Why wait? Have your concrete raised!


Concrete raising and leveling is quick, non destructive, preserves the look of existing concrete and is much less costly than replacement. So why wait?

Of those who call 1-855-752-2522 for an estimate most have us make the repair, but of the jobs we do, we see ten others in the same neighborhood that never call, why?

Many people have never heard about Slabjacking. This process has been in existence since the nineteen thirties where they pumped a mud slurry under the concrete to hydraulically lift the slab. While most in the industry still use this method, 1-855-752-2522 uses superior equipment, materials and methods. Today’s Slabjacking is so superior to mudjacking that you may not even be able to tell we were there with the exception of your concrete being level.

People may think their landscaping may be destroyed. With superior equipment and materials comes better methods. Unlike mudjackings large mixing trucks and heavy hoppers, 1-855-752-2522 simply brings a self-contained trailer to your site and pulls a hose from the trailer to inject material under the concrete.

People may think the concrete will look bad if holes are drilled in their concrete. For those who have had mudjacking done and were not happy with the 2″ holes and poorly matching material used for patching those huge holes, 1-855-752-2522 has great news, we drill far fewer holes and the holes we drill are 5/8″ about the size of a penny. We also have two different tints and match color for those with colored concrete. We also match, almost perfectly, exposed aggregate.

Finally, people think they can’t afford it. While everyone has to determine for themselves what they can afford, Slabjacking is typically 1/4 to 1/2 the cost of replacement. We also offer free, no pressure estimates and let you decide if it is right for you.

1-855-752-2522 wants to be the easiest company to do business with. We accept Visa, Master Card, Checks and do short-term financing in-house.


Considering the purchase of a home with settled concrete?


One of the things we do is raise settled concrete for folks preparing to sell their home.

Why homeowners wait to raise their settled concrete will be the next topic I discuss in this blog.

If you are in the market for a new home, one of the deficiencies you may come across is sunken or settled concrete. Having this concrete raised prior to your purchase should be something you demand as a condition of purchasing the property, when you have leverage.

In most cases raising settled concrete is a quick, fairly inexpensive job. There are some areas that are more technical and challenging, such as around pool decks or large entries with columns or superstructures built on top of concrete slabs, but for most walks and patios it’s a two or three hour job

The last thing you want to find out after the fact, is that the pool deck is beyond repair and needs to be replaced at a cost of $5-$10,000 so ask the listing agent to call the concrete raising and leveling professionals 1-855-752-2522, and we will raise the settled concrete BEFORE you buy your new home.


Superior technology, Superior polymers, Superior results.


Expansive soils equals settled concrete

Slabjack Geotechnical
Slabjack Geotechnical

Do you have slabs that seem to rise and fall with the seasons?  Then you are likely dealing with expansive soils, in our area, generally clay. Much of the United States has expansive clays to a greater or lesser degree.

In a typical year in the United States, expansive soils cause a greater financial loss than earthquakes, floods, hurricanes and tornadoes combined.

Clay in and of itself isn’t the problem, the problem is the change in moisture content.  If the moisture content stays the same no swelling or shrinkage will happen.  In Washington State, and in particular Easter Washington, we have four seasons where we can expect cold wet winters followed by warm dry summers.

When we combine expansive soils and wet winters followed by dry, hot summers, heaving and settling are to be expected.

I personally have one section of my driveway that magically rises from the ground about 3/4″ each spring and as the ground dries, settles back down.  Not surprisingly it is on bare soil with no gravel bed.

Some people call to tell us their slabs used to rise and fall, but now they are staying up, why?  First let’s try to eliminate the issue.  In my case the section that rises and falls is the lowest of six driveway panels, water seeps between the expansion joint when it rains or snow melts, (I really should seal that joint) saturating the underling soils causing expansion.  As the summer heat comes on, the soils dry allowing the slab to settle.  To reduce heaving and settling, seal all expansion joints on your concrete. A good, inexpensive product is Sika brand (Home Depot) or Quickrete brand (Lowes) polyurethane caulking.

If slabs are not resettling as they used to, then two issues may be in play;  first, debris washes under slabs which cause the slab to remain high, this is very common. Second, you may be over watering your soil keeping it saturated and swollen.

When expansive soils shrink, fissures can open up which allow water to run off and carry away soils, causing settled concrete slabs along with cracked and damaged driveways, porches and patios.

The key to building on these type of soils is to insulate concrete as much as possible from the soils. Gravel should be used as a foundation in the construction of driveways and walks.  Caulking along seams and  joints and along foundation walls minimizes water penetration under slabs and, especially important to basements, making sure concrete slabs are not settling toward foundation walls draining water along the basement walls.

