General description Johnstone’s Quick Dry Primer Undercoat is designed for both interior and exterior applications on bare timber and masonry surfaces. This water-based, low-odour formulation dries quickly, making it an ideal base for Johnstone’s Quick Dry Gloss and Satin products. Technical specifications Volume: 2.5 litres Drying time: Touch dry in 1-2 hours Usage Perfectly primes bare wood and previously painted wood and metal surfaces Recommended for use with Johnstone's Quick Dry or Hardwearing Gloss or Satin