Welcome to the Michigan Concrete Association. Here you will find resources for ready mix producers, pavers, engineers, contractors, suppliers & homeowners. You can also register for one of our upcoming certification classes or events.

The two most common tests of new concrete include the strength of a sample of concrete tested usually at 28 days and testing the air content of the fresh concrete on-site as the construction is progressing. But which one of these tests is more important? Which one should we pay more attention to?

We get it, weather in Michigan can have a mind of its own. This can be a real struggle when dealing the ever-changing conditions. Pop-up rain showers and thunderstorms can prove to be quite a challenge when navigating concrete pours, especially during the summer months. What are some of the issues that can be caused by rain, and what can you do to be prepared in the field and minimize the damage that could be caused by these pop-up threats?

There is a long history of using expansion joints in concrete for various reasons. The primary thought is to allow for future thermal expansion of the paved surface while minimizing stress buildup, potential cracking, and possible blowups in hot weather. However, with proper design of the concrete pavement, along with good construction practices and adequate maintenance, concrete does NOT need expansion joints at regular intervals throughout the paved area.