Natural stone is generally thicker and heavier than porcelain or ceramic tiles, so there are a couple of important points to note about the surface that the stone will be laid on.
All you need to know about laying and caring for Natural Stone
We insist that all natural stone must be sealed to protect and extend the life of the stone. Sealing your stone gives it the absolute best protection against stains and dirts, and makes cleaning so much easier. Using a roller or spray pack, sealing stone is quite easy.Sealing Natural Stone