Liberon tough deck clean and revive has been developed for cleaning old tired and dirty natural wooden decking which has dulled and faded over time it helps to remove black spotting caused by mould or lichen from most types of wood and helps to prevent the regrowth of fungi to leave the surface clean and ready for refinishing it is ideal for heavily soiled areas and to prepare decking for finishing volume 2 litres coverage 30m per litre drying time minimum 24 hours application scrubbing brush o