Colourtrend 3 Litre Undercoat - White | M01020 Undercoat Waterbased t For interior & exterior use 3 Liter Typical coverage:10-15m²/L Colour: White Colourtrend 3 Litre Undercoat - White | M01020 Colourtrend Undercoat White - 3 Litre is a water-based alkyd t for wood and metal. Looks and feels like a traditional oil-based but without the smell. Recommended for use with Colortrend gloss or satinwood t. Features Easy application with minimal preparation Apply over oil or water-based coatings Quick-drying Low-odour