Foundation, Crawlspace & Concrete Contractors in Ryderwood, WA
Terrafirma in Ryderwood, WA
At TerraFirma, we focus on safeguarding and enhancing the structural integrity of homes throughout Oregon and Washington. For years, we’ve proudly served homeowners in Ryderwood, helping them tackle the unique climate and soil challenges of the region.
From a solid foundation to a dry basement, a moisture-free crawl space, or a level concrete slab, TerraFirma has the expertise, tools, and trusted solutions to restore your Ryderwood home and ensure its safety for years to come.
Ryderwood’s TOP-RATED Foundation & Basement Contractors
Contact us at (866) 486-7196 or use the form to the right.
Hours: Monday – Friday, 8am-5pm
Foundation Repair Ryderwood
Foundation issues can lead to significant damage to your home if not addressed promptly. In Ryderwood, WA, homeowners may notice signs like cracked floors, bowed walls, or sagging floors—symptoms that often indicate deeper structural concerns. You might also experience sticking doors, windows that fail to close correctly, or gaps appearing between the walls and ceiling. These issues can all point to foundation shifts caused by soil movement, water damage, or the natural wear and tear of time.
At TerraFirma, we provide specialized foundation repair services in Ryderwood, WA, designed to address the unique issues affecting your home. Our process starts with a thorough inspection to identify the root cause of your foundation problems. Based on our findings, we will recommend the best foundation repair solutions to fit your needs:
Foundation piers
At our company, we provide push and helical piers designed to stabilize and lift your foundation by transferring its weight to deeper, more stable soil. Helical piers are great for areas with known soil conditions, while push piers are best suited for locations with uncertain soil stability. Both systems are minimally invasive and provide lasting solutions for your foundation needs in Ryderwood, WA.
Wall Stabilization Systems
For cracked, bowing, or leaning walls, we offer a suite of reinforcement products. These include:
- CarbonArmor®: Made from fiber-reinforced polymers ten times stronger than steel.
- PowerBrace®: Zinc-plated steel beams that can be tightened over time.
- GeoLock® Anchors and Helical Tiebacks: These systems halt inward movement and gradually straighten walls over time.
- EverBrace™: Designed for severely deteriorated walls, this system replaces and reinforces failing foundation walls with steel supports.
We also offer grouted micropile tiebacks for difficult soil conditions, SmartJack® crawl space support posts for sagging floors, and vapor barriers to manage humidity and prevent further moisture damage.
Every solution comes with expert installation, ongoing maintenance options, and transferable warranties, ensuring you have confidence and peace of mind in your Ryderwood home.
Basement Waterproofing Ryderwood
Experiencing a wet basement in Ryderwood can lead to serious issues like mold, mildew, structural damage, and poor air quality in your home. Signs of water intrusion may include musty odors, stained walls, pooling water, or efflorescence—a chalky white residue that appears when water evaporates. Even the smallest crack in your basement wall can turn into a major doorway for moisture.
TerraFirma provides cutting-edge basement waterproofing solutions right here in Ryderwood, ensuring your space stays dry, healthy, and fully functional, no matter what the weather brings.
Crawl Space Repair Ryderwood
Crawl spaces in Ryderwood, WA, are often forgotten, but they play a vital role in your home’s structure and air quality. If left unattended, a neglected crawl space can become a breeding ground for mold, pests, and standing water. These issues can lead to wood rot, unpleasant odors, and even respiratory concerns for you and your family.
At TerraFirma, we understand the unique crawl space challenges in Ryderwood, WA. Our crawl space repair services are tailored to combat moisture, mold, pests, and sagging floors, offering comprehensive solutions like full encapsulation, drainage, and structural support.

Encapsulation & Drainage
We begin by sealing the crawl space with our VaporLoc Elite liner, a 120-mil thick waterproof barrier that blocks moisture, soil gases, and allergens. To ensure proper drainage:
- We use drainage matting under the liner to guide water to your perimeter drain or sump pump.
- Sump pumps remove water quickly and efficiently, even during heavy rain or high water table conditions.

