TerraFirma

Scappoose, OR

Foundation, Crawlspace & Concrete Contractors in Scappoose, OR

Terrafirma in Scappoose, OR

At TerraFirma, we focus on safeguarding and strengthening the structural integrity of homes in Scappoose and throughout Oregon and Washington. For years, we’ve been proud to help local homeowners tackle the unique climate and soil challenges in our area with our expert repair services.

From a cracking foundation and a musty basement to a damp crawl space or an uneven concrete slab, TerraFirma has the experience, tools, and reliable systems to restore your Scappoose home and ensure it stays safe for years to come.

cc1b12ed 9747 4838 b6d6 b334b1fe6dd6 Scappoose
cc1b12ed 9747 4838 b6d6 b334b1fe6dd6 Scappoose

Scappoose’s TOP-RATED Foundation & Basement Contractors

Contact us at (866) 486-7196 or use the form to the right.

Hours: Monday – Friday, 8am-5pm

    View our privacy policy for more information

    Foundation Repair Scappoose

    Foundation issues can lead to significant damage to your home if not taken care of. In Scappoose, OR, homeowners may observe signs like cracks in the floor, bowing walls, or sagging floors, which often indicate deeper structural concerns. You might find that doors get stuck, windows won’t close right, or there are noticeable gaps between the walls and ceilings. These symptoms could suggest that your foundation is shifting due to soil movement, water damage, or simply the effects of aging.

    At TerraFirma, we provide expert foundation repair solutions right here in Scappoose, addressing the specific issues behind your foundation problems. Our process starts with a thorough inspection to identify the root cause and severity of the damage. From there, we’ll recommend one or more of our reliable foundation repair systems to get your home back on solid ground.

    Foundation piers

    Our push and helical piers are designed to stabilize and lift your foundation by shifting its load to deeper, more stable soil. Helical piers work best in areas with known soil conditions, while push piers are ideal for locations with uncertain soil stability. Both options are minimally invasive and provide lasting solutions for your foundation needs in Scappoose.

    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 professional installation, ongoing maintenance options, and transferable warranties, providing you with confidence and peace of mind in your Scappoose home.

    Basement Waterproofing Scappoose

    Having a wet basement in Scappoose can result in mold, mildew, structural issues, and poor air quality in your home. You might notice signs of water intrusion like musty odors, stained walls, pooling water, or efflorescence—a white, powdery residue that forms when water evaporates. Even a tiny crack in your basement wall can turn into a significant pathway for moisture.

    TerraFirma provides top-notch basement waterproofing solutions in Scappoose, ensuring your space stays dry, healthy, and functional—come rain or shine.

    In Scappoose, OR, we create custom drainage systems that effectively redirect water away from your basement and into sump pumps, safeguarding your foundation.

    WaterGuard®: Our most popular system, it’s installed below the floor slab and above the footing to prevent clogging.
    DryTrak®: Ideal for monolithic foundations where jackhammering is not feasible.
    FlowGuard®: A thin-floor drain system used in basements with thin concrete slabs.
    TrenchLock™ Inserts: Block ground air from entering while allowing water to drain.

    We offer several sump pump options tailored to your water exposure:

    TripleSafe™: Three-pump system for maximum protection, including battery backup for power outages.
    UltraSump®: High-capacity battery backup pump that activates when the main pump fails or power goes out.
    SuperSump®: A single-pump system for homes with minor water issues.

    VaporLoc Elite: A heavy-duty wall liner that stops moisture and mold while directing water into drainage systems.
    SaniDry Sedona & XP: Energy-efficient dehumidifiers that remove up to 109 pints of moisture daily, improving air quality and comfort.

    Our SunHouse™ Window Wells and WellDuct® Drains keep your basement bright, dry, and free from debris, while meeting egress codes for safety.

    Waterproofing in Scappoose, OR not only safeguards your investment, but it also turns your basement into a safe, functional extension of your home.

    Crawl Space Repair Scappoose

    Crawl spaces are often forgotten, but they play a vital role in your home’s structure and air quality. When neglected, these spaces can become a breeding ground for mold, pests, and stagnant water. This can result in wood rot, unpleasant odors, and potential respiratory problems for everyone living in your Scappoose home.

