier

Foundation Repair Services
Crack Repair
Foundation Repair
Wall Cracks
Block Foundation Repair
Bowing Wall Repair
Cellular Concrete
Commercial Foundation Repair
Mudjacking
Concrete Crack Repair
Concrete Lifting
Piering Repair
Settlement Repair
Underpinning Repair
Wall Repair
Helical Piers
Home Foundation Leveling
Residential Foundation Repair
Sinking Foundation Repair
Slab Foundation Repair
Structural Repair

Finishing / Remodeling
Ceiling Tiles
Basement Flooring
Wall Panels
Egress Window Installation

Company Awards
Better Business Bureau Award of Distinction
Thrasher Basement Systems, Inc. was awarded with the Silver Award of Distinction from the Better Business Bureau on October 9,... [Read more]
40 Under 40 Award for 2011
Amanda Harrington was honored with a 40 Under 40 Award for 2011 by the Midlands Business Journal... [Read more]
2011 Finalist for the Corporate Citizenship Award
Thrasher Basement Systems was a 2011 Finalist for the Corporate Citizenship Award. This award recognizes an organization whose philosophy of... [Read more]
More Awards

Thrasher Basement Systems serving Spencer, IA 51301

For a FREE no-obligation basement waterproofing, foundation repair, basement finishing, radon mitigation, crawl space repair estimate in Spencer, IA, please fill out the form to the right and Thrasher Basement Systems will contact you shortly.
Selected Thrasher because of the annual State of Iowa promotion to measure radon....
Testimonial from William from Spencer, IA
Happy Customers Surrounding Spencer, IA
Testimonials
Work requests

Click the icons to see what our customers had to say.

Reviews From Spencer
  • full starfull starfull starfull starfull star
    By Roxy M.
    Spencer, IA
    Wednesday, Nov 21st, 2012
    "Thrasher came to install egress windows and basement wall..."
    View Details
See All Reviews
Testimonials From Spencer
We appreciate what your company does to make a healthier living environment.
Testimonial by Ken H. from Spencer, IA
Our crawlspace was just a dark place I didn't ever want to go into. They were very polite, professional, and helpful.
Testimonial by Sandy O. from Spencer, IA
Thrasher Basement Systems were recommended to me by my contractor who found the moisture problem in my basement when some flooring was removed. He had a family...
Testimonial by Roxy M. from Spencer, IA
See All Testimonials

Responsible basement waterproofing, foundation repair, basement finishing, radon mitigation, crawl space repair company serving Spencer, Iowa 51301

We not only adhere to the highest industry standards, we strive to be the industry leader in the home improvement related services we provide. We also use state-of-the-art products and technology which are designed to fix your home. We are the authorized Basement Systems dealer in Spencer, IA.

Services we offer in Spencer:

  • Radon Gas Testing.
  • Radon Mitigation.
  • Wet/flooded basement waterproofing solutions.
  • Lifetime warranty on all perimeter waterproofing systems.
  • Foundation and structural repair solutions.
  • 25-year warranty against manufacturing defects on foundation products.
  • Basement finishing and remodeling services.
  • Crawl space sealing with CleanSpace vapor barrier.
  • 25-year warranty on crawl space encapsulation systems.
  • Financing Available
  • FREE written estimates and inspections, and fast installation
News & Events From Spencer
Stop Radon from Hurting your Family. Get your Home Tested Today!
Radon is the second leading cause of lung cancer, second only to cigarette smoke. It is estimated to be responsible... [Read more]
January is National Radon Month
Omaha, NE – With radon being one of the leading causes of lung cancer today, it’s vital to bring attention... [Read more]
More News & Events