Crawl Space Entry & Vent Solutions
- EverLast™ Doors & Access Wells: Waterproof, durable entry systems that keep out pests and moisture.
- Turtl™ Access Well: An attractive, lockable access solution in several colors.
- Vent Covers: Sealing crawl space vents prevent outdoor air, moisture, and insects from entering.
Crawlspace repair in Ryderwood is crucial to maintaining your home’s overall health and energy efficiency.

Structural Repairs
To support sagging or weak floor joists, our SmartJack® Support Posts offer adjustable, galvanized steel columns that restore floor stability. These are fast to install and offer permanent results.

Dehumidifiers & Monitoring
Install a SaniDry Sedona dehumidifier to maintain healthy humidity levels year-round. For added security, our ShipShape™ System offers 24/7 performance monitoring, proactive maintenance alerts, and remote control of your crawl space systems.

Concrete Repair Ryderwood
Damaged, cracked, or uneven concrete can be more than just an eyesore; it poses a safety risk as well. Issues like poor soil compaction, freeze-thaw cycles, erosion, and tree root growth can lead to these problems. Residents of Ryderwood trust us to promptly and effectively repair their concrete slabs, sidewalks, patios, and driveways.
TerraFirma delivers quick, clean, and durable concrete leveling and repair solutions in Ryderwood, WA, utilizing advanced polyurethane foam injection and effective crack sealing techniques.
PolyLevel® Concrete Lifting
PolyLevel utilizes expanding polyurethane foam to lift and stabilize concrete slabs. This non-invasive method is perfect for the needs of Ryderwood, WA:
- Sidewalks – Eliminates tripping hazards and restores smooth walkways.
- Driveways – Prevents further cracking and improves curb appeal.
- Patios, Porches, and Pool Decks – Ensures proper drainage and surface stability.
NexusPro™ Crack & Joint Sealant
To prevent water intrusion that can lead to further sinking, we apply NexusPro, a UV-resistant silicone-based joint sealant that:
- Cures in just 60 minutes.
- Withstands extreme weather and heavy use.
- Includes color-matched sand for a clean, polished look.
SealantPro™ Concrete Protection
After sealing and lifting your concrete, SealantPro provides a long-term barrier against moisture, chemicals, and seasonal temperature changes. It penetrates deep into concrete to resist stains, flaking, and surface erosion.
We also provide commercial concrete repair in Ryderwood, WA for industrial buildings, warehouse floors, roads, runways, and rail lines—using the same high-quality systems we trust for residential properties.
Earthquake Retrofitting Ryderwood, WA
Ryderwood, WA, is located in a region of the Pacific Northwest that is prone to seismic activity. Homes that were built before the updated building codes implemented in the 1990s may be particularly at risk. Even a small earthquake can lead to a home shifting off its foundation or suffering significant structural damage.
TerraFirma’s earthquake retrofitting services help secure your Ryderwood home to its foundation and strengthen its ability to withstand seismic events.
Upgrading your home with earthquake retrofitting in Ryderwood can lower your insurance premiums and deductibles, plus help you qualify for coverage that wasn’t available before the improvements.
How We Retrofit
Assessment & Planning
In Ryderwood, WA, the retrofitting process starts with a thorough assessment of your building’s current condition. A qualified expert, like a structural engineer or skilled technician, will inspect your home to pinpoint any weaknesses and suggest the best solutions.
Our evaluation involves a thorough inspection of the foundation, walls, roof, and overall structure. After assessing these elements, our engineer will create a detailed retrofitting plan tailored to the findings.
Foundation Bolting
Next up in the process is securing the foundation right here in Ryderwood, WA. Our technicians will install anchor bolts to firmly connect your home to its foundation, helping to prevent any shifting during an earthquake.
In Ryderwood, WA, we strengthen your home’s foundation by drilling holes and inserting sturdy steel bolts. Our team carefully tightens these bolts to ensure your structure is more stable and better equipped to withstand seismic forces.
Adding Shear Walls
Shear walls play a vital role in earthquake retrofitting in Ryderwood, WA, helping to distribute seismic forces and keep buildings from collapsing.
In Ryderwood, WA, shear walls are commonly made from plywood or other durable materials and are strategically placed throughout homes, especially in cripple walls. These walls add crucial support and stability, helping to minimize the risk of damage during an earthquake.
Bracing & Reinforcing
Next, we secure key areas of your Ryderwood home with steel braces and straps. Our team installs these reinforcements on essential structural elements like the roof, walls, and floors. This important step enhances your home’s stability, creating a strong framework designed to withstand seismic forces.
Securing Applicances
Securing your appliances will help create a safer living environment for everyone in Ryderwood, WA. It’s important to anchor items like water heaters and refrigerators. Our technicians can also install safety measures for gas meters to reduce the risk of gas leaks.
Reparing Foundations
During retrofitting, technicians may notice substantial foundation damage that needs immediate repair. Adding crawl space support posts and foundation piers, and stabilizing the walls are some of the ways TerraFirma can reinforce your foundation.

