To enhance the contrast of your engraved slate, start by applying an appropriate finish that accentuates the engraved areas. One effective method is to use a high-contrast enhancer, such as a darkening solution or a specially formulated slate sealer. These products penetrate the stone and highlight the engravings without obscuring the natural beauty of the slate. Be sure to clean the surface thoroughly before application to remove any dust or debris.

Once the contrast is enhanced, it’s essential to protect your engraved slate from environmental damage. Apply a protective sealant designed for stone surfaces. Look for products that are water-resistant and UV-protective, as these will guard against both moisture and sun degradation. Use a brush or cloth to apply the sealant evenly over the slate, ensuring you reach all engraved areas.

After applying the sealant, allow the slate to cure according to the manufacturer’s instructions. Regular maintenance, including cleaning with a soft cloth and mild soap, can help preserve both the contrast and integrity of the engraving for years to come.