Clay plaster Tierrafino Finish is what started it all. It was our first-, and 20 years later is still our most successful product. Special and practical: it is plaster and colour rolled into one; a natural clay plaster to finish and enhance interior walls in homes and work spaces. Tierrafino Finish is 100% natural and consists of various types of sand and coloured clay. It contains neither chemical additives, nor iron oxide pigments. The colour fastness, durability and adhesion capacity are all natural qualities. Finish regulates humidity and temperature, is cool in summer and warm in winter and adds soothing charm and acoustics to a room. Clay finish is a finish for a healty interior. Thick layer with Base clay under plaster coat increases the air quality in the room. Plaster with clay has a very old tradition. Clay render or clay plaster has been known for thousands of years. Only Clay Finish is also suitable in modern house construction over troweled smoothed wall surfaces, primer first and apply 2mm to 3mm clay plaster Finish.