Treated sandstone

Flexiguard™ durability tested under ISO 11507 and evidenced in the garden!

Flexiguard is a liquid quartz water-based nano-coating designed to protect porous stone from staining caused from dirt and grime in the environment, but how can you be sure it works? Flexiguard is tested according to ISO 11507 Artificial Weathering methodology in order to measure its active longevity under accelerated UV conditions. Sunlight or more specifically…