Non toxic, eco friendly and natural exterior wall paints and natural masonry paints. Auro 344 is an external grade paint, and excellent on lime render. Auro 148 Swedish Red is becoming increasingly poplar in this country, and has a strong heritage in Sweden as a popular exterior wood finish. Auro 148 is a breathable paint for timber walls on properties, cabins, sheds and barns, doesn't flake or fade. AURO 114 Clinker & Brick Oil is for internal or external treatment of bricks, clinker and stone.