Works on the Orthodox Cathedral of Christ the Saviour in Banja Luka were done in August-September 2004. Newly placed stone on the facade and bell tower (yellow and red travertine, white marble and grey granite) was smeared with grout and mortar, a bit less with the atmospheric impurities. Cleaning and washing of the stone were performed by using the detergents ECO RECEPT 01, ECO RECEPT 02 and water under pressure up to 120bar. After the facade stone had been completely dried, it was protected - conserved with the product ECO IMPREGNIR MK. Pillars made of grey granite in the interior of cathedral were also conserved with the product ECO IMPREGNIR MK.
