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Admixtures – Plasticizers, super-plasticizers, accelerators, dispersants, and water-reducing agents are
some of the chemicals added to cement. These additives are sometimes used to increase the workability of a cement mixture still in “wet” form.

Aggregate – Sand, gravel, or crushed stone (rock) is used as an ingredient for concrete. Volcanic ash was used by the Romans when they began building their structures.

Binder – natural or synthetic cement.

Cement – Also known as hydraulic lime, was developed in 1756 by John Smeaton. In 1824, Joseph Aspdin and Isaac Charles Johnson took out a patent on a synthetic blend of limestone and clay. They called it Portland cement. Portland cement is made by mixing calcareous (consisting mostly of calcium carbonate) material such as limestone with silica-, alumina-, and iron oxide-containing materials. These substances are then burned until they are fused together, and the resulting admixture, or clinker, is ground to form Portland cement.

Concrete Grade – Cement, water, and aggregate are the three primary ingredients in concrete. The cement and water hold the aggregate together so the less aggregate present the stronger the concrete. The grade of concrete is measured in pounds per square inch (psi). The higher the grade the more weight it can handle. In general, 3000 psi is used for driveways.

Contraction Joints – They are shallow cuts or grooves in the concrete so that when it hardens it has a better chance to crack along the joints.

Curing or Setting – Concrete doesn’t dry. Through a chemical process, it sets or cures known as hydration. During this process water molecules combine with the concrete that form tiny crystals which interlock with each other and the aggregate. This is what gives concrete its strength.

Expansion Joints – They are usually placed 16 feet apart on large areas of concrete, but at Sudlow Concrete, we try to stay 14 feet apart for good measure. These joints span the width and thickness of the concrete. This helps give it growing room in hotter temperatures.

Fibers or Fiber-mesh – fibers made of stainless steel, glass, or carbon is added to the concrete for added support and strength to support weight on the concrete or structure. These fibers can be short, in a strand, sheet, non-woven fabric or woven fabric form.

Pozzolana – a siliceous and aluminous material often derived from volcanic ash. This reacts chemically with limestone and water that creates the basis for cement.

Customer Reviews
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Atlanta Driveway Repair
Atlanta Driveway Repair/Retaining Walls
More than 1000 happy Atlanta-Area customers!
  • Communication is a key!

    Sudlow Concrete repaired a large sink hole in my driveway and another small area of the driveway that had cracked and was becoming an issue as well. The project took two days. The owner, Bill Sudlow, communicated with me through the entire process which was nice. I’ve been dealing with several contractors this month and not everyone understands that communication is a key factor to the home owner. The end results – – it looks great. Very pleased.

  • Quality of work was top notch!

    Bill Sudlow was such a pleasure to work with. He gave us an honest quote and the quality of work was top notch!! His crew was very friendly, hardworking and most importantly they cleaned up after themselves as if they were never there, except the gorgeous new driveway, with the lovely brick inlay they matched to the color of the house very well! Would recommend them to everyone!! Thanks Bill!

  • Bill and his crew were exceptional.

    Timely, professional and pricing was on point. I have worked with many contractors and Sudlow has moved to the top of my list. He will be getting a lot of business from the neighbors

  • The crew arrived on time

    Sudlow Concrete replaced parts of my concrete driveway and patio that were cracked and sinking. The crew arrived on time, worked in a very efficient manner, and did an excellent job. They also did an excellent job in making sure the job site was clean before leaving. I would use them again for any fututre concrete work.

  • Professional & Friendly

    Bill and his team do good work. I had them out a few days ago 7/2. The concrete is still curing but so far it looks great! Pricing was fair. He and his team were out ON TIME. The were professional and friendly. I will use them again in the future!

  • Highly Recommended

    We hired Bill and his crew at Sudlow Concrete for a fairly extensive driveway replacement/expansion job. The whole team was a pleasure to work with. There were several complexities to the job that other companies didn’t want to handle. Sudlow did it all and did an excellent job. I would highly recommend them.

  • Couldn't be happier

    Bill Sudlow and his crew just finished our driveway today, and we couldn’t be happier. We received four quotes and ultimately went with Sudlow Concrete based on all the great reviews and his very competitive price. He takes great care of his crew, and they have worked with him for a long time. I was very impressed with how hard these guys worked and how meticulous they were with smoothing out the concrete and adding vertical and horizontal joints. Bill also helped us with filling in a sinkhole in our backyard. I would highly recommend Bill and his team for any concrete job.

  • Job Well Done!

    Sudlow Concrete is one of the very best companies, bar-none!!……..arrived on time!…very professional!….kept his word on the price for the large parking pad with a ramp. Extremely conscious of the work that is being performed by his crew!……and the customer’s expectations….gave expert advice for working in a close confinement area while avoiding damaging the sprinkle system and heads/pipes all over the backyard. Moreover, Bill wanted to know before he left if we were completely satisfied with the results; the answer from me and my wife was a resounding YES!!……also, the job is not finished, if the clean-up is lacking…..JOB WELL DONE; Sudlow Concrete.

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