Astra Lime/KALK is a natural paint that has been developed specifically, for all exterior Absorbent wall surfaces, requires no undercoat or sealer and can be applied immediately To new and old surfaces. Astra lime/KALK exhibits outstanding weather resistance Excellent hiding power and flexibility properties making it suitable for exterior use, its is Also highly resistance to saponification which makes it suitable for comparatively new Plaster, after adequate drying, it provides a scuff proof washable surface