Selleys No Mould Silicone sealant in translucent is specially designed to create a long lasting waterproof seal in areas where mould resistance is necessary. This is the perfect product for humid and damp environments such as kitchens and bathrooms, where mould is normally present. Selleys No Mould contains Speed Seal technology producing a shower ready seal in 1 hour# #Sealant will be waterproof and shower ready in 1 hour after application in showers. The semi-cured sealant must not be touched until fully cured (at least 48 hours)