General description Johnstone’s Quick Dry Primer Undercoat is designed for both interior and exterior use on bare timber and masonry surfaces. Its water-based, low-odour formulation ensures a quick drying time, making it an ideal base for Johnstone’s Quick Dry Gloss and Satin products. Technical specifications Volume: 250ml 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.