Coconut shells are a waste product that can replace coarse aggregates in concrete up to 10%, maintaining strength. They improve thermal insulation, density, and acoustics, although reducing ...

Sand is an essential building material. Having the right type of sand for a particular project is important as failure to get the required sand can bring about delay in the progress of your project ...

The 519 miles of L.A.’s freeway system. Dodger Stadium. City Hall. All built with concrete filled with rock and sand washed down from Southern California’s iconic mountain ranges. For evidence of that ...