To maintain the pristine appearance of our cast stone plinth courses, adhere to a regular cleaning regimen using mild soap and water. Avoid abrasive or acidic cleaners, opting for gentle, pH-balanced solutions. Apply a suitable sealer to protect the surface from moisture and pollutants, and monitor its condition for reapplication. Deal with stains promptly and inspect for damage, addressing issues to prevent further harm. Additional measures may include diverting rainwater and considering environmental factors that could necessitate more frequent maintenance. Proper care ensures the plinth courses maintain their sharp and new look while upholding their timeless beauty wrapping the base of the building or structure.