National Paints PVA Primer is specifically formulated for use on masonry surfaces. The white primer covers up to 25 m² per litre and provides a superb base coat for subsequent applications. The product does not require thinning and can be applied in a single coat. Drying time is usually 30 minutes, depending upon the temperature and film thickness. Additionally, it has a high coverage rate, fast drying times, and great water resistance for up to 30 days. With the 18L bucket, this primer paint can be easily and conveniently used for large-scale projects, providing up to 19-20m² (in 2 coats) of coverage per liter. This extraordinary primer is an excellent choice for any construction or renovation project.