MISTRAL is smooth and non-porous so it is inherently hygienic and resistant to staining without the need to be sealed. MISTRAL’s non porous surface does not allow stains to penetrate. Any spills can simply be wiped clean with a cloth and soapy water, or with the assistance of a general household cleaner for more stubborn substances. MISTRAL can be sanded. This means it can be refinished at any time during its life to remove any wear and tear marks that may have accumulated, leaving it looking as good as new.