Zinsser Ceiling Pro 5-in-1 is based on ground-breaking paint technology that effortlessly provides a perfectly finished ceiling every time. It adheres to any surface, seals stains (including water and smoke), primes and finishes whilst bridging hairline cracks. In addition Ceiling Pro 5-in-1 contains a biocide that protects the dried coating against fungal degradation, prolonging the life of the painted ceiling. These outstanding features combine with a 1 hour recoat time, low odour and ultra low VOC content. Suitable for both bare and previously painted ceilings.