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Foundation, Crawlspace & Concrete Contractors in Kent, WA
Terrafirma in Kent, WA
At TerraFirma, we focus on preserving and enhancing the structural integrity of homes throughout Washington, including right here in Kent. For years, we’ve helped local homeowners tackle the unique climate and soil challenges that come with living in the area.
From a crumbling foundation to a musty basement, a damp crawl space, or an uneven concrete slab, TerraFirma has the experience, tools, and reliable solutions to restore your Kent home and ensure its safety for years to come.
Kent’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 Kent
Foundation problems can lead to significant damage to your home if not taken care of promptly. If you’re a homeowner in Kent, WA, you might spot issues like cracking floors, bowing walls, or sagging floors, which often indicate more serious structural concerns. You may also experience sticking doors, windows that don’t close correctly, or visible gaps between your walls and ceilings. These signs could mean your foundation is shifting due to soil movement, water damage, or the natural wear and tear that comes with age.
At TerraFirma, we specialize in foundation repair in Kent, WA, offering customized, expert solutions designed to address the root cause of your foundation issues. Our process starts with a thorough inspection to evaluate the extent and source of the problem. From there, we recommend one or more of our reliable foundation repair systems:
Foundation piers
Our push and helical piers are designed to stabilize and lift your foundation by transferring its weight to deeper, more stable soil. In Kent, WA, helical piers are perfect for areas with predictable soil conditions, while push piers are a great choice for locations where soil stability is less certain. Both methods are minimally invasive and provide lasting solutions for your foundation needs.
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 home in Kent.
Basement Waterproofing Kent
Dealing with a wet basement in Kent, WA? It’s more than just an inconvenience. Excess moisture can lead to mold, mildew, structural issues, and decreased air quality in your home. Look out for signs like musty odors, stained walls, pooling water, or efflorescence—a white, powdery residue that appears when water evaporates. Even a tiny crack in your basement wall can open the door to significant moisture problems.
TerraFirma provides cutting-edge basement waterproofing solutions in Kent, WA, ensuring your space stays dry, healthy, and functional—regardless of the weather.
Crawl Space Repair Kent
Crawl spaces in Kent, WA, are often neglected, but they play a vital role in your home’s structural integrity and air quality. If left unattended, a neglected crawl space can become a breeding ground for mold, pests, and standing water. These issues can result in wood rot, unpleasant odors, and even respiratory problems for those living in the home.
We understand the unique crawl space conditions in Kent, WA, and TerraFirma’s repair services are here to tackle issues like moisture, mold, pests, and sagging floors. Our solutions include full encapsulation, effective drainage, and robust structural support.
Encapsulation & Drainage
We begin by sealing the crawl space with our Vapor Barrier, 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.
- Crawl Space 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 Kent 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 Basement 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 Kent
Damaged, cracked, or uneven concrete isn’t just an eyesore—it can also pose safety risks. Issues like these often arise from poor soil compaction, freeze-thaw cycles, erosion, or tree root growth. Homeowners in Kent rely on us to repair their concrete slabs, sidewalks, patios, and driveways swiftly and efficiently.
TerraFirma provides quick, clean, and durable concrete leveling and repair services in Kent, WA, using innovative 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 solution is perfect for the needs of Kent, WA residents looking to:
- 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 Kent, WA for industrial buildings, warehouse floors, roads, runways, and rail lines—using the same high-quality systems we trust for residential properties.
Earthquake Retrofitting Kent, WA
Kent, WA is located in an active seismic zone that’s part of the Pacific Northwest. Homes constructed before the updated building codes of the 1990s are particularly at risk. Even a small earthquake can result in a home shifting off its foundation or sustaining significant structural damage.
TerraFirma’s earthquake retrofitting services help secure your Kent home to its foundation and strengthen its ability to withstand seismic events.
Enhancing your home with earthquake retrofitting in Kent not only boosts safety but can also lower your insurance premiums and deductibles, helping you qualify for coverage that may not have been available before.
How We Retrofit
Assessment & Planning
The retrofitting process starts with a thorough evaluation of your building’s current condition here in Kent, WA. A qualified expert, like a structural engineer or trained technician, will inspect your home to pinpoint any weaknesses and suggest the best solutions.
This evaluation looks closely at the foundation, walls, roof, and overall structure. Afterward, our engineer creates a detailed retrofitting plan tailored to the findings.
Foundation Bolting
Securing the foundation is a crucial step for homes in Kent, WA. Our technicians install anchor bolts to firmly connect your house to its foundation, ensuring it stays stable during any earthquake.
Our process involves drilling into the foundation and installing steel bolts, which are then tightened to reinforce the structure, boosting its stability and resilience against seismic activity.
Adding Shear Walls
Shear walls play a vital role in earthquake retrofitting in Kent, WA, helping to distribute seismic forces and keep buildings standing strong during an earthquake.
Shear walls, often made from plywood or other sturdy materials, are strategically placed throughout homes in Kent, WA, especially in areas like cripple walls. These walls enhance the structural support and stability of your home, helping to minimize the risk of damage during an earthquake.
Bracing & Reinforcing
Next, we reinforce essential areas of your home in Kent, WA, using durable steel braces and straps. Our team expertly installs these to vital structural elements like the roof, walls, and floors. This process enhances the overall stability of your home, ensuring it has a robust framework capable of withstanding seismic forces.
Securing Applicances
Securing your appliances helps create a safer home for everyone in Kent, WA. It’s important to anchor items like water heaters and refrigerators. Our technicians can also install safeguards for gas meters to minimize 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 Kent Home Today
At TerraFirma, we’ve spent over 20 years helping homeowners in Kent 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 Kent, WA has its own unique story—but TerraFirma has a solution for every challenge you might face. Reach out to us today for a free in-home estimate and find out how we can help make your home safer, healthier, and more valuable for years to come.
Kent
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 Vapor Barrier 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 Grated Trench 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 Basement Drainage System and Perimeter Drainage System 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.
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