Epifanes Combi Filler is a traditional one-component knifing filler for levelling of small irregularities in one-component paint systems for wood or steel above the waterline. Should be applied in very thin layers. (max. 1 mm) Use to repair and fill small imperfections in a single-component paint system on wood and steel above the waterline. Sand after 24 hours at 18°C. and 1 mm thickness Advice: Use Between one-component primer coats or for the first coating.