If you have sunken and settled concrete call the concrete raising and leveling professionals 1-855-752-2522, for a no cost, no pressure estimate to have your damaged concrete raised back to proper grade, using state of the art Geo-Polymer injection technology.

Superior equipment, superior Polymers, superior Training, producing superior results.


Full article found here http://www.geology.com/articles/expansive-soil.shtml“>http://www.geology.com/articles/expansive-soil.shtml“>www.geology.com/articles/expansive-soil.shtml

The problem with pools.


Pools, what a great way to spend a lazy summer day. Kids and Grand Kids enjoying the water, friends over for a pool party as you BBQ Ribs or Burgers, or just a relaxing evening enjoying the crystal clear water as the sun goes down. Having your own pool is a dream come true for many families, one that can build unity and be a gathering spot for family and friends for years, even generations to come.

Then there is the cost and hassle of chemicals and maintenance, all of which pales compared to the nightmare of settling pool decks. At 1-855-752-2522 we’ve about seen it all. Here are some things to know about settled pool slabs;

How we approach settled concrete slabs around pools varies with the type of pool, be it Gunite, Fiberglass or Vinyl.

Let’s first discuss Concrete or Gunite Pools;  these pools have the most robust construction of the three and are considered the safest to work on, having been constructed of a special concrete reinforced with rebar.

Typical deck construction on Gunite pools is to lay the deck over the top of the vertical wall of the pool, which is then caulked with waterproof pool caulking. This method leaves a very clean look with no bullnose tile to be found, though for aesthetics they can be used.

Settling occurs two ways. First, over time the caulking seal fails, allowing water penetration which leads to the compaction of fill dirt under the deck and along the walls of the pool, which over time, caves the soil in toward the pool and gradually leads to “pivoting” of the concrete deck.

The second area is on the outer side of the deck, where the deck meets grass. This settles slightly as water saturates the soils along the edge of the deck and grass junction. As this settles ever so slightly the slab pivots, opening up the caulk line allowing water to again, penetrate and further saturate and compact soils.

We have two good views and a video of a pool deck “pivoting” at www.SlabjackGeotechnical.com in the before and after pictures section as well as in the video section.

The diagnosis – if we were to completely lift the slab off the side of the pool you would find large voids along the pool, with the largest at the edge of the pool, even though the settling appears to be on the opposite, or grass side of the deck.

The cure – while the safest of the three, due to its robust construction, Slabjacking can exert tremendous pressures, thousands of pounds per square foot in some circumstances, not something we wish to have against the side of a pool. 1-855-752-2522 uses a hydrophobic Polymer (waterproof) that is injected and allowed to flow into the voids along the pool, consolidating loose soils and filling voids. This Polymer is very light, only four pounds per cubic foot but extremely dense so it is much safer than pumping a slurry which weighs between 100-140lbs per cubic foot against your pool. After these voids are filled any settling is taken care of on the opposite side of the slab.

Fiberglass and Vinyl pools are much less robust and as such, are approached much differently than concrete/Gunite pools. Due to the flexible nature of Fiberglass, and especially Vinyl pools, we do not attempt to fill voids along the vertical walls, doing so could bulge the pool walls and there would be nothing we could do about it after the fact. We will raise decks settled toward these pools only after extensive testing and then only with a disclaimer in the contract. Decks settled away from these pools are generally safe to raise and pose minimal risk of damage to the pool itself.

When it comes time to raise your pool deck call the concrete raising and leveling professionals 1-855-752-2522. Whether a Residential, Commercial or a Municipal pool, Slabjack Geotechnical is the right call – superior Equipment, superior Polymers, superior training, produces superior results.


Tips for builders


Home builders, do you want to avoid dissatisfied clients with regard to sunken and settled concrete? Here’s how.

Follow industry guidelines for compaction. Yes I know these are not enforced but they are a sure way to nearly eliminate all settling. It costs to do compaction according to industry standards, it costs to take the tests and document the results, however by doing this you insure the end user, the homeowner a superior product. Advertise it, let potential clients know you provide a service that virtually no one else does. Quality sells.

Do not pour concrete on unprepared top soil. All concrete should be poured over at least four inches of compacted gravel. Concrete is porous, water moves through it fairly quickly, if all it has is soil to drain into, and that soil is clay (which is expansive) the slabs will heave with the moisture and crack. Compacted gravel allows water to drain safely away.

