Murobond Murowash Paint in Crushed Shell Murobond Coatings Type Primer, Base, Surface Coating Colour Crushed Shell Clean Up Water Thinner Water Toxicity Non-Toxic Features Primer and two finish coat system. Life span: 7 – 10 years From delicate shades to bold brights, Murowash suits every room and every style of architecture. Murowash offers a finely grained, streak free flat finish with subtle colour variations. Murobond Coatings