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Foundation Repair in NE, IA, and MO, including Omaha, Lincoln & Sioux City.
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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

Basement Repair Services & Products
WaterGuard Interior System
DryTrak Drainage Channel
TrenchDrain Drain Grate
IceGuard Discharge Line
FlexiSpan Wall Crack Repair
Polyurethane Crack Sealing
WellDuct Window Drainage
BrightWall Waterproof Panels
ThermalDry Wall Barrier
Basement to Beautiful Pre-Finishing Wall Insulation Panels
Drain Tile Installation
SuperSump Pump System
TripleSafe Pumping System
UltraSump Battery Back Up
SaniDry Dehumidifier

Crawl Space Repair Services & Products
CleanSpace Encapsulation Vapor Barriers and Liners
Turtle Access Hatch
EverLast Crawl Space Doors
SaniDry CSB Dehumidifier
SmartDrain Water Drainage
SilverGlo Wall Insulation
TerraBlock Floor Insulation
SmartSump Sump Pump
Crawl-O-Sphere Crawl Space Fan
WallCap Block Wall Sealer
SmartVent Flood Vents

Foundation Repair Services & Products
Push Pier Underpinning for Settlement, Foundation Leveling, Sinking Foundation Repair
Geo-Lock Wall Anchors
Geo-Lock Helical Anchors
PowerBrace Bowed Wall Repair
CarbonArmor Fiber Wall Repair
SmartJack Crawl Space Support
Slab Pier Repair
PolyLevel Concrete Lifting
EZ Post Deck Repair
ShotCrete Wall Restoration

Finishing / Remodeling
EverLast Wall Panels
Insulated Wall Panels
Premier and Linen Ceiling Tiles: No-Sag Warranty
Thermal Dry Floor Tiles
MillCreek Faux Wood Flooring
SunHouse Window Wells
EverLast Window Replacement
RockWell Egress Window

Company Awards
We have earned the service industry’s coveted Angie’s List Super Service Award, reflecting an exemplary year of service provided to... [Read more]
Thrasher Basement Systems is proud to be voted, first place for the Best basement Waterproofing and Repair company in the... [Read more]
Dave Thrasher of Foundation Supportworks was awarded 2013's 40 under 40 by the Midlands Business Journal. This award is given... [Read more]
More Awards

Thrasher Basement Systems serving Sioux City, IA

I am very thankful to have a company who does this type of work, it is their area of expertise....
Happy Customers Surrounding Sioux City, IA
Testimonials
Reviews
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Reviews From Sioux City
Testimonials From Sioux City
...I just want to say that between the booklet and the time Mike spent with me answering my concerns I received excellent service...
Testimonial by Roberto R. from Sioux City, IA
I selected Thrasher because of high humidity levels and mold in our basement. We also had water coming in through the walls and ground.
Testimonial by Kari W. from Sioux City, IA
I gave my information online at night and they called to set up my appointment right away the next morning! Great service! I was extremely satisfied with the...
Testimonial by Amber B. from Sioux City, IA

Responsible basement waterproofing, foundation repair, remodeling, radon mitigation, crawl space repair contractor serving Sioux City, Iowa 

We adhere to the highest industry standards and  strive to be the industry leader in the services we provide you.

Thrasher Basement Systems uses state-of-the-art products and technologies, which are designed to fix your home. We are the authorized Basement Systems and Foundation Supportworks dealer in Sioux City, IA.

Services we offer in Sioux City:

  • Radon gas testing and radon mitigation.
  • Wet and flooded basement waterproofing solutions.
  • Expert egress window installation.
  • Lifetime warranty on all perimeter waterproofing systems.
  • Foundation and structural repair solutions.
  • 25-year warranty against foundation product manufacturing defects.
  • Basement finishing and remodeling services.
  • Crawl space sealing
  • French drain or drain tile installation
  • 25-year warranty on crawl space encapsulation systems.

  • Financing Available
  • FREE written estimates and inspections, and quick installation
News & Events From Sioux City
Spring is finally here! The days are growing longer and the temperatures are getting warmer and as winter loosens its... [Read more]
Are you prepared for the change of season? Is your waterproofing system maintenance up to date? With spring right around... [Read more]
One of the main reasons for installing an egress window is to provide safety for your family. If an emergency... [Read more]
Serving the following Sioux City, IA zip codes
51101, 51102, 51103, 51104, 51105, 51106, 51108, 51109, 51111