TerraFirma

Sumner, WA

Foundation, Crawlspace & Concrete Contractors in Sumner, WA

Terrafirma in Sumner, WA

At TerraFirma, we’re dedicated to safeguarding and strengthening the homes of Sumner, WA. With years of experience under our belts, we’ve helped local homeowners tackle the unique climate and soil challenges in our area, ensuring their homes remain safe and sturdy.

From a cracked foundation and musty basement to a damp crawl space or an uneven concrete slab, TerraFirma has the know-how, equipment, and reliable solutions to restore your Sumner home and ensure it stays safe for years to come.

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Sumner’s TOP-RATED Foundation & Basement Contractors

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

Hours: Monday – Friday, 8am-5pm

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    Foundation Repair Sumner

    Foundation problems can lead to significant damage to your home if not taken care of. If you’re in Sumner, WA, keep an eye out for signs like cracks in your floors, walls that seem to bow, or floors that sag. You might also notice doors that stick or windows that don’t close right, along with visible gaps between your walls and ceilings. These are often indications that your foundation is shifting, possibly due to soil movement, water damage, or the effects of aging.

    At TerraFirma, we specialize in foundation repairs right here in Sumner. Our expert team provides targeted solutions designed to address the specific cause of your foundation issues. We start with a thorough inspection to evaluate the extent and source of the problem, and then we recommend one or more of our trusted foundation repair systems to ensure lasting results.

    Foundation piers

    Our push and helical piers are designed to stabilize and elevate your foundation by shifting its weight to deeper, more reliable soil. Helical piers work great for areas with known soil conditions, while push piers are the perfect choice for spots with uncertain stability. Both methods are minimally invasive and provide lasting solutions for your home in Sumner.

    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 Sumner.

    Basement Waterproofing Sumner

    Dealing with a damp basement in Sumner? It can lead to mold, mildew, structural issues, and the poor air quality of your home. You might notice signs like musty odors, stained walls, standing water, or efflorescence—the white, powdery residue that forms when water evaporates. Even a tiny crack in your basement wall can turn into a significant pathway for moisture. Don’t let these problems take root!

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

    We design and install custom drainage systems in Sumner, WA, that effectively redirect water away from your basement and into sump pumps, keeping your foundation safe.

    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 Sumner, WA not only safeguards your investment but also turns your basement into a safe and functional extension of your home.

    Crawl Space Repair Sumner

    Crawl spaces in Sumner, WA, are frequently overlooked, yet they play a vital role in your home’s structure and air quality. If neglected, these areas can become breeding grounds for mold, pests, and standing water. This can lead to problems like wood rot, unpleasant odors, and even respiratory issues for those living in the home.

    We understand the unique crawl space conditions in Sumner, WA, and TerraFirma’s repair services are tailored to tackle moisture, mold, pests, and sagging floors with comprehensive solutions like full encapsulation, drainage, and structural support.

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

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    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.

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    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.

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    Concrete Repair Sumner

    Damaged, cracked, or uneven concrete isn’t just an eyesore—it can also pose safety risks. Issues like poor soil compaction, freeze-thaw cycles, erosion, and tree root growth can lead to these problems. That’s why homeowners in Sumner turn to us for fast and effective solutions for their concrete slabs, sidewalks, patios, and driveways.

    TerraFirma provides Sumner, WA, with speedy, clean, and durable concrete leveling and repair solutions, utilizing advanced polyurethane foam injection and crack sealing techniques.

    PolyLevel® Concrete Lifting

    PolyLevel employs expanding polyurethane foam to lift and stabilize concrete slabs right here in Sumner, WA. This non-invasive method is perfect for:

    • 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 Sumner, WA for industrial buildings, warehouse floors, roads, runways, and rail lines—using the same high-quality systems we trust for residential properties.

    Earthquake Retrofitting Sumner, WA

    Sumner, WA, is located in a seismically active region of the Pacific Northwest. Homes built before the updated building codes from the 1990s may be particularly at risk. Even a small earthquake can lead to significant issues, such as shifting off their foundations or sustaining serious structural damage.

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

    Retrofitting your home for earthquakes in Sumner can help lower your insurance premiums and deductibles, and may even make you eligible for coverage options that weren’t available before the upgrade.

    How We Retrofit

    Assessment & Planning

    In Sumner, WA, the retrofitting process starts with a thorough assessment of your building’s current condition. A skilled professional, like a structural engineer or trained technician, will evaluate your home to pinpoint any weaknesses and suggest the best solutions.

    This evaluation involves a thorough inspection of the foundation, walls, roof, and overall structure. After that, the engineer will create a detailed retrofitting plan tailored to the findings.

    Foundation Bolting

    Securing the foundation is an essential next step in our process here in Sumner. Our skilled technicians install anchor bolts to firmly connect your home to its foundation, helping to prevent any lateral movement during an earthquake.

    Our process includes drilling into the foundation and inserting sturdy steel bolts. Our team then tightens these bolts to secure the structure, boosting its stability and improving its ability to withstand seismic activity.

    Adding Shear Walls

    In Sumner, WA, shear walls play a crucial role in earthquake retrofitting by helping to distribute seismic forces and keep buildings safe from collapsing.

    Shear walls, often made of plywood or other sturdy materials, are installed in key areas of homes in Sumner, especially within cripple walls. These walls enhance the support and stability of your home, helping to minimize the risk of damage during an earthquake.

    Bracing & Reinforcing

    Next, we strengthen key areas of your Sumner home by adding steel braces and straps. Our team installs these reinforcements to essential structural components like the roof, walls, and floors. This process enhances your home’s stability, providing a robust framework designed to withstand seismic forces.

    Securing Applicances

    Securing your appliances is key to ensuring a safer home in Sumner. Anchoring items like water heaters and refrigerators is essential, and our technicians will also install safeguards for gas meters to help prevent 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.

