Cary and Julie Grant own a company that specializes in patterned cut concrete graphics that are colored with chemical stains. At the demo Cary cut lines and hollowed out areas using a diamond blade mounted on an angle grinder. They also applied graphics using adhesive stencils for masking and defining lines during the coloring process. An unusual feature of their work was a cobblestone pattern with wide, uneven grout lines cut with a special fast-cutting abrasive bit mounted on an angle grinder to deepen the joints. They achieved variation in color by using different colored chemical stains and by diluting them with water to achieve different color intensities.
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