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Foundation, Crawlspace & Concrete Contractors in Happy Valley, OR
Terrafirma in Happy Valley, OR
At TerraFirma, we’re dedicated to safeguarding and improving the structural integrity of homes in Happy Valley and throughout Oregon and Washington. For years, we’ve been proud to support homeowners in our community, helping them tackle the unique climate and soil challenges that come with living here.
From a crumbling foundation to a musty basement, a damp crawl space, or an uneven concrete slab, TerraFirma has the expertise and tools to restore your Happy Valley home and ensure it remains safe for years to come.
Happy Valley’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 Happy Valley
Foundation issues can lead to significant damage to your home if not taken care of. Common signs like cracks in the floors, bowing walls, and sagging floors often indicate more serious structural problems. Homeowners in Happy Valley, OR, may notice sticking doors, windows that don’t close properly, or gaps between walls and ceilings. These may suggest that the foundation is shifting due to soil movement, water damage, or age-related wear and tear.
At TerraFirma, we specialize in foundation repairs right here in Happy Valley. Our expert team delivers tailored solutions that address the root cause of your foundation issues. We start with a thorough inspection to evaluate the extent and source of the problem, and then suggest one or more of our trusted foundation repair systems to restore your home’s stability.
Foundation piers
In Happy Valley, our push and helical piers are expertly designed to stabilize and lift your foundation by transferring its weight to deeper, more stable soil. Helical piers work best in areas with known soil conditions, while push piers are ideal for locations where soil stability may be uncertain. Both systems 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, providing you with confidence and peace of mind in your Happy Valley home.
Basement Waterproofing Happy Valley
In Happy Valley, a wet basement can create serious problems like mold, mildew, and even structural damage, compromising the air quality in your home. You might notice signs of water intrusion such as musty odors, stained walls, standing water, or efflorescence—a white, powdery residue that appears when water evaporates. Even a tiny crack in your basement wall can become a significant gateway for moisture.
TerraFirma provides top-notch basement waterproofing solutions in Happy Valley that ensure your space stays dry, healthy, and functional—come rain or shine.
Crawl Space Repair Happy Valley
Crawl spaces may not get much attention, but they play an essential role in the overall structure and air quality of your Happy Valley home. If ignored, a neglected crawl space can become a breeding ground for mold, pests, and standing water, leading to wood rot, unpleasant odors, and potentially harmful respiratory issues for your family.
We understand the unique crawl space challenges in Happy Valley, OR, and TerraFirma’s repair services are tailored to tackle moisture, mold, pests, and sagging floors. Our solutions include comprehensive encapsulation, effective drainage, and robust 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 Happy Valley 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 Happy Valley
Cracked, damaged, or uneven concrete isn’t just an eyesore—it’s also a safety risk. Issues like poor soil compaction, freeze-thaw cycles, erosion, and tree root growth can cause these problems to arise. That’s why homeowners in Happy Valley choose us to quickly and effectively repair their concrete slabs, sidewalks, patios, and driveways.
At TerraFirma in Happy Valley, we provide quick, efficient, and durable concrete leveling and repair services with our state-of-the-art polyurethane foam injection and crack sealing techniques.
PolyLevel® Concrete Lifting
PolyLevel uses expanding polyurethane foam to lift and stabilize concrete slabs. This non-invasive method is perfect for the unique needs of Happy Valley, OR, including:
- 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 Happy Valley, OR for industrial buildings, warehouse floors, roads, runways, and rail lines—using the same high-quality systems we trust for residential properties.
Earthquake Retrofitting Happy Valley, OR
Happy Valley, like much of the Pacific Northwest, is located in a region prone to seismic activity. Homes built before the updated building codes of the 1990s may be particularly at risk. Even a minor earthquake has the potential to shift a home off its foundation or cause significant structural damage.
TerraFirma’s earthquake retrofitting services help secure your Happy Valley home to its foundation and strengthen its ability to withstand seismic events.
Retrofitting your home against earthquakes in Happy Valley not only boosts safety but can also lead to lower insurance premiums and deductibles, and may even make you eligible for coverage that wasn’t available before the upgrade.
How We Retrofit
Assessment & Planning
In Happy Valley, OR, the retrofitting process starts with a thorough assessment of your building’s condition. A skilled expert, like a structural engineer or trained technician, will examine your home to pinpoint any weaknesses and suggest the best solutions.
This assessment involves a thorough look at the foundation, walls, roof, and overall structure. Afterward, our engineer will create a detailed retrofitting plan tailored to the findings.
Foundation Bolting
In Happy Valley, securing your home’s foundation is a crucial next step. Our experienced technicians will install anchor bolts to firmly connect your house to its foundation, helping to prevent any shifting during an earthquake.
Our process starts with drilling holes into the foundation, where we insert sturdy steel bolts. Our team then tightens these bolts to reinforce the structure, improving its stability and resistance to seismic activity.
Adding Shear Walls
In Happy Valley, OR, shear walls play a vital role in earthquake retrofitting by helping to distribute seismic forces, ensuring your building remains safe and secure during an earthquake.
Shear walls are usually made from plywood or other sturdy materials and are installed in key spots throughout your home, especially in areas like cripple walls. These walls add extra support and stability, helping to minimize the risk of damage during an earthquake.
Bracing & Reinforcing
Next, we enhance and fortify essential areas of your Happy Valley home with sturdy steel braces and straps. Our team carefully installs these reinforcements to key structural elements like the roof, walls, and floors. This important step boosts your home’s stability, giving it a strong framework designed to withstand seismic forces.
Securing Applicances
By securing your appliances, you can create a safer living space for everyone in Happy Valley, OR. It’s important to anchor items like water heaters and refrigerators. Our technicians can also install safeguards for gas meters to help 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 Happy Valley Home Today
At TerraFirma, we’ve spent over 25 years helping homeowners in Happy Valley 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 Happy Valley, OR is unique—but at TerraFirma, we have a solution for every challenge. Reach out to us today for a complimentary in-home estimate and see how we can help enhance the safety, health, and value of your home for years to come.
Happy Valley
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.
