Among natural stones, granite stones are more durable with respect to stability and durability. In contrast, marble stones need more care and attention. All customers are recommended to perform Treatment operations on the stones after installation. In addition, they are also recommended to observe the following points especially when no treatment has been applied: – Strictly avoid severe impacts on the surfaces. – Do not let tea, coffee and lemon juice remain on the surfaces for a long time. – Never stand or walk on the surfaces. – Hot objects change the color of stones. Avoid placing them on the surfaces. – Do not pull sharp objects on the surfaces that leave scratches on the stones and especially marbles. – Strong solvents damage the surfaces. Never use chemicals like whitex, caustic soda, polishes and chlorinated solvents to clean the surfaces.