Made with cement with lightweight aggregates, the company’s manufactured stone is lighter weight and lower cost than natural stone and has a lower waste factor. Color is provided by natural iron oxides. Some of the products contain recycled content in the form of fly ash. They have an average R-value of 0.41 per inch. A range of regional and national profiles is available; Cut Coarse Stone is shown here. 800.925.1491. www.eldoradostone.com.