Enhancer Plus is a solvent based semi penetrating sealer designed to darken and highlight the colour in dull or lifeless stone, particularly limestone. The more coats applied, the more shine is obtained. Also protects against soiling and staining is suitable for internal, external, domestic and commercial surfaces and will provide protection from most common household spills. It will also provide a seal against water in wet or damp applications, and it resists the emergence of efflorescence. Apply a minimum of 2 thin coats. Generally a Coverage approx. 5 – 15 m2 per litre per coat and resealing required every 1 – 2 years.