How To Clean Old Varnished Wood Floors | Floor Roma- how to clean old varnished wood doors near me ,4/12/2019· Pics of : How To Clean Old Varnished Wood Floors Cleaning Tar Like Substance Off Old Hardwood Floor Hackettstown Nj How To Polish Wood Floors And Re Their Shine Bob Vila How To Clean Gloss Up And Seal Dull Old Hardwood Floors Young READ ...How to Apply & Remove Varnish from Wood | RonsealAs with the start of the majority of DIY projects, you need to clean the wood first. Use white spirit and a lint-free cloth to wipe down the surface and remove grease, dirt and dust. Sand the wood. Use 120-grit sandpaper to smooth the surface. This will help the varnish stick and will give you a smooth finish.