b'WHAT ABOUT THE COLOUR FADING IN THE SUN?Colour glazing is done before the sinks are fired. ForAthis reason, the matte black and concrete look finish has exactly the same features as gloss and matte white sinks, therefore they are UV stable and therefore cannot be affected by sunlight.Over page: Cuisine 46 x 46 Inset/Undermount Fireclay Sink. Outdoor kitchen design Lockhart Design for@Our.Casa.Bianca, Toowoomba QLD. This page, From top Novi 60 x 46 Double Fireclay Farmhouse Butler Sink in Concrete Look. B. Cuisine 68 x 48 Inset/Undermount Fireclay Sink. Outdoor kitchen design Lockhart Design for @Our.Casa.Bianca, Toowoomba QLD. BTURNER HASTINGS 29'