The Smooth effect mortar by Renesans is an acrylic emulsion, which can be used as a dense primer for rigid surfaces. When applied correctly, it will leave a smooth and polished finish. It is characterised by an outstanding adherence to various materials. Because it is water-based, it is ideal to use with acrylics, gouache and watercolours. After drying the mortar is hard, resistant, sandable and doesn´t yellow.