Premium Thassos marble moldings and trim pieces crafted from authentic Greek snow-white marble for bathrooms, kitchens, fireplaces, showers, floors, backsplashes, and feature wall installations.

Thassos Moldings & Trims

Complete your installation with our Thassos Moldings & Trims Collection. Crafted from premium Greek Thassos marble, these trim pieces feature a brilliant snow-white finish that perfectly complements Thassos tiles and mosaics.

Ideal for backsplashes, bathrooms, showers, fireplaces, floors, and feature walls, Thassos moldings create seamless transitions, finished edges, and timeless architectural detail. Their crisp white appearance brings a clean, elegant finish to both classic and contemporary interiors.

Thassos White Marble Field Tiles

Thassos White Marble Field Tiles
Thassos Marble Mosaic Tiles

Thassos Marble Mosaic Tiles
Thassos Moldings & Trims

Thassos Moldings & Trims
  • 1/2X12 Honed Thassos White Marble Pencil Liner - MosaicBros.com 1/2 x 12 Honed Thassos White Marble Pencil Liner. Quick View
    1/2X12 Honed Thassos White Marble Pencil Liner $11.39 / Piece
  • 2X12 Honed Thassos White Marble Single-Step Chair Rail Trim - MosaicBros.com 2 x 12 Honed Thassos White Marble Single-Step Chair Rail Trim. Quick View
    2X12 Honed Thassos White Marble Single-Step Chair Rail Trim $20.34 / Piece
  • 1/2X12 Polished Thassos White Marble Pencil Liner - MosaicBros.com 1/2 x 12 Polished Thassos White Marble Pencil Liner. Quick View
    1/2X12 Polished Thassos White Marble Pencil Liner $11.39 / Piece
  • 4 3/4 x 12 Honed Thassos White Marble Baseboard Trim. 4 3/4 x 12 Honed Thassos White Marble Baseboard Trim. Quick View
    4 3/4 x 12 Honed Thassos White Marble Baseboard Trim $22.74 / Piece
  • 2X12 Polished Thassos White Marble Single-Step Chair Rail Trim - MosaicBros.com 2 x 12 Polished Thassos White Marble Single-Step Chair Rail Trim. Quick View
    2X12 Polished Thassos White Marble Single-Step Chair Rail Trim $20.34 / Piece
  • 4 3/4X12 Polished Thassos White Marble Baseboard Trim - MosaicBros.com 4 3/4 x 12 Polished Thassos White Marble Baseboard Trim. Quick View
    4 3/4X12 Polished Thassos White Marble Baseboard Trim $23.94 / Piece
  • 4 3/4 x 12 Polished Thassos White Marble Basketweave Border w/ Ming Green Dots. 4 3/4 x 12 Polished Thassos White Marble Basketweave Border w/ Ming Green Dots. Quick View
    4 3/4X12 Polished Thassos White Marble Basketweave Border w/ Ming Green Dots $17.39 / Sheet
  • 3/4 x 12 Honed Thassos White Marble Bullnose Liner. 3/4 x 12 Honed Thassos White Marble Bullnose Liner. Quick View
    3/4 x 12 Honed Thassos White Marble Bullnose Liner $19.14 / Piece
  • 4 3/4 x 12 Honed Thassos White Marble Basketweave Border w/ Ming Green Dots. 4 3/4 x 12 Honed Thassos White Marble Basketweave Border w/ Ming Green Dots. Quick View
    4 3/4X12 Honed Thassos White Marble Basketweave Border w/ Ming Green Dots $23.16 / Sheet
  • 4 3/4 x 12 Honed Thassos White Marble Basketweave Border w/ Blue-Gray Dots. 4 3/4 x 12 Honed Thassos White Marble Basketweave Border w/ Blue-Gray Dots. Quick View
    4 3/4X12 Honed Thassos White Marble Basketweave Border w/ Blue-Gray Dots $15.54 / Sheet
  • 1 x 12 Polished Thassos White Marble Quarter Round Trim - MosaicBros.com 1 x 12 Polished Thassos White Marble Quarter Round Trim. Quick View
    1 x 12 Polished Thassos White Marble Quarter Round Trim $20.86 / Piece
  • 2 x 12 Polished Thassos White Marble BIAS Border w/ Black Dots. Quick View
    2 x 12 Polished Thassos White Marble BIAS Border w/ Black Dots $22.74 / Piece
  • 3/4 x 12 Polished Thassos White Marble Bullnose Liner. 3/4 x 12 Polished Thassos White Marble Bullnose Liner. Quick View
    3/4 x 12 Polished Thassos White Marble Bullnose Liner $21.07 / Piece
  • 2 x 12 Polished Thassos White Marble BIAS Border w/ Ming Green Dots. Quick View
    2 x 12 Polished Thassos White Marble BIAS Border w/ Ming Green Dots $19.76 / Piece
  • 2 x 12 Honed Thassos White Marble BIAS Border w/ Ming Green Dots. Quick View
    2 x 12 Honed Thassos White Marble BIAS Border w/ Ming Green Dots $19.76 / Piece
  • 2 x 12 Honed Thassos White Marble BIAS Border w/ Blue-Gray Dots. Quick View
    2 x 12 Honed Thassos White Marble BIAS Border w/ Blue-Gray Dots $19.76 / Piece
  • 2 x 12 Honed Thassos White Marble BIAS Border w/ Black Dots. Quick View
    2 x 12 Honed Thassos White Marble BIAS Border w/ Black Dots $19.76 / Piece
  • MOLDINGS THASSOS PENCIL HONED Thassos Mosaic Tile. Quick View
    MOLDINGS THASSOS PENCIL HONED Thassos Tile $16.00 / Piece
  • MOLDINGS THASSOS BASEBOARD Thassos Polished Mosaic Tile. Quick View
    MOLDINGS THASSOS BASEBOARD Thassos Polished Tile $31.00 / Piece
  • 4 3/4 x 12 Polished Thassos White Marble Basketweave Border w/ Blue-Gray Dots. 4 3/4 x 12 Polished Thassos White Marble Basketweave Border w/ Blue-Gray Dots. Quick View
    4 3/4 x 12 Polished Thassos White Marble Basketweave Border w/ Blue-Gray Dots $17.39 / Sheet
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