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Cracked Concrete Repair
Cracked Concrete Repair is our specialty, our Concrete Crack Repair specialist team will come to your property free of charge.
First they will inspect your concrete to identify any possible Concrete Spalling issues.
Then we will offer a free, no-obligation quote to repair your concrete of all Concrete Cancer issues identified.
Removing the Concrete Spalling completely.
Allowing you to have a fresh and safe concrete slab repaired of all Concrete Cracks, our team specializes in Cracked Concrete Repair.
They are fully qualified, licensed, insured & trusted throughout Australia.
We Will Beat All Of Our Competitors Quotes By Up To 30%*
We Will NEVER… EVER Be Beaten On Price At Cracked Concrete Repair Sydney
FREE QUOTE CALL OR TEXT 0424 408 330
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QUOTE
We’ll Beat ALL Quotes By Up To 30%
Conditions apply. *Cannot be used in conjunction with any other offer.
FREE PRICE BEAT GUARANTEE
QUOTE
We’ll Beat ALL Quotes By Up To 30%
Conditions apply. *Cannot be used in conjunction with any other offer.
Cracked Concrete Repair
Cracked Concrete Repair
Can You Fix Cracked Concrete?
Wide cracks in concrete are best patched and sealed with a concrete patching compound. Smaller cracks, less than 1/4 inch wide, can be repaired with a concrete caulk or liquid filler. Patching compounds typically are mixed with water and applied with a trowel. They have a texture similar to grout and can be smoothed and textured to blend with the surrounding area. However, the color of the patch will look like new concrete and will not match the old concrete. Hiding the patch completely requires painting the surface with appropriate concrete paint.
How Do I Stop My Concrete Cracking?
Quality
Concrete is defined as a mixture of sand, aggregate, and water. Aggregate is a composite of gravel, crushed stone, synthetic materials, slag, and other recycled substances. The quality of concrete has to do with the ratio of sand to aggregate and water. Too much or too little of either of these substances will result in poor quality concrete. Concrete is mixed together with a lime-based cement to form a malleable putty so that it can be worked into any shape. To enhance the durability of the concrete, additives can be thrown into the mixture before it is poured to make it more flexible and reduce its chances of cracking.
Curing
Curing is the period during which concrete obtains its strength and durability. 90% of concrete’s strength is acquired during the first four weeks after it is poured. The three factors which affect this process are hydration, temperature, and humidity. To ensure full hydration during curing, concrete slabs are usually sprayed with a hydrophobic wax film to keep moisture in. More traditional techniques involve spraying the concrete with water and wrapping it with plastic to get a similar effect.
Rebar Corrosion
The remaining 10% of the concrete’s strength is achieved over the years or even decades. The absorption of carbon-dioxide strengthens the concrete and makes it more resistant to damage, however, it also becomes more acidic which can corrode steel reinforcement bars; otherwise known as rebar corrosion, Concrete Spalling & Concrete Cancer. The steel will expand while it is corroding which can cause the concrete to crack under pressure.
Reinforced Concrete
The most common form of concrete is ‘reinforced concrete’ which contains a steel framework or mesh. Concrete has a relatively high compressive strength but a significantly lower tensile strength. In other words, it is weaker when stretched out and stronger when compact. Steel, on the other hand, has a high tensile strength which compensates for concrete’s lack of tensile strength. Steel rebar, therefore, allows concrete to be stretched out in thinner layers. It is better for reinforced concrete to crack when stretched out rather than compressed because the steel reinforcement will hold it together, for example on a bridge.
How Does Concrete Crack Repair Work?
Concrete can crack for almost any reason. Carpet Removal Sydney is committed to properly investigating the cause of your concrete cracks. Not only do we repair the damage but we also prevent future damage from occurring.
Firstly, it is important to understand that the quality of your concrete and the way it is cured will affect its resistance to cracking. The quality of your concrete has a direct impact on its durability and the curing process will affect its strength. Therefore we believe in using the highest quality materials and methods to repair your concrete cracks.
We use the latest technologies and practices to diagnose the causes of concrete cracking. These could be chemical, environmental, physical, bacterial, thermal or even from radiation. The selection of the appropriate approach will depend on the cause of the initial damage.
Depending on if the concrete cracking is narrow or wide, different methods are used:
How to Repair Wide Concrete Cracks
1. The secret to fixing wide Concrete Cracks is to undercut the sides of the crack to give it an inverted “V” shape. This helps the repair material to “key” into the crack, creating a mechanical bond in addition to the chemical bond between the patch material and the concrete.
