Devatri Ecological wall putty is famously used for interior and exterior walls. It is made using special additives and fillers to multitask as a putty, sealer over plaster or concrete walls. White cement, minerals, and cow dung powder are mixed together to form a white cement based wall putty. They come in dry form and release no unpleasant odour as you apply them on the wall.Build the perfect base. Devatri Wall Putty is a white-cement-based filler made with minerals, special additives, and cow dung powder. It smooths undulations and hairline imperfections, acting as a putty, sealer, and filler on plaster or concrete. Low odour in dry form makes application comfortable. Use on interior and exterior walls before primer/paint for a refined finish that helps colours look richer and last longer. Shelf life: 1 year.