SmartSeal Black Limestone Sealer 5L

Restore your black limestone and slate surfaces to their original jet-black glory with this powerful solvent-based sealer and re-colourant. It provides superior protection against moss, algae, and lichens, keeping your patio looking its best with minimal upkeep. Simply hose down and sweep every three months after application for lasting beauty. This isn't just protection, it's a rejuvenation! Watch as faded stone is revitalized, regaining its deep, captivating black colour. Reapplication is easy, ensuring long-lasting results.
Before you start, pressure wash your limestone or slate surface and let it dry completely for at least 72 hours. Apply two coats using a roller, ideally in temperatures between 12°C and 23°C. This 5L container will give you excellent coverage.