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FAQs

What is concrete?

Concrete is a stone-like, binding material commonly used in a wide variety of construction projects; such as driveways, roadways, home and building foundations, bridges, dams, buildings and more. Concrete is a mixture of water, cement and aggregates (various stone and rock materials). The ratios of materials used in concrete determine the strength, versatility and properties of the concrete mix.

Concrete is versatile and easy to sculpt because it is molded while it is in a semi-liquid form. Once dry it becomes a tough, weather-durable substance that has countless uses in construction and building projects. It is the most widely used man-made material on Earth.

Concrete has several benefits including:
Durability and strength
Fire resistant
Weather resistant
Low maintenance
Energy efficiency

What is the difference between concrete and cement?

Cement and concrete are commonly used interchangeably, when, in fact, they represent two different materials. Cement is a main ingredient in concrete, but not the same thing as concrete. Cement is a fine powder, that when mixed with water creates a binding substance. Concrete is a mixture of multiple materials that combine to create a hard, stone-like material.

Should I consider air entraining my concrete?

All concrete exposed to freezing and de-icers should be air-entrained. Air-entrained concrete provides microscopic air pockets in concrete to allow for water to expand in the event of freezing.

What is curing?

Curing is the process to help protect concrete from a loss of moisture. Concrete gains strength and durability by the slow chemical combining of cement and water. In order to produce concrete to its full potential, concrete should be protected against the loss of moisture and cold or hot temperatures.

How do I know what concrete is best for my project?

We’ve created a helpful selection guide to help you pick the right mix to meet your construction needs. For outside concrete, we recommend using stone instead of gravel.

What are PSI Strength concrete mixes?

These strengths are determined as carefully proportioned amounts of aggregates, cement-based materials, and chemical mixtures are combined to provide the specified PSI strength, plus a factor of safety where the concrete is tested under standard conditions for 28 days.

What are concrete bag mixes?

In the old days, when most concrete was mixed on site, cement was purchased in bags.  A bag is 94 pounds of cement – about 1 cubic foot.  The content of a bag mix is the number of bags per cubic yard of concrete.  Chemical additions can be included on request.  Bag mixes are usually ordered by professional concrete finishers who prefer to prescribe cement factor for finishability or other reasons.

What are our recommendations?

Our recommendations for quality start with the most economical mixtures to serve your purposes if proper placing, finishing, and curing practices are followed. Ordering a higher class of concrete provides you with an additional safety factor to overcome any unexpected problems and provides more margin for finishing and faster setting.