What is the best method to adopt when sealing a stone or terracotta floor?
It can take several coats of sealant and many hours to properly seal a floor. However when you bear in mind that the floor you are purchasing is expected to be easy to maintain for many years then this shouldnt be such an issue. Some tilers may tell you a floor requires only one coat of sealant or maybe that it doesnt require sealing at all. This is incorrect and possibly has more to do with the amount of time they have allocated to your project than what is necessarily appropriate for the floor! Stone or terracotta is best sealed when dry. It can be sealed when wet and there are now sealants available which allow this to happen but as a rule it is best to wait for the floor to dry out. Most reputable tilers will advise somewhere between two to four coats of sealant, this is dependent though on the actual density of the stone. They may also refer to the sealant as an impregnator too. The first one or two coats of sealant are normally applied before the tiles are grouted so that none of
