For a patio build, stepping stones, or pathways, concrete tiles can be an affordable option—and some ambitious DIY enthusiasts even make indoor floor tiles themselves. Making your own concrete tiles ...

The world gets a little greyer every year. According to a paper published in 2014 concrete—an aggregate material made by mixing cement, sand and gravel—is the second-most consumed substance in the ...

Jianzhuang Xiao is a professor of recycled concrete materials and structures at Tongji University, Shanghai, China, and a vice-president at Guangxi University, Nanning, China. Zongjin Li is a ...

If you’re looking to finish an exposed pea gravel placement of concrete, you can use a surface retarder, sugar water with a sprayer, or return after a couple of days with an acid wash, etc. The ...

Nobody knows who did it first, or when. But by the 2nd or 3rd century BCE, Roman engineers were routinely grinding up burnt limestone and volcanic ash to make caementum: a powder that would start to ...