HG remove veils of cement paste and mortar (HG produced 12) removes stubborn glue cement veils and malta from, among others, all types of ceramic tiles for indoor and natural stone tiles to limestone base which the Norwegian stone, granite and quartzite, porous and non-porous. Half a litre of product diluted in 5 litres of water. Wet the surface with clean water, then apply the solution chosen by using a cloth or a MOP. Then pass the surface with a brush or a broom. Leave for a few minutes, and scrub well again. Then remove the solution from the surface with a rag, then pass a rag on the floor thoroughly with clean water.