How Long Does Oil Based Polyurethane Take To Dry. Polyurethane will give a long lasting easy to apply finish. Modern oil based paint dries partly (dry to the touch) around 1 to 2 days depending on the proportion of lenseed oil. Yes i said run your air on cold, the dehumidifier in the unit will help cut your drying time in half.
Oil based finishes dry/cure in 2 phases.
Brush on three thin coats with a foam brush. In a 4 hour time i unlike latex paints oil has nothing to do with heat really. Regular oil based polyurethane goes on much thicker. Oil based polyurethane takes longer to dry than water based poly. How long this takes depends on the brand you are using. Modern oil based paint dries partly (dry to the touch) around 1 to 2 days depending on the proportion of lenseed oil. Oil based finishes dry/cure in 2 phases. Sand very lightly over the entire surface.
