Aqua-Seal Silver™ formulated with the latest Nano-AQS™ plus Rapid-Seal STS™ Technology to provide good stain resistance in 4 hours. Non Flammable, NO VOC’s (Volatile Organic Compounds) natural look, water based, below surface, penetrating sealer. Can be used as a pre-grouting sealer. Breathable – Allows excellent Moisture Vapour Transmission (MVT). For indoor, outdoor, domestic & commercial areas.