sandpaper to provide a smooth sealed wood surface the paint coatings were applied with successive receding starting points at four 4 inch spacings so that each paint coat remained visible and traceable the order of the paint coat deposition was black white blue claret wine taupe hunter green cinnamon white banner red black yellow and blue after the application of each paint coat the paint was allowed to dry for four 4 hours the first two 2 hours of drying was at ambient temperature which varied from 81 u00b0 f to 92 u00b0 f during the ambient drying step for the twelve 12 paint coats the last two 2 hours the drying was carried out under a hot air stream that varied in temperature between 105 u00b0 f to 122 u00b0 f after the third the sixth and the ninth paint coats the entire drying was at ambient temperature overnight 14 16 hours the overnight temperatures varied between 78 u00b0 f to 90 u00b0 f following the final paint coat the painted plank was left to cure for one hundred seventeen 117 hours under conditions of controlled temperature and humidity the controlled curing environment was a temperature of 70 u00b0 f and humidity of 40 45 the dry film thickness of the twelve coats 12 of paint.