Waterborne gap filler to fill joints up to 2 mm in width in wood floors. Bona Mix & Fill is a waterborne gap filler which should be mixed with sanding dust to achieve the appropriate colour and consistency. It can fill joints of up to 2 mm wide and fix other minor defects in wood floors. Use with any of Bona’s lacquers and oils, and on light and dark wood species alike. Base: Acrylate Category: Waterborne 1-comp Drying time (until sanding): Approx. 20 min Application tools: Stainless steel trowel Coverage: 8-12 sqm/lit dependent on size and quantity of gaps