2. Chisel the Cracked Concrete with a hammer and masonry chisel to widen the base of the crack and to dislodge any loose material from the old concrete.
3. Remove all debris from the crack, using a wire brush. If desired, clean the crack with a pressure washer or a garden hose and spray nozzle.
4. Remove all water and debris from the crack with a wet/dry shop vacuum or a brush. Work carefully to remove all dust and grit from the Concrete Crack. It’s Okay if the surfaces are wet, but there should be no pools of water.
5. Mix the concrete patching compound, following the manufacturer’s directions.
6. Trowel the compound into the Cracked Concrete. Stab the trowel into the compound to remove air pockets and help work the patching material deep into the crack. Fill the Concrete Crack up to the surrounding concrete surface.
7. Smooth the surface of the patch with the trowel, feathering the compound into the surrounding concrete.
8. Brush the surface of the patching compound with a dry paintbrush to texture the surface, if desired.
9. Let the compound cure as directed.
10. Paint or seal the surface of the patch and surrounding area, if desired.
How to Repair Narrow Concrete Cracks
Narrow Concrete Cracks can be filled using masonry crack elastomeric filler that can be applied with a caulking gun. Very small cracks, such as hairline cracks, can be repaired using a vinyl concrete patching compound applied over the crack and then smoothed with a putty knife or trowel. For hairline cracks, applying repair caulk or crack filler over the cracks usually is not effective, as the caulk tends to peel off of the surface over time.
Narrow Concrete Cracks can be deep, often extending through the entire thickness of the concrete slab. Therefore, it’s a good idea to start the repair by stuffing foam backer rod into the Concrete Crack to create a base to hold the repair material. The backer rod is solid in a variety of sizes; use a rod diameter that is slightly larger than the width of the crack. Stuff the backer rod into the Cracked Concrete with a screwdriver to a depth of 1/4 inch. Fill the Cracked Concrete with the repair material, following the manufacturer’s directions.
Types Of Concrete Cracks
Chemical
Carbonation over a long period of time concrete will absorb carbon dioxide from the air which causes a chemical reaction with lime in the cement, yielding more acidic concrete. This causes the steel reinforcement bars to rust and expand, the force of which will eventually crack the concrete. It can be tested for using a pH indicator.
Chlorides
Chlorides shorten the setting time of concrete, however, they leach calcium hydroxide leading to a loss of strength which in turn affects the durability of the concrete leading to early failure.
Sulfates
Examples include ‘acid rain’ and ‘crown rot corrosion’ in sewers.
Leaching
When water flows through the cracks in concrete, dissolving minerals and carrying them to other places forming lumps at the outer surface.
Decalcification
The leaching of calcium hydroxide from concrete cracks can facilitate the growth of ‘calthemites’ which mimic the appearance of stalactites in caves.
Environmental
Seawater & wind, Concrete exposed to seawater is more susceptible to corrosion and erosion. Wind also plays a role in erosion.
Bacterial
Bacteria themselves do not have a noticeable effect on concrete, however, they do play a role in ‘crown rot corrosion’ in untreated sewer waters.
Physical
Earthquakes, tremors and other sources of vibration are likely to impact the structural integrity of the concrete.
Thermal
Fire will expose the concrete to gasses, acids, salts, and liquids that can be damaging.
Radiation
Exposure to neutrons, gamma radiation and high-flux material testing reactors in nuclear power plants other radiation zones can cause concrete to become unstable.
To obtain a Free Price Beat Guarantee Quote from Sydney’s #1 Concrete Crack Repair team simply fill out our:
Free Online Quote Form!
You can also contact us directly on:
0424 408 330
Or email us at:
Enquiries@CarpetRemovalSydney.com.au
For a free quote & site inspection today.
We will ALWAYS Beat All Of Our Competitors Quotes By Up To 30%*
Our Promise To You
We specialise in delivering Concrete Crack Repair solutions to the residential, commercial, industrial and civil sectors throughout Sydney. No job is too big or too small. We’ve built our reputation based on quality workmanship, efficient service, and value for money.
We offer the best prices in Sydney on all Cracked Concrete Repair jobs while maintaining a professional, fast and efficient service for all our clients.
We will repair your Cracked Concrete to make sure that the foundation and structure of the building are safe, Our team has over 35 years of experience combined with the most skilled and also the most professional Concrete Crack Repair team that Sydney has to offer.
These are two of the many reasons that we are known for and often referred to as the best Cracked Concrete Repair assessment team in Sydney, our concrete teams are trained, certified and insured to work on residential properties, large commercial projects and construction sites.