    We understand the unique crawl space conditions in Scappoose, OR. That’s why TerraFirma offers expert crawl space repair services to tackle moisture, mold, pests, and sagging floors with comprehensive solutions like full encapsulation, drainage, and structural support.

    tf drainage matting Scappoose

    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.
    dehumidifiers titlesection 11 Scappoose

    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 Scappoose is crucial to maintaining your home’s overall health and energy efficiency.

    IMG 2361 JPG Scappoose

    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 titlesection 8 Scappoose

    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.

    cracked concrete oregon e1723154044204 1024x839 1 Scappoose

    Concrete Repair Scappoose

    Damaged, cracked, or uneven concrete isn’t just an eyesore—it can also pose safety risks. These issues can arise from poor soil compaction, freeze-thaw cycles, erosion, or tree roots. Residents of Scappoose turn to us for fast and effective solutions to repair their concrete slabs, sidewalks, patios, and driveways.

    TerraFirma provides quick, efficient, and durable concrete leveling and repair solutions in Scappoose, OR, using cutting-edge polyurethane foam injection and expert crack sealing.

    PolyLevel® Concrete Lifting

    PolyLevel uses expanding polyurethane foam to lift and stabilize concrete slabs. This non-invasive method is perfect for Scappoose 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 Scappoose, OR for industrial buildings, warehouse floors, roads, runways, and rail lines—using the same high-quality systems we trust for residential properties.

    Earthquake Retrofitting Scappoose, OR

    Scappoose, like much of the Pacific Northwest, is located in an active seismic zone. Homes built before the updated building codes of the 1990s are particularly at risk. Even a minor earthquake can lead to a home shifting off its foundation or suffering serious structural damage.

    TerraFirma’s earthquake retrofitting services help secure your Scappoose home to its foundation and strengthen its ability to withstand seismic events.

    Earthquake retrofitting in Scappoose not only enhances your safety but can also lower your insurance premiums and deductibles, plus help you qualify for coverage that wasn’t available before the upgrade.

    How We Retrofit

    Assessment & Planning

    The retrofitting process starts with a thorough evaluation of your building’s condition. A qualified expert, like a structural engineer or skilled technician, will inspect your home to pinpoint any weaknesses and suggest the best solutions.

    This evaluation looks at the foundation, walls, roof, and overall structure of your home. After that, our engineer creates a detailed retrofitting plan tailored to the results.

    Foundation Bolting

    Securing the foundation is the next crucial step in this process. Our skilled technicians install anchor bolts that link your home to its foundation, ensuring it stays secure and stable during an earthquake.

    Our team carefully drills into the foundation and installs steel bolts, which are then secured to strengthen the structure and improve its stability against seismic forces.

    Adding Shear Walls

    Shear walls play a vital role in earthquake retrofitting, helping to evenly distribute seismic forces and keeping your Scappoose home safe from collapse.

    Shear walls are often made from sturdy materials like plywood and are placed in key areas of your home, especially in cripple walls. They enhance the structural support and stability of your walls, helping to minimize the risk of damage during an earthquake.

    Bracing & Reinforcing

    Next, we enhance the critical areas of your Scappoose home by installing steel braces and straps. Our skilled team secures these elements to vital parts of your home, including the roof, walls, and floors. This step strengthens your home’s overall stability, ensuring it has a robust framework capable of withstanding any seismic activity.

    Securing Applicances

    By securing your appliances, you can create a safer home for everyone in Scappoose. Anchoring essential items like water heaters and refrigerators is crucial. Our technicians also provide protection 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.

    download Scappoose

    Secure Your Scappoose Home Today

    At TerraFirma, we’ve spent over 20 years helping homeowners in Scappoose 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 Scappoose, OR has its own unique character—but TerraFirma has a solution for every challenge. Reach out to us today for a free in-home estimate and find out how we can enhance your home’s safety, health, and value for years to come.

    Scappoose
    Homeowners
    Frequently Asked Questions

    How does rain put my home at risk ?

    What’s the best way to repair concrete?

    What types of cracks in my foundation or basement should I be concerned with?

    How to fix a leaking basement floor?

    Are you noticing damp drywall and carpet in your basement?

    Which vapor barrier is best for weeping walls?

