It is unlikely for finishes to be the same as when laid after several years, as a result of natural ageing due to atmospheric agents and the deposit or absorption of dust. Temperature and humidity changes, in addition to the manual completion of the stone manufacturing process, may lead to shade variations, as usually occurs with natural stone. It is advisable to purchase required amounts in batches, always considering walls from edge to edge and the mixing of the various pallets and boxes during installation. Geopietra® accepts no liability for the colour of additions or finishes after a period of time.