Quantity calculator
Based on these values:
Paint on an already painted surface (Extension approx. 10-15 sq m/litre)
Paint on a planed wooden surface (Strength approx. 10-12 sq m/litre)
Paint on wallpaper (Extension approx. 10-12 sqm/litre)
Paint on an untreated timber wall (Extension approx. 8-10 sq m/litre)
Paint on rag paper (Strength approx. 4-6 sq m/litre)
Paint on clay lining (Strength approx. 4-6 sq m/litre)
Paint on lime plaster or concrete (stretch approx. 4-6 sq m/litre)
Paint on an unplaned wooden surface (Extension approx. 7-9 sq m/litre)