AY Honors/Morse Code/Requirements

The main difference between unsanded and sanded grout is the presence or absence of sand. Unsanded cement-based grout is a smooth mixture of Portland cement, powdered pigments and water. Epoxy grouts are made of resin and hardener. Sanded cement-based grout and sanded epoxy grouts are basically the same as the previously mentioned mixtures but with sand added. The sand thickens the grout to prevent shrinking in the joints.