TerraFirma
Foundation Repair in Eugene, OR

Built for Eugene homes facing wet winters, shifting soil, and long-term foundation movement.

WHAT CAUSES FOUNDATION PROBLEMS IN EUGENE HOMES?

Eugene homes are heavily affected by the Willamette Valley’s clay-rich soils, prolonged rainy seasons, and fluctuating moisture conditions. As the soil expands during wet winters and contracts during dry summer months, foundations can shift and settle over time.

Common foundation issues throughout Eugene include:

  • Cracked walls and uneven floors
  • Basement moisture and wall movement
  • Crawl space settlement and sagging supports
  • Soil movement caused by seasonal rainfall
  • Aging foundations in older Lane County homes

Since 2005, TerraFirma has helped homeowners throughout Eugene diagnose and repair foundation problems caused by Pacific Northwest soil and weather conditions.

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Schedule a free evaluation

For the soonest available appointments, give us a call!

Why do Eugene Homes develop foundation problems?

Foundation concerns in Eugene are distinct because of the type of soil in the area, climate factors, and age of the existing homes.

The Willamette Valley soil tends to fluctuate moisture levels, contracting in the summer months when it is dry and expanding during the winter months when it is wet. This cycle of movement leads to strain on the foundations and basement walls and crawl space support beams.

In addition, many older homes in Eugene do not have the upgrades made to current building codes, making them susceptible to settling and movement over time.

Eugene’s Soil &
Geology

The vast majority of foundation issues in Eugene can be traced to the soil and groundwater characteristics of the Willamette Valley.


Typical causes of such problems are:

  • Soil composition of heavy clay soils that swell and shrink year-round
  • Difficult soil drainage properties in West Eugene
  • Presence of Malpass clay and perched water tables
  • Saturated soil due to Eugene’s extended rainy season
  • Constant pressure is exerted on the foundations and basement walls

This results in potential foundation settling, cracks, or moving of basement walls in Eugene.

Eugene’s Rainfall & Water Pressure

The moisture level in Eugene puts continual stress on foundations all year round.

Some of the elements that cause foundation issues include:

  • Approximately 46 inches of rain per year
  • Extensive wet periods from fall through spring
  • Wet soil pushing against foundations via hydrostatic pressure
  • Contraction of soil during the dry summer months
  • Continual expansion and contraction under the foundation of the home

Eventually, such moisture levels will result in structural movement in houses in Lane County.

Eugene’s Housing Stock

Elderly properties across Eugene are typically susceptible to many potential structural and foundation problems.

The following problems are frequently encountered within aging properties in Lane County:

  • Foundations with inadequate depths based on current standards
  • Decayed crawl space support structures and wooden structures
  • Poor drainage systems
  • Insufficient moisture-proof protection
  • Susceptibility to settling and movement

As a result of such defects, it is common to see problems like sagging floors and cracked walls develop within the aging property.

Eugene’s Seismic Context

The homes of Eugene and Western Oregon are under constant threat from earthquakes caused by the Cascadia Subduction Zone.

Potential vulnerabilities include the following:

  • Decaying building foundations and framing systems
  • Foundation settlement or shifting
  • Un-reinforced crawlspaces
  • Old homes constructed before modern earthquake building codes
  • Cracked walls or structural movement

While foundation repair is not the same as earthquake retrofitting, ensuring that an old structure remains stable through foundation repair work can go a long way toward improving its performance during an earthquake.

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Foundation
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Wall Stabilization/
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Common Signs of Foundation Problems in Eugene Homes

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When the soil beneath a building’s foundation compresses or shifts unequally, it causes parts of the foundation to sink or settle more than others. This uneven settling commonly results in noticeable sloping or uneven floors.
Foundation Settlement
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Common symptoms of this problem include horizontal or stair step cracking along the foundation wall, diagonal cracks in the corners, crumbling walls and inward bulges.
Look for spalling cracks or delamination which can impact structural integrity.
Cracks in Foundation and Basement Walls
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If your windows and/or doors are sticking, jamming, or your doors have non-functioning locks, you could have a foundation problem. Other common signs include door openings that aren’t square and diagonal cracks at top corners of window and door openings.
Jammed Windows and Sticking Doors
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A leaning or tilting chimney, generally accompanied by cracks where the chimney foundation meets the home foundation. Damage to the roof where flashing meets the chimney, or gaps between the chimney and home walls that have been filled in with mortar, foam, or caulk.
Tilting Chimneys
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Driveways in our region can often become cracked and sunken. Issues with the soil underneath those concrete driveway slabs are usually accompanied by concrete sidewalk cracks and raised sidewalks.
Cracked and Uneven Sidewalks & Driveways
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Water stains on concrete walls are caused by mineral deposits from the water drying on the concrete. Efflorescence stains appear as a white or grayish ash on the wall.
Keep an eye on basement walls getting yellow, orange or black stains as these are all symptoms related to moisture getting in.
These are also signs that soil or hydrostatic pressure outside the foundation walls could lead to foundation failure.
Stained Basement Walls + Efflorescence
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Foundation Settlement

In case the soil under the foundation gets compressed or moves in an unequal manner, it leads to differential settling or sinking of different areas of the foundation. Differential settlement often causes sloping of floors.