Don’t saw cut control joints, form them into the concrete. We have found virtually all control joints which are saw cut, are not of sufficient depth to work as intended. Conversely, we have found formed control joints nearly always perform as intended.

Use rebar. In most cases concrete will crack, whether due to shrinkage, thermal (expansive soils) or dynamic loads. Rebar allows concrete to crack without causing the slab to dislocate vertically or horizontally. A cracked slab with rebar can always be Slabjacked, without rebar it is much trickier to align the slabs perfectly.

Pin horizontal slabs to vertical walls with 5/8″ rebar when possible. Driveways to garage foundations. Patios to foundation walls. Garage floors to foundation walls. Yes it is more work, but when coupled with proper compaction, provides an added element of stability for the slabs.

Provide a foundation or at a minimum, Sonotubes, under all entries which are more than a simple 4″ to 6″slab. Blueprints rarely specify the type of entry, rather this is dictated by slop of the land and personal preference, as a result the architect does not draw a foundation for this section of the house. We recommend all concrete entries have a foundation or at a minimum, Sonotubes of ample size, tied into the entry with rebar to support the weight anticipated.

All step up entries, all entries with columns, or those that act as support for any superstructure need to be extremely stable, in addition to the above we also recommend pinning with 5/8″ rebar every three feet to the foundation wall.

Backfill all slabs which will be in excess of 8″. A small entry of six by seven with two steps, if poured without backfill will weigh in excess of five tons and requires over three cubic yards of concrete. Poorly compacted fill simply cannot support this load and will settle until sufficient bearing loads are reached. This may be one inch, it may be a foot.

Don’t make the addition of gutters and down spouts an option, install them on every house you build. Plan for the elimination of water away from foundations walls at least five feet and slope soils well away from foundations, this will not only keep any basements dry but will greatly reduce settling concrete slabs.

Finally, if you are dealing with settling concrete on a job, call the concrete raising professionals 1-855-752-2522 – 1-855-752-2522

Superior technology, superior polymers, superior training, produces superior results.


Giving back.


One of the best things you can do for yourself is to do something for someone else. There is something about serving others that makes us happier with life.

Welcome a new neighbor with a plate of cookies, donate some time at a homeless shelter, visit an elderly neighbor, befriend a lonely child. “In as much as ye have done it unto one of the least of these my brethren ye have done it unto me” whether you are Christian or not, living the golden rule is a key to a well lived life.

I’m sure a lot of you had or have Parents like I did. Growing up in the 1920’s and ’30’s like they did, service was expected of everyone in the community, and kids were taught at a early age to not only work, but to be good neighbors too.

I don’t think my Father could have heard a better compliment of one of his seven children than “your kids know how to work” I think that said as much about him as us. Early in his life my Dad owned a full service Dairy. He milked the herd, pasteurized the milk and then delivered It.  Because of the nature of such a profession he worked for seven years straight, without a single day off!

My folks grew up during the depression, as a child I was expected to “finish my plate” and “turn off the lights” my older brother jokes that Dad may have invented copper wire because he could stretch a penny so far. My Mom wasn’t going to be outdone, she bought the “special today” meat, and once tried to pass off sour milk, concealed, as it was, as chocolate. (Failed miserably)  Overall though, I had great parents and have been richly blessed by the lessons and values they instilled in me.

At 1-855-752-2522 concrete raising, we love the communities in which we work. We live here, we shop here and we want to give back to those who have made us a success.

For the 2014 year we are donating two free concrete lifting jobs.

The first is a drawing open to anyone who attends one of the home shows we are in this year, for dates go to www.SlabjackGeotechnical.com (go to events to find when the show dates are for your area) Spokane, Tri-Cities, Wenatchee and Yakima. (Value up to $500) Drawing to be held 4/15/2014

The second is open to Non-profit organizations and Veterans. (Value up to $750) if you know a Veteran, or you yourself are one and need your concrete leveled, please fill our the bid request form on our web site noting you are a Veteran, and forward this blog to other Vets you know. This drawing will be held 7/30/2014

Commit to doing a random act of kindness this week, then get out of your comfort zone and volunteer, you will not regret it.

Jerald Sargent


Superior technology, Superior polymers, Superior results.

Guesstimate or Estimate?


Unlike a retail store where the final production costs are known and the price is set, the construction trades deal with a host of unknown variables, this is why we provide “estimates”  that take into account all the know issues and attempt to foresee any problems that may crop up throughout the project.

What can you expect from 1-855-752-2522 concrete leveling?

