FAQ

Q: What is stronger cement or concrete?

A: The difference between cement and concrete

Concrete is basically a mixture of aggregates and paste. The aggregates are sand and gravel or crushed stone; the paste is water and portland cement. Concrete gets stronger as it gets older. … Cement comprises from 10 to 15 percent of the concrete mix, by volume.

Q: What is the use of concrete in construction?

A: It is an important construction material used extensively in buildings, bridges, roads, and dams. Its uses range from structural applications to paviours, curbs, pipes, and drains. Concrete is a composite material, consisting mainly of Portland cement, water, and aggregate (gravel, sand, or rock).

Q: How much concrete do I need a calculator?

A: For concrete, the formula for volume is as follows: length x width x thickness. To determine how many bags of concrete you will need, divide the total cubic yards needed by the yield. Use the following yields per each bag size: 40-pound bag yields .011 cubic yards.

Q: Is concrete waterproof?

A: Concrete is a pretty remarkable manmade material that’s extremely durable over time. … That means concrete is not waterproof. Brand new cured concrete might be relatively waterproof for a little while, but it doesn’t take long at all for water to penetrate the surface and begin to cause deterioration.

Q: How thick should a concrete driveway be?

A: four inches

As for thickness, non-reinforced pavement four inches thick is standard for passenger car driveways. For heavier vehicles, a thickness of five inches is recommended. To eliminate standing water, the driveway should be sloped towards the street a minimum of one percent, or 1/8 inch per foot, for proper drainage.

 Q: What is the best waterproofing for concrete?

A: Concrete Waterproofing Sealer

  • Liquid Rubber Foundation and Basement Sealant – Indoor & Outdoor Use – Easy to Apply – Waterproof Coating – Black, 5 Gallon. …
  • ToughCrete Concrete Sealer – 1 Gallon (Covers 600SqFt) – Concrete Sealant for Driveways, Garage Floors, Sidewalks, Patios, Paver, and Other Concrete Surfaces. …
  • 5-Gal.

 

Q: How do I choose a concrete contractor?

A: How to Choose a Concrete Contractor

  1. Do your research. Before you hire any Joe Schmo, you need to do your research. …
  2. Look for experience. You want to ensure you choose a contractor who has experience. …
  3. Verify the insurance. …
  4. Ask for and contact references. …
  5. Compare prices. …
  6. Measure your interactions.

 

Q: What does a concrete company do?

A: A concrete contractor is a specifically trained and experienced individual or team that is able to manage concrete in its various stages from an unmixed combination to the hard finished product that is produced. … The contractor will oversee delivery and ensure the concrete is poured correctly.

Q: What is used to level concrete?

A: Use a Magnesium Float

Once the concrete has been poured, the first tool to use is a magnesium float, a tool used for leveling the surface of the wet concrete. Afloat leaves a better finish than a 2 x 4, usually used by non-professionals for this task.

Q: What questions should I ask a concrete contractor?

A: 7 Questions to Ask a Concrete Contractor

  • How much experience do you have? …
  • Do you have a portfolio of pictures of your previous work? …
  • Can you provide references? …
  • What is your schedule like? …
  • How long will my project take? …
  • Will you need to obtain permits for my project? …
  • Will you be reinforcing the concrete with rebar?