    Can I turn my crawl space into storage?

    How to repair damaged concrete?

    What is that bad smell coming up from my drain?

    What is the difference between helical piers and push piers?

    How long does basement waterproofing last?


    Why is
    TerraFirma
    the Top Rated Foundation Expert in Oregon?

    From Portland to Beaverton, Salem to Lake Oswego, and all across the region, our experts consistently deliver durable, reliable foundation, basement, and crawlspace solutions. Check out these homeowner stories from your neighbors.

    Exceptional service!
    The team was responsive and professional throughout the process. After permits were approved, the job was quickly done. Very impressed!
    Brian Comunale was incredibly thorough in his inspection and assessment of my compromised foundation. He took pictures of all the damage and explained the issues and possible solutions. He went above and beyond. Truly phenomenal communication and customer service. I highly recommend his services.
    The crew that came out from Terra Firma Foundations was amazing. Explained everything so clearly that a dummy like me understood what they were they were doing. Answered all my questions. Cleaned up the work-site so it was cleaner than when they started and did an all-around bang-up job. In case you're interested in requesting the crew I had, the team was: (Timothy Cranley II, Jonathan Heredia, Jairo Torres, Rodolfo Ruiz, and Zack Etters.)
    We had our crawl space waterproofed with a sump pump installed by TerraFirma. Our experience with this company was excellent. Sammy was our coordinator and kept us advised throughout the process in a very thorough and efficient way. Christian was the foreman in installation and Antonio and Jesse worked with him. They all were such hard working and super pleasant young men! They let us know what they were doing all the way through and cleaned up each day, leaving everything tidy. We are very satisfied with TerraFirma's work and recommend them highly!
    Terrafirma just completed a crawl space drainage project with installation of sump pump. They did a fabulous job. Jorge was the excellent foreman. He is professional and a great communicator. His team included Juan and Manuel. They all worked incredibly hard to get the job done on time under difficult conditions. They also did a great job of cleanup. I cannot recommend them enough!
    Five Star to the Aris's team who worked on site! My project was stuck and the boys drive all the way from Vancouver up to Seattle to rescue. When I met them for the first time, I was deeply worried because those boys look so young! However, I was quickly impressed because the young boys really rock! They are super friendly and polite, they are energized and work so hard, I can tell they are proud of their craftsmanship and really care about your property. Kudos to Brad, Aris, Jose and Rudy! For the overall experience, there was a huge gap between sales team and production team, be prepared that you may not get any material/product like what the sales person showed to you, I did a lot of research on their product and that was the main reason I selected them, however, I did not get any of the product with specification that were promised, so this is quite disappointing - but I understand this is not really sales or field technician's fault...
    We had a concrete driveway that was sinking on one side, large chunks of the pavement were completely detached. TerraFirma was quick to schedule an estimate. The estimate was thorough and a fair price. They were flexible with scheduling for the job itself. They arrived at the scheduled time, did an awesome job of cleaning the cracks, leveling everything, and sealing the cracks. The material to seal the cracks needed to be avoided by our dog for half a day to be safe just to prevent her nails from digging into it while it finished curing, but otherwise we were able to immediately walk on the driveway. It looks fantastic. If you're looking to give your exterior a visual improvement as well as prevent erosion of your driveway/foundation, this is such a great solution. The warranty is great too. Well worth the price. We feel comfortable moving on to additional projects that the driveway impacts, knowing it is sturdy.
    The crew showed up right as scheduled. The foundation work itself was completed in two days. Inspection and clean up occurred on the morning of the third day. I highly recommend Terra Firma.
    TerraFirma did a very fine job for us. We had a lot of scheduling issues with the abundance of rain in Oregon this last Spring, but they insisted on being patient and doing the job right. They worked very smoothly with my other contractors and it was easy for us.
    Very impressed with the service I received from the inspection of our crawlspace to the install. We have water build up in our crawlspace and TerraFirma came out and installed a French drain around the perimeter, a sump pump and did a clear out of debris and placed down a new vapor barrier. The techs who came out (Jorge, Fernando and Jose) left my place cleaner than they found it.
    Clay Carter

    Schedule your free
    Foundation Evaluation

    Schedule your free
    Foundation Evaluation