After determining you would like your settled concrete raised, there are several ways to request an estimate. The most common is to simply call our phone number. You may also fill out a bid request form  on our web site www.SlabjackGeotechnical.com and we will contact you. You can also fill out a bid request at one of the home shows we display in each spring. (For home show information in your area please see our “news and events” section on our web site)

The bid form is very short and includes the following information; name, phone number, address, email and nature of problem. Email information is gathered only because estimates are sent when possible, via email.

When we arrive at your location we will take pictures and measurements of the settled slabs, note any structural deficiencies in them and note anything that may alter the standard calculations we use in figuring the estimate. (More about this below)

The measurements taken are entered into our estimating software which calculates the amount of material we will need for your job.

1-855-752-2522 uses the most advanced software in the industry today for generating  accurate estimates for concrete raising.

The calculations are based on the measurements entered.   Length times width times number of inches settled and whether the entire slab has settled or just one side or a  corner.   In a perfect world that would be all the information we would need, and for most settled concrete slabs, it is.

Experience tells us however, when to anticipate additional material usage.  Horizontal Slabs that meet vertical walls such as garages and stoops/entries can often have voids under and along the foundation, sometimes substantial in size. These must be filled prior to lift being generated.  Entries that were poured solid and are of extreme thickness (we have seen concrete entries in excess of thirty inches thick) or that have weak soils as support, may need significantly more material than the calculation shows .

While we can, and do inform you of the potential for material overages, and make adjustments on the estimate to compensate for obvious problems, we cannot foresee everything that may lead to a material overage.

Because of this, we have priced any additional material used beyond the estimate at cost (less than half price) This potential cost is shown clearly on the estimate as a set price per pound.

Our estimate includes a summary page detailing what sections are to be lifted, the work to be performed on each section, the total amount of material included in the estimate and the price for each section raised along with a grand total for the entire job including sales tax. Additionally the summary page includes the materials overage clause, terms and conditions and a signature line if accepted.

Secondary pages detail each section, a picture of the section in question and material estimate for that section.

In order to begin work we need either a signed copy of the estimate or an approval via email. If we are doing the job the same day as the estimate and it is impractical to do the preceding we will have you sign a statement agreeing to the terms and conditions of the electronic estimate.

Call 1-855-752-2522 concrete raising today for a no cost, no pressure estimate.


Superior technology, Superior polymers, Superior results.

Concrete benders?


One of the lines we use is “drill, inject, patch”. While simple in theory, the practical application of raising concrete is substantially more technical.

One of the comments we often hear from clients as we give an estimate is “I just need this one corner raised” – if only we were concrete benders.

Concrete has a couple of properties, it is really hard and it is quite ridged. Because of its rigidity it won’t bend much, which makes raising only one corner impossible. We can raise one side or the other, or we can raise the whole slab.

Hold something square or rectangular in your hand, a cell phone for example, and try to raise one corner without effecting the other sides of the “slab” you will find it is impossible.

Often, as concrete settles, adjoining slabs settle too which gives the appearance of a corner having settled independently, this is not possible.

The proper solution to the “corner down” situation is raising the adjoining slabs along with the offending corner. Only when the corner is raised do we see the degree off misalignment with the other slabs.

The opposite side of the “corner down” is the “corner up” often caused by a tree root. The solution is the same with one additional option for repair. As a tree root heaves a slab it lifts one corner, with lesser lift along two other edges, or it raises an entire side, depending on where the root is located in relation to the side of the slab. First we level the slab being heaved by the root and then we raise the adjoining slabs to create a trip free transition up and over the root. It is important to then cut the root so future growth will not continue to lift the slab.

The second option it to grind off the offending trips. While not as aesthetically pleasing, this is an option for the budget minded consumer. 1-855-752-2522 has hand held and walk behind grinders for jobs large and small.

Experience is the key to seeing beyond the simple “corner down” or “corner up” to the greater issues at hand.

For superior concrete raising, call the concrete raising and leveling professionals today, 1-855-752-2522.


Mother used to say “An ounce of Prevention is worth a pound of cure”


When we are called out to bid a job, the damage, as they say, is already done.  In this post we will be discussing the cause of most settling and what you can do to insure your slabs remain stable after we leave.

There are two primary issues that cause concrete to settle and they are often related;  soil compaction and excess water.  If you have settled concrete you likely have one or both of these problems, so, what to do?

Let’s discuss the first issue, compaction.  After the home is built it is nearly impossible to effect the deeper layers of the earth around your home so unfortunately, if your builder failed to compact, which is the rule not the exception, time will have to take its toll.  Typically the major settling will take place in the first two or three years and by year seven or so, you’re generally finished with the worst of it.