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    Secure Your Sumner Home Today

    At TerraFirma, we’ve spent over 20 years helping homeowners in Sumner 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 Sumner, WA has its own unique charm—but TerraFirma is here to tackle any challenge you might face. Reach out today for a free in-home estimate, and see how we can help enhance the safety, health, and value of your home for years to come.

    Sumner
    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?

    Need Top Rated
    Foundation Experts
    in Washington?

    Our clients don’t just recommend us—they rave! From Tacoma to Seattle, Olympia to Puyallup, and all across Washington state, our trusted experts consistently provide top-rated, reliable foundation solutions. See for yourself why we’re the preferred choice.

    Seth came out today to check under my house to give an assessment on ways I can improve my foundation for earthquake protection. He was awesome. He was on time and very personable. He explained things (with pictures) very clearly and answered all my questions. I was very impressed. 🙂
    Bailey Mercer came out on time, which is the number one indicator of professionalism in my experience. He kept the conversation short and to the point. He did not try to upsell me on things didn’t need, and to that point, neither did the sales staff over the phone. Bailey did the measurements, with precision and finished at a reasonable time. I have confidence that when we decide to secure our foundation we will be using Bailey Mercer as our go-to expert when we call TerraFirma.
    Good customer service, good quality work and timely.
    Robert and Jacob came out on a cold, breezy December day and injected the company's foam-brew under our one-hundred-year-old staircase, raising it nearly 1 inch and thereby reconnecting it to our home! No small feat! As a realtor who has recommended TerraFirma to several of my clients, I've come to expect this kind of service, but I wanted to call out the guys for their professionalism and resolve when rain threatened. They also had great info (pics, measurements, etc.) from the estimator, making the project well-organized and timely. Well done!! Highly recommend.
    Noah was on time, professional, knowledgeable, thorough, efficient, friendly, respectful, well-spoken, and thoroughly knew his products. He assembled a comprehensive, detailed, and extensive quote, estimate, and full project workup, complete with photographs from around, under, and through our home! Confidence in TerraFirma and their cabinet of staff is high. Would give six stars if I could.
    I had an excellent experience with Seth from TerraFirma during the field review of my home. He was punctual, professional, and extremely knowledgeable about every aspect of the house. Seth took the time to explain what he was seeing, answered all of my questions clearly, and made sure I fully understood the condition and next steps. It’s rare to find someone who combines expertise with genuine care and attention to detail, but Seth absolutely delivered. His professionalism and confidence gave me real peace of mind. I highly recommend Seth and TerraFirma to anyone needing a thorough and trustworthy home field review.
    Sam was able to provide an excellent inspection and honest report of my crawlspace waterproofing needs. Didn’t feel rushed or pressured. Was able to educate me to better understand the issues and risks. Thank you so much Sam
    We had the pleasure of working with Samuel Bryant, System Design Specialist at TERRAFIRMA, who provided us with a complimentary foundation and crawlspace inspection along with detailed repair estimates. Samuel was highly professional, knowledgeable, and responsive throughout the entire process. He delivered a comprehensive inspection report and repair design that clearly outlined the property’s condition and potential issues. His thorough assessment gave us valuable insight during our home-buying decision and helped us better understand the risks and costs involved. We greatly appreciated the time, expertise, and attention to detail that Samuel and TERRAFIRMA provided. Their excellent service and professionalism left a strong impression on us, and we will not hesitate to reach out to them again for future foundation or crawlspace needs. Highly recommended!
    ***Please note -- I updated my review from 1 to 5 stars. Terra Firma took the initiative to reach out and assess any next steps needed to correct the problem. Trust is 100% restored knowing that if problems come up they will take any action needed to follow up. I will also say that the work they originally did was actually to code, and we agreed that the moisture problems arose due to the nonstandard setup of my dehumidifier, NOT because of errors in Terra Firma's work. Thank you Terra Firma.*** Unfortunately, I have to drop a negative review in the interest of warning other folks that their work has gone downhill. I previously had an excellent experience with Terra Firma for management of a water problem in my crawlspace. I hired them without question again for my current property for management of moisture issues, and I didn't check their work upon completion as thoroughly as I should have. Unfortunately, about 1 - 2 months after completion of work, I discovered a large mushroom growing out of one of the structural posts in my crawl/basement. On closer inspection, I noticed that the dehumidifier water discharge line they installed was dumping less than a foot away from my foundation, corresponding to the exact spot the mushroom was growing. Moisture was the exact problem they were supposed to fix, but now they have created a severe structural problem secondary to moisture with the dehumidifier line dumping large quantities of water right next to my foundation. In other words, they created the exact issue they were purporting to fix by collecting the moisture and depositing it into my foundation. Once fruiting bodies are growing out of wood, this is an indicator that the wood is severely compromised and the fungus network has grown extensively. I now have a very expensive and serious problem to fix. I called to let them know about the problem, not sure if I will hear back from the coordinator/ the team who did the work. I am not sure if I would trust them to fix the issue after the damage they have caused, but I would accept financial remediation. If they take steps to make things right, I would update my review. I would not hire Terra Firma again for any crawlspace work, be it structural or moisture related because of the big problem they have caused. Again, just would like to warn others.
    I had a great experience working with Samuel Bryant. Sam arrived on time and communicated clearly ahead of the inspection, coordinating well with both me and my tenant. He performed a thorough inspection of our basement sump pump, took the time to explain everything clearly, and provided detailed recommendations based on our specific situation. What stood out most was how responsive and patient he was with all of my questions. I really appreciated Sam’s excellent service, and I would highly recommend working with him.

    Schedule your free
    Foundation Evaluation

    Schedule your free
    Foundation Evaluation