Do You Know What's the Most Used Building Material in the World?

Ron King, the Ultimate DIYer, explains to the audience what material is the most used in construction around the world. It's not steel or pottery but concrete.
Interesting facts about concrete are that it cures 90 percent in the first 30 days but takes decades' to fully cure.

I did mess up; it should have been "What's the most used building material?" Not the oldest.
Sorry for the confusion.

There are new additives that make concrete waterproof and also give the concrete the ability to absorb pollution.

Did you know the Romans built concrete roads that are still around today?

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#handyman #construction #concrete