Wall Primer formulated on the basis of 98% biobased vegetable alkyd resin emulsion in water and mostly natural components and algae. Intended to be covered by a decorative paint finish. Consolidates and homogenises the base. Good adhesion to old paint. Can be covered with our ALGOPRO decorative paints. Formulated to be more environmentally friendly and to have less impact on health (VOC<1g/L).