About TerraFirma Foundation Systems in Renton, Washington
Contact Us For
A Free Estimate!
Products & Services
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
Turtl 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

TerraFirma Foundation Systems serving Renton, WA

Happy Customers Surrounding Renton, WA
Work Requests

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

Are you looking for help with basement waterproofing or crawl space encapsulation in Renton? TerraFirma Foundation Systems is one of Washington’s largest and most trusted home repair companies. We specialize in repairing wet basements and damp crawl spaces. You can trust that you’re getting the best solution for your home, no matter what the problem.

Learn about the services we provide in Renton and the surrounding area, or call us today to schedule your free inspection and estimate!

Basement Waterproofing Solutions for Your Renton, WA Home

If you have a damp, leaky basement or issues with basement flooding, TerraFirma Foundation Systems is your expert for a proven, cost-effective basement waterproofing solution. No matter what’s causing your wet basement problem, we can fix it! We’ll inspect your home inside and out and design and install a waterproofing system to meet your needs.

Having a wet or leaky basement is not only an inconvenience, but the moisture, dampness and mold caused by the water can lead to health problems and added repair expenses. That’s why we offer a full range of basement repairs and waterproofing solutions designed to tackle the problem:

  • Sump pump installation, repair & replacement
  • Interior drainage systems
  • Wall and floor crack repair
  • Dehumidifiers
  • Gutter downspout extensions
  • Vapor barrier
  • Insulated basement wall panels
  • Egress windows

Proven Crawl Space Encapsulation

Do you have a damp, nasty crawl space below your home? How about musty odors inside your home or cold floors over your crawl space? TerraFirma Foundation Systems solves these problems with our state-of-the-art crawl space encapsulation system.

We use the patented CleanSpace Crawl Space Encapsulation System to eliminate excess moisture and musty smells. Crawl space insulation is added to the walls for added comfort and energy efficiency. What you get is a dry, usable crawl space and improved comfort and healthier air inside your home.

We offer a full range of crawl space repair solutions in Renton, including:

  • Crawl space dehumidifiers
  • Crawl space sump pumps
  • Crawl space drainage systems
  • Crawl space doors and access wells
  • Crawl space structural supports

Our patented WaterGuard drainage system doesn’t require excavation, can typically be installed in just two days and includes a transferable lifetime warranty! Contact us to learn more and get a free basement inspection and repair estimate.

Our inspectors have a minimum of 10 years of industry experience and their focus is to understand the cause of your specific problem and recommend the best solution for your home. Contact us today to schedule a free inspection of your foundation, basement, crawl space or concrete in Renton or the surrounding area.

Work Requests From Renton, WA
in Renton
Wet crawl space with rodent history. I'd like an estimate to seal and closed cell foam the underside, depending on costs.
in Renton
Leaking converted Garage
Morris Ave S in Renton
Water in crawl space. Please contact me for estimate. Thanks
Stevens Ct NW in Renton
We have a below grade crack in our basement foundation with ground water seepage. It does not appear to be structural, my hopes are to have the crack sealed from the interior via epoxy injection.
in Renton
Looking for estimate on driveway lifting and settling. Maintenance manager Russ Robonette (253)-486-2322. Customer switched to take another call and line disconnected.
Serving the following Renton, WA zip codes
98055, 98056, 98057, 98058, 98059