Hire our specialist team with over 35 years of experience and all the trucks and heavy power tools needed to get the job done quickly, efficiently and affordable.
We’re looking forward to extending to you the same quality results that we’ve become known for throughout the industry.
To obtain a Free Price Beat Guarantee Quote from Sydney’s #1 Concrete Crack Repair team simply fill out our:
Free Online Quote Form!
You can also contact us directly on:
0424 408 330
Or email us at:
Enquiries@CarpetRemovalSydney.com.au
for a free quote & site inspection today.
We will ALWAYS Beat All Of Our Competitors Quotes By Up To 30%*
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TESTIMONIALS
“Excellent service from the team at Carpet Removal Sydney. Will definitely use their services again, was absolutely amazed at how much money I saved going through Carpet Removal Sydney instead of going through Carpet Court.”
“The boys at Carpet Removal Sydney went out of their way to help me so much as I wasn’t able to move a lot of the furniture myself as my back isn’t great. I also saved over $400 getting the carpet removed by these guys! Would recommend, thanks again!”
“The boys at Carpet Removal Sydney also did an absolutely amazing job with the removal as well as the installation of my carpet as well after it was flooded by my dishwasher overnight. Called them up at 6 pm, they were also there the next day and completed the take up the same day! Really happy with the result.”
“I always recommend Carpet Removal Sydney when a tenant moves out of one of our properties if the carpet needs to be replaced. They always do an amazing job, leave the property clean and save our clients hundreds and sometimes even thousands.”
“Was completely gobsmacked at the quotes that I got from 3 other company’s on the northern beaches and how outrageously high they were just to remove the carpet in a shop I had recently purchased. So it was such a relief when my friend recommended I try out Carpet Removal Sydney and I ended up saving over $3,000, Thanks again!”
“I had absolutely no idea what to do when we had a pipe burst in our property, but thankfully Carpet Removal Sydney had a 24-hour emergency assistance team that did an absolutely amazing job with the removal of the carpet that had been completely soaked, called them up at 2 am on a Tuesday and they were here within 30minutes. Couldn’t be happier with their services!”
“You were very professional, well dressed, well mannered and quick. I will recommend your services to our friends. Thanks again!”
“Thanks again for your help guys, I really appreciate you coming so far to do such a small job”
“Can’t argue with cheapest prices, best customer services, and same day service! very impressed!”
“I was shocked when I had realised that my daughter had spilled my paint set all over my new carpet in my rental property, had no idea what to do, everything I tried failed, gave Carpet Removal Sydney a quick call and they gave me free advice over the phone, with no charge that actually worked! Thank you so much!”
“Very impressed with your team members high quality work. You all arrived on time, you did an amazing job finish the removal process and installation process without damaging anything. (My last two experiences with carpet layers from carpet court they both damaged the skirting boards and a piece of furniture) So thanks for giving me faith again that a job can be completed without my property being damaged. And thanks to your team for helping me in such short notice due to my unit having flood damage! Really appreciate everything that you did for me!”
“He has great product knowledge and took the time to thoroughly explain the differences of each carpet in a simple way. He has a very personable manner and is very friendly and polite. He explained the process well provided a competitive quote. He was flexible with the install date (as I had some other trades finishing off work before the carpet could be installed) and worked with me to secure a date that suited both parties. I had an issue with the underlay requirements due to strata laws and Declan was very helpful in helping me source the correct underlay to meet strata requirements. I believe he went over and above his role to assist me. The floors are amazing! I’m extremely happy with the choice and the whole process. Thank you Declan. I hope Carpet Removal Sydney realise what an asset you are to their team. ”
“I attempted a carpet removal job my self in my new office only to realise the job was commercially glued down, needless to say as a I.T nerd i had absolutely no chance of removing it haha. I thought i would give a few companys a call to request a quote on how much the removal process would cost… and my god i was shocked at the overwhelming expense of how much commercial carpet removal costs… I was so relieved though when i stumbled across Carpet Removal Sydney (One of my co-workers recently had their team out to remove carpet in a new house they purchased) and was relieved when i finally found a company that was willing to do it for a fair price. I was a little concerned at the start due to their price being so much lower than all of their competitors, but my co-worker re assured me that they had an amazing team. I was quite relieved when the whole process was over and they had done such an amazing job for almost a third of their competitors prices. Thanks again lads! If you ever need a computer fixed hit me up! ”
“Thanks again boys! really happy with how my shop looks now! i knew ripping out the carpet was the best option, definitely looks a lot better with a clean smooth slab so that i could install a nice hardwood floor”
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We Will Beat All Quotes By Up To 30%*
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