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Cracks in Foundation and Basement Walls

The common indicators of this issue include horizontal or stepped cracking of the foundation wall, diagonal cracking at the corners of the walls, and deterioration of the walls with bulging.

One should also consider checking for spalling and delamination.

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Jammed Windows and Sticking Doors

The following symptoms might point to problems with the foundation:

  • Sticking and jamming doors or windows;
  • Non-functioning locks on doors;
  • Door openings not being square;
  • Diagonal cracking in corners above windows and door openings.
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Tilting Chimneys

Tilted chimneys with cracks at the point of contact with the house’s foundation. Damage to the roof where there is contact between the chimney and roof, or any gaps between the chimney structure and the house walls which may have been sealed using mortar, foam, or caulking materials.

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Cracked and Uneven Sidewalks & Driveways

Cracking and sinking are common problems with driveways in our area. Soil problems under concrete driveway slabs typically go hand in hand with concrete walkway cracking and raised walkways.

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Stained Basement Walls + Efflorescence

The water stain marks left by water droplets on concrete walls happen due to mineral accumulation of water. The efflorescence stain is a gray or white substance on the walls.

Basement wall discoloration in shades of yellow, orange or black should be watched out for since they indicate moisture problems.

SEE WHAT YOUR NEIGHBORS
HAVE TO SAY ABOUT US!

At TerraFirma we take pride in our work! We are trusted and referred by homeowners since 2005, to provide solutions for home foundations, basement and crawl space moisture, concrete leveling, and earthquake retrofitting.

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Foundation Repair Solutions for Eugene homes

Foundation Piers

Helical piers are commonly used on Eugene homes built on shifting clay and alluvial soils where traditional shallow foundations can no longer maintain stable support.

Wall Stabilization

Wall stabilization systems help protect Eugene basements from inward wall movement caused by hydrostatic pressure during the Pacific Northwest rainy season.

Schedule a free evaluation

For the soonest available appointments, give us a call!

Uneven Concrete Pathway Repaired with PolyLevel® in Eugene, OR

The property owner, located in Eugene, had problems with sinking and settling concrete slabs adjacent to a back deck.

This problem occurs all throughout Lane County, Oregon, including cities like:

  • Springfield
  • Cottage Grove
  • Junction City
  • Veneta, Creswell

These slabs may eventually settle from heavy rains and soil movement. TerraFirma used PolyLevel® to lift the concrete, as well as NexusPro® joint sealant to provide for an even surface that was also resistant to future settling.

Basketball Court Concrete Repair and Leveling in Eugene, OR and Lane County

A property owner from Eugene, Oregon, called TerraFirma with an interest in leveling a damaged basketball court that suffered from cracking, uneven surfaces, unsealed joints, and weed infestations.

Many homes in the Eugene, OR area suffer from the same problems in neighboring communities like Springfield, Cottage Grove, Junction City, Veneta, and Creswell, where moisture and soil displacement often lead to the deterioration of concrete slabs.

Following inspection, TerraFirma suggested that concrete leveling with PolyLevel® would help level and stabilize the concrete, while applying NexusPro® to protect against any cracks or unsealed joints.

SCHEDULE A FREE EVALUATION
IN EUGENE

5th Street Public Market in Eugene, Oregon

EUGENE Homeowners Frequently Asked Questions

Do I Need a Permit for Foundation Repair in Eugene?

Why Do Eugene Basements Get Wet During Winter?

How Quickly Can TerraFirma Reach Eugene from Roseburg?

Does Clay Soil Affect Foundations in Eugene?

Are Homes in South Hills More Prone to Settlement?

Commercial Foundation Services
to Minimize Downtime & Risk

Our commercial foundation repair solutions are built around the principles of minimal downtime, long-term performance, and efficient use of resources to accomplish the goal. Our services often save money on first-time costs and always save on long-term costs while maximizing property values.

