Thassos White Marble Crown Molding

Thassos White Marble Crown Molding is a white marble trim piece sold individually by the piece. The stone takes light the way only real marble does, with movement and translucency a printed surface can only approximate. It finishes edges, transitions, and baseboards so the field tile ends with a clean line.

White fields read larger than they measure, reflecting light deep into a room. It takes both warm schemes, with oak and linen, and cool ones, with chrome and charcoal, without fighting either.

Marble is metamorphosed limestone, formed when heat and pressure recrystallize calcite into the veined, light-reflective stone quarried for centuries of architecture. Every tile is cut from natural blocks, so veining and tone vary from piece to piece, which is the material's signature rather than a defect. Marble stays cooler than the surrounding air, takes a high polish, and brings a depth of color that printed surfaces approximate but do not match.

Marble is a calcite stone and needs sealing at installation and roughly once a year after, depending on traffic. Wipe spills quickly, especially wine, citrus, and vinegar, which etch the surface on contact. Clean only with stone-safe pH-neutral cleaners; never use vinegar, bleach, or abrasive powders. Use walk-off mats at entries and felt pads under furniture. Install with white thinset to avoid bleed-through, and dry-lay tiles first to blend natural variation across the floor or wall.