Secure Your Ryderwood Home Today
At TerraFirma, we’ve spent over 25 years helping homeowners in Ryderwood and across the Pacific Northwest protect their homes from the ground up. From foundation repair and basement waterproofing to crawl space encapsulation, concrete leveling, and earthquake retrofitting, our team delivers top-tier craftsmanship with trusted products, proven systems, and lasting warranties.
Every home in Ryderwood, WA has its own unique character, and at TerraFirma, we have tailor-made solutions for every challenge you might face. Reach out to us today for a free in-home estimate and learn how we can enhance your home’s safety, health, and value for years to come.
Ryderwood
Homeowners Frequently Asked Questions
How does rain put my home at risk ?
SeaTac soils are impacted by heavy rains causing hydrostatic pressure. This leads to cracks in foundations and basements and may cause your foundation to settle or sink. Engineered support structures and comprehensive drainage systems are key to keeping your home dry, safe, and stable.
What’s the best way to repair concrete?
The NexusPro solution is a commercial grade joint sealant that offers several advantages over traditional concrete crack repairs. Its fast cure time (60 minutes) and performance under extreme temperatures makes it a perfect match for concrete repairs.
What types of cracks in my foundation or basement should I be concerned with?
Houses are susceptible to cracks in basements due to heavy rains and wet soils. Watch out for horizontal or stair step cracking along the foundation wall, diagonal cracks in the corners, crumbling walls and inward bulges.
How to fix a leaking basement floor?
If you have water coming through the floor or windows to your basement, the first step is installing a perimeter drain system. We can also install a direct drainage channel, which will help direct any water that comes through the crack into the drain and your sump pump.
Are you noticing damp drywall and carpet in your basement?
Musty smells, walls that feel damp to the touch, and ground-level leaks are all indicators that your basement may need to be waterproofed. Don’t wait until the next heavy rain to protect your home from water damage.
Which vapor barrier is best for weeping walls?
The VaporLoc Elite Wall System is better for weeping walls than other commonly used vapor barriers. The VLE system has double sealed seams, waterproof material (not water-resistant), and is much thicker than vapor barriers available at retail stores.
Can I turn my crawl space into storage?
TerraFirma offers comprehensive encapsulation solutions to keep your crawl space clean, dry, and secure from outside threats. Our industry-leading vapor barrier system keeps out destructive moisture while greatly improving your indoor air quality. In most homes, TerraFirma can even encapsulate your crawl space, giving you a clean, dry area suitable for storage.
How to repair damaged concrete?
While you could seal concrete with urethane caulk found at your local big-box DIY store, that is a solution that is prone to cracking, bubbling and drying out over time. The local experts at TerraFirma are here to help with long lasting solutions to level seal your unprotected joints and cracked concrete.
What is that bad smell coming up from my drain?
Unwanted air and gasses are coming up through your home’s drain system. A great fix is our TrenchLock™ drain insert that can be installed in an existing trench drain to allow water down without allowing air to come up. The system comes with balls that fit over the drainage holes, which create an airtight seal when there is no water.
What is the difference between helical piers and push piers?
Helical piers and push piers are both types of foundation repair methods, but they differ in their design and installation process. The choice between helical piers and push piers depends on factors such as soil conditions and structural requirements. Helical piers are often preferred in areas with weak or unstable soil conditions.
How long does basement waterproofing last?
TerraFirma-installed waterproofing systems are expected to last decades with regular care & maintenance. We also warranty our installations, our WaterGuard and DryTrak drainage systems come with a transferrable lifetime warranty. Terms apply, view the details here. We stand by our work and the quality of the systems we install.