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 Objective Engineering Solutions

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Dedicated Partner Approach

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Choose from Multiple
Solution Options

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Safe, Effective, Experienced
& Trained Crews

TERRAFIRMA IN EUGENE

With 20 years of experience tackling foundation repairs and waterproofing across Oregon, we’ve seen
just about everything. Dive into our blog for some great homeowner tips, insightful case studies, and
impressive before & after galleries showcasing our work.

Homeowners across Eugene have relied on TerraFirma for their foundaton leveling and stabilizing, including the South Hills, Whiteaker, College Hill, River Road, Bethel, Cal Young, and Santa Clara neighborhoods, as well as nearby Springfield, Coburg, Veneta, and Junction City.

TERRAFIRMA’S WORK IN EUGENE & SPRINGFIELD

We’ve been crawling under dusty, damp, settling homes in Eugene, Springfield, and across Lane County for over 20 years.
Check out some of our homes repaired in Lane County, including the South Hills, Whiteaker, College Hill, River Road, Bethel, Cal Young, and Santa Clara neighborhoods, as well as nearby Springfield, Coburg, Veneta, and Junction Cityand the surrounding areas. We’ve also added some of our favorite homeowner tips, written specifically for Emerald Valley soils and rains.

EUGENE
Homeowner
REVIEWS

Don’t take our word for it – see what our clients have to say.
From Roseburg to Eugene, Portland to Seattle, our Foundation Repair work speaks for itself

The experience was great from start to finish! The repairs made were better than expected. The cost was half that of a local competitors bid.
Solidified the garage, left no mess, courteous.
These very professional young gentleman did an outstanding job above and beyond what I had expected. The fact that they could fix my concrete slab save me 10 grand in tearing it out and doing it all over. I would recommend these guys in a heartbeat!
Quinten, the service technician, did an amazing job of servicing the pumps and the dehumidifier, he thoroughly inspected the encapsulation system as well. He is very knowledgeable about the whole system and answered my questions. He gave some options for 'shipshape' warning system as well as 'Aspen Air 'purifier' both of which I intend to move forward with. Your company is fortunate to have hired this quality of personnel. I am equally satisfied with the original encapsulation crew.
Actually came earlier than scheduled. They worked quickly and efficiently. Quality workmanship. We would hire them again for needed work.
Had large cracks and some sinking on back patio. Terra Firma did a very nice job of raising the concrete on my back patio and patching the cracks. Would recommend them for this kind of work.
The crew were on time, introduced themselves and made sure that we were all on the same page as far as what they were doing. Lifted the back patio up and leveled the sidewalk to martch. Looks great! Did a good job of cleaning up. I would reccomend them for any type of concrete lifting. Thanks guys!
I would have given 5 stars but the crew did not remove the excess fill that came out the sides of my porch. When I called and asked about this, I was told to just take a knife to it and remove it. I can most definitely do this, but I just paid a good amount of money for a complete job. I am not so thrilled about this.
Fast and easy quote, work was top notch and professional!
Fantastic job leveling out settled patio concrete slabs. Very efficient work done in about 4 hours. One area had a 2” trip hazard between slabs, now nothing! 5 year guarantee but should last 80 years
We have a lot of exposed aggregate concrete with many of the pieces that had become off level after 40 years. Terra Firma was the most cost effective option available to level out the existing concrete. I met with their representative and walked through the project. On the scheduled date they showed up on time and spent most the day working to level and adjust the concrete which worked on 98% of the pieces; I knew there may be some pieces that may not be able to be corrected and I accepted that premise going in. The crew worked diligently and did a great job overall! Total material used (foam) was more than had been contracted but Terra Firma agreed to split the difference with me to reduce that extra cost which I thought was a generous offer. I highly recommend Terra Firma for concrete leveling services!
Very professional and hardworking company. Timely communication and they stand behind their work!

TerraFirma
Roseburg Office

7700 Old Hwy 99 N
Roseburg, OR 97470

Hours: Monday – Friday, 8am-5pm

Portland’s Top Rated Foundation & Basement Contractors

Foundation cracks? Support posts sagging? Walls bowing? With TerraFirma‘s team of experts we can fix it!

CRAWLSPACES & BASEMENTS – Crawlspaces are gross. Basements get wet. We’ll make sure they are stable, safe and dry.
FOUNDATIONS & RETAINING WALLS – We can stabilize, waterproof, level your foundation, or even retrofit it for earthquakes.
CONCRETE – It cracks, it sinks, and we can fix that. Whether it needs a patch or a lift we got you.

We want to make your home dry, stable, and safe. TerraFirma has waterproofed basements for over 20 years from Lake Oswego to Beaverton, and Hillsboro to Gresham. Backed by the best warranty in the business.

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    Foundation Evaluation

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    Foundation Evaluation