Isomat High Opacity Filling Primer (Primer GB).
Ready-to-use, acrylic, water-based primer for application on gypsum boards, before being coated with an emulsion or acrylic paint. It enhances the adhesion of the paint to gypsum boards and improves their hiding power. It may also be used on other absorbent surfaces, such as concrete, masonry, render, etc.
Consumption: 10-12 m²/l per layer