The second issue, dealing with excess water, can be  frustrating, especially if no thought was put into dealing with the inevitable rain and snow melt when the home was being built.   So, what can be done after the fact?

1) Install gutters and down spouts.  Down spouts should be directed at least five feet away from foundation walls and from walks and other concrete slabs.   Of all the slabs we raise, the most common is the one right in front of the entry.  Why?  A down spout, or roof design is nearly always dumping water at that point.

2) Do not plant bushes or sod near foundation walls or sidewalk slabs.  A good rule of thumb is to allow five feet between the foundations and plantings and two feet between walks and plantings. Plantings too close to walks or along foundation walls, cause root issues, erosion issues, and compaction issues.  A Slabjackers paradise!  Something to remember, most trees and bushes have a root system that is 50% larger than the width of the canopy.  That nice looking Japanese Maple that is nearly touching your eve has roots extending along your foundation and under your sidewalk. Water follows the roots and before long you have voids that further take top soils away and settling is well on its way.  For an interesting example of what roots can do to a driveway, go to our web site www.SlabjackGeotechnical.com and in the before and after pictures look at the driveway photo. (We had to raise three additional slabs to match the one that was raised)

3) Maintain fill along slabs, fill in any erosion you see prior to settling occurring and if all else fails, call us when the settling starts, before cracks develop, to raise and stabilize your slabs.

4) Give your sod and plantings the absolute minimum amount of water to keep them healthy.  Turn your sprinklers down until the sod begins to suffer then turn it up slightly.  Too much water cause funguses, such as necrotic ring spot and mushrooms to grow and some soils such as clay, allow concrete slabs to settle because water saturates, then drains very slowly through them.  A good example of this is a job we did in the Wenatchee area;  a sidewalk was settling, inspection showed fully saturated clay down to a depth of over six feet!  We could literally stick a probe two feet into the ground with one hand!  We advised the home owner to turn off her water for a week and to reduce the timer to ten minutes on that zone verses the forty minutes it was programmed for. Too often what sod needs is nitrogen and it keeps getting more water because “it isn’t green enough”

The key to stable concrete is a stable base, you can’t do much about compaction after the fact but you can reduce waters role in the equation. Plant well away from foundation walls and walks, reduce sprinkler timers to only what is needed. If water is pooling you may have clay soils and need to further reduce watering. If flooding occurs or you notice soils have washed out along slabs, replace the fill as soon as possible.  Finally if you notice settling call the concrete raising and leveling professionals 1-855-752-2522, the answer to settled and sunken concrete all across Eastern and Central Washington.


Superior technology, Superior polymers, Superior results.

What are the differences in concrete raising geo-polymers?


There are numerous Polymers on the market, some are very light weight, as light as 1/2lb per cubic foot and are typically used for insulation.  Other insulation foams can run as high as 2lbs per cubic foot, neither type of insulation foam provides satisfactory results for Slabjacking or Concrete Raising, though some spray foam contractors and ‘fly by night’ Slabjack Contractors may try to convince you otherwise.

Most of the general purpose lifting foams are in the range of 2-3.5lbs per cubic foot and are acceptable for walks, drives etc…

The better Geo-Polymers are even more dense and can support many thousands of pounds per square foot.  This is important, many times entry porches are poured solid and what may look like a simple six by six porch with two steps can weigh in excess of five tons and hold three cubic yards of concrete.

The best polymers are in excess of 3.5lbs per cubic foot and are fully hydrophobic, this means they are not effected by water, will set up completely in saturated soils and are impervious to pests, deterioration and compression.

Sadly, the majority of Slabjackers using this technology are using a very lightweight general purpose polymer, typically two pounds per cubic foot. While this is adequate for walks, we feel it is not up to the task of thick entry patios with large brick columns and/or super structures build on top of the slab.

1-855-752-2522 uses what we believe is the finest Polymer on the market today, RR401G. This fully Hydrophobic Polymer, weighs 4lb per cubic foot and is D.O.T. (Department of Transportation) approved, having undergone the rigorous approval process and is even tinted to match concrete.  For an interesting video go to our web site www.SlabjackGeotechnical.com and view the RR401g foam demonstration video posted there.  You will see something no wall foam or cheap substitute can do.  As a side benefit it is made of recycled plastic bottles, and is currently undergoing “green” certification.

Only by combining state of the art machinery, the finest Geo-Polymers, and a staff trained exclusively in Slabjacking, can superior results be expected. Slabjack Geotechnical is that company in Washington State and Northern Idaho.

Call 1-855-752-2522 for a no cost, no pressure, estimate today.