Junckers Professional 625 Matt is a quick-drying 2-component, acid curing lacquer that's ideal for use on wooden floors that experience heavy foot traffic in commercial or residential properties. It can be used on both untreated/sanded and sealed floors to great effect and is fully compliant with all current legislation. Key information Sanding and recoat time: approx. 1-1 hours. Also available in Silk Matt (35%). 5 litre.