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Foundation, Crawlspace & Concrete Contractors in Ravensdale, WA
Terrafirma in Ravensdale, WA
At TerraFirma, we focus on safeguarding and improving the structural integrity of homes right here in Ravensdale, WA. With years of experience, we’ve assisted countless homeowners in navigating the unique climate and soil challenges of our region.
From a solid foundation to a cozy basement, a tidy crawl space, or a level concrete slab, TerraFirma has the know-how, equipment, and dependable solutions to restore your Ravensdale home and ensure its safety for years ahead.
Ravensdale’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 Ravensdale
Foundation issues can lead to significant damage to your home if not taken care of promptly. In Ravensdale, WA, homeowners may notice signs like cracked floors, bowed walls, and sagging structures, which could indicate more serious underlying problems. You might be experiencing sticky doors, windows that don’t close properly, or noticeable gaps between your walls and ceilings. These issues can all signal that your foundation is shifting, often due to soil movement, water damage, or the natural wear and tear of aging.
At TerraFirma, we specialize in foundation repair right here in Ravensdale. Our expert team provides targeted solutions designed specifically for the root cause of your foundation issues. We start with a thorough inspection to identify the extent and source of the problem, and then we recommend the best foundation repair options tailored to your needs:
Foundation piers
In Ravensdale, WA, our push and helical piers are expertly designed to stabilize and lift your foundation by channeling its load into deeper, more stable soil. Helical piers are great for areas with known soil conditions, while push piers work best in places where soil stability is uncertain. Both options are minimally invasive and provide lasting solutions for your home.
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, flexible maintenance options, and transferable warranties, ensuring you feel confident and at ease in your home in Ravensdale.
Basement Waterproofing Ravensdale
Experiencing a wet basement in Ravensdale, WA? It can lead to serious issues like mold, mildew, structural damage, and poor air quality in your home. You might notice musty odors, stained walls, standing water, or efflorescence—a white, powdery substance that appears when water evaporates. Even a tiny crack in your basement wall can turn into a major pathway for moisture to seep in. Don’t let water intrusion compromise your home’s safety!
TerraFirma provides top-notch basement waterproofing solutions in Ravensdale to ensure your space stays dry, healthy, and functional—come rain or shine.
Crawl Space Repair Ravensdale
Often overlooked, crawl spaces play a vital role in your home’s structure and air quality here in Ravensdale, WA. If left unattended, these spaces can become a breeding ground for mold, pests, and standing water. Neglecting them can lead to wood rot, unpleasant odors, and even respiratory problems for you and your family.
At TerraFirma, we understand the unique crawl space conditions in Ravensdale, WA. Our specialized crawl space repair services tackle issues like moisture, mold, pests, and sagging floors with comprehensive solutions, including full 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 Ravensdale 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 Ravensdale
Cracked, damaged, or uneven concrete can be more than just an eyesore—it can pose a safety risk. These issues often arise from poor soil compaction, freeze-thaw cycles, erosion, or tree roots. Residents of Ravensdale trust us to repair their concrete slabs, sidewalks, patios, and driveways swiftly and efficiently.
TerraFirma provides quick, efficient, and durable concrete leveling and repair solutions for Ravensdale, WA, using state-of-the-art polyurethane foam injection and expert crack sealing.
PolyLevel® Concrete Lifting
PolyLevel uses expanding polyurethane foam to lift and stabilize concrete slabs right here in Ravensdale, WA. This non-invasive solution 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 Ravensdale, WA for industrial buildings, warehouse floors, roads, runways, and rail lines—using the same high-quality systems we trust for residential properties.
Earthquake Retrofitting Ravensdale, WA
Ravensdale, WA, sits within an active seismic region of the Pacific Northwest. Homes constructed before the updated building codes of the 1990s may be particularly at risk. Even a small earthquake can lead to significant issues, such as shifting off foundations or sustaining serious structural damage.
TerraFirma’s earthquake retrofitting services help secure your Ravensdale home to its foundation and strengthen its ability to withstand seismic events.
Upgrading your home with earthquake retrofitting in Ravensdale can lower your insurance premiums and deductibles, plus it may even give you access to coverage options that weren’t available before.
How We Retrofit
Assessment & Planning
In Ravensdale, WA, the retrofitting process starts with a thorough assessment of your building’s current condition. Our professionals, like structural engineers and skilled technicians, will inspect your home to pinpoint any weaknesses and suggest the best solutions.
Our evaluation looks closely at the foundation, walls, roof, and overall structure of your property here in Ravensdale. Afterward, our engineer will create a detailed retrofitting plan tailored to the findings.
Foundation Bolting
Securing the foundation is the next important step for your home in Ravensdale. Our experienced technicians install anchor bolts to firmly connect your house to its foundation, helping to prevent any lateral movement during an earthquake.
In Ravensdale, we improve your foundation by drilling holes and inserting durable steel bolts. Our skilled team then tightens these bolts, reinforcing your structure’s stability and boosting its resilience against seismic activity.
Adding Shear Walls
Shear walls play a crucial role in earthquake retrofitting in Ravensdale, WA, as they help distribute seismic forces and keep buildings safe from collapsing.
Shear walls in Ravensdale homes are usually made from plywood or other durable materials, strategically placed throughout the structure, especially in cripple walls. They enhance the walls’ support and stability, helping to minimize the risk of damage during an earthquake.
Bracing & Reinforcing
Next, we enhance the critical areas of your home in Ravensdale with steel braces and straps. Our team installs these reinforcements to vital structural elements like the roof, walls, and floors. This important step boosts your home’s overall stability, creating a strong framework designed to withstand seismic forces.
Securing Applicances
By securing your appliances, you can create a safer home environment for you and your family in Ravensdale. Anchoring items like water heaters and refrigerators is important, and our technicians can also install protective measures 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 Ravensdale Home Today
At TerraFirma, we’ve spent over 25 years helping homeowners in Ravensdale 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 Ravensdale, WA has its own unique characteristics—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 help enhance your home’s safety, health, and long-term value.
Ravensdale
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.
