Mix up the secret ingredient: cement paint. Cement paint is made by mixing pure Portland cement with clear, cold water. (Add enough water to make a mix that has the consistency of warm gravy.) If the ...

This was not your typical retirement party: A bunch of construction industry types gathered at Sublime Systems in Somerville ...

Have you ever thought about the durability of concrete? Concrete that’s been mixed, placed, finished and cured with care can ...

I’d just have to cover 25 square feet with a ⅛ inch deep mixture of fine sand and Portland cement to achieve a professional repair. Fine sand can be compared to grains of table salt.

and clay-sand mixtures. The company puts these rocks in a reactor that heats them to their melting point, yielding glassy powders that can replace 25 to 40 percent of the Portland cement needed ...

Concrete is Earth’s second-most-used material behind water, creating about four times more CO2 emissions than planes. Some companies are trying to revolutionize the industry.