Marble Thresholds & Sills

Thresholds provide a safe and elegant transition from one room to another, while baseboards help protect your walls in style. Offered in a variety of neutral hues, MSI’s carefully curated collection of marble thresholds and baseboards allows for maximum design and installation flexibility. Sizes include 2x24, 4x36, 6x72, and more, with several widths and edge profiles to choose from. Whether your design style is traditional or all-out trendy, we’ve made it easy to find just the right product to finish off your residential or commercial space.

Arabescato Cararra 4x36x0.75 Polished Double Beveled - Marble Threshold

Arabescato Cararra 4x36x0.75 Polished Double Beveled

Arabescato Carrara 6x72x0.75 Polished Double Beveled Thresholds

Arabescato Carrara 6x72x0.75 Polished Double Beveled Thresholds

Black Granite 4x36x.75 Polished Double Beveled Threshold - Marble Threshold

Black Granite 4x36x.75 Polished Double Beveled Threshold

Black Granite 4x36x.75 Polished Single Hollywood Threshold - Marble Threshold

Black Granite 4x36x.75 Polished Single Hollywood Threshold

Black Granite 5x36x0.75 Polished Double Beveled Threshold - Marble Threshold

Black Granite 5x36x0.75 Polished Double Beveled Threshold

Black Granite 5x36x0.75 Polished Single Hollywood Threshold - Marble Threshold

Black Granite 5x36x0.75 Polished Single Hollywood Threshold

Black Granite 6x36x0.75 Polished Double Beveled Threshold - Marble Threshold

Black Granite 6x36x0.75 Polished Double Beveled Threshold

Black Granite 6x36x0.75 Polished Single Hollywood Threshold - Marble Threshold

Black Granite 6x36x0.75 Polished Single Hollywood Threshold

Black Granite 6x72x.75 Polished Double Beveled Threshold - Marble Threshold

Black Granite 6x72x.75 Polished Double Beveled Threshold

Durango 4x36x.75 Honed Double Beveled Threshold - Marble Threshold

Durango 4x36x.75 Honed Double Beveled Threshold

Durango 4x36x.75 Honed Single Hollywood Threshold - Marble Threshold

Durango 4x36x.75 Honed Single Hollywood Threshold

Durango 6x72x.75 Honed Double Beveled Threshold - Marble Threshold

Durango 6x72x.75 Honed Double Beveled Threshold

Engineered Beige 2x36x0.625 Polished Double Beveled - Marble Threshold

Engineered Beige 2x36x0.625 Polished Double Beveled

Engineered Beige 4x24x0.625 Polished Double Beveled - Marble Threshold

Engineered Beige 4x24x0.625 Polished Double Beveled

Engineered Beige 4x36x0.75 Polished Double Beveled - Marble Threshold

Engineered Beige 4x36x0.75 Polished Double Beveled

Engineered Beige 5x30x0.625 Polished Single Hollywood - Marble Threshold

Engineered Beige 5x30x0.625 Polished Single Hollywood

Engineered Beige 6x37x0.62 Polished Single Beveled - Marble Threshold

Engineered Beige 6x37x0.62 Polished Single Beveled

Engineered Beige 6x54x0.62 Polished Single Beveled - Marble Threshold

Engineered Beige 6x54x0.62 Polished Single Beveled

Engineered Beige 6x72x0.75 Polished Double Beveled Thresholds - Marble Threshold

Engineered Beige 6x72x0.75 Polished Double Beveled Thresholds

Engineered Beige 6x73x0.62 Polished Single Beveled

Engineered Beige 6x73x0.62 Polished Single Beveled

Engineered Gray 4x36x0.75 Polished Double Beveled Thresholds

Engineered Gray 4x36x0.75 Polished Double Beveled Thresholds

Engineered Gray 6x72x0.75 Polished Double Beveled Thresholds

Engineered Gray 6x72x0.75 Polished Double Beveled Thresholds

Engineered White 2x36x0.625 Polished Double Beveled

Engineered White 2x36x0.625 Polished Double Beveled

Engineered White 4x24x0.625 Polished Double Beveled

Engineered White 4x24x0.625 Polished Double Beveled

Engineered White 4x36x0.75 Polished Double Beveled

Engineered White 4x36x0.75 Polished Double Beveled

Engineered White 5x30x0.625 Polished Single Hollywood

Engineered White 5x30x0.625 Polished Single Hollywood

Engineered White 5x36x0.625 Polished Double Hollywood

Engineered White 5x36x0.625 Polished Double Hollywood

Engineered White 6x36x0.625 Polished Double Beveled

Engineered White 6x36x0.625 Polished Double Beveled

Engineered White 6x72x0.75 Polished Double Beveled Thresholds

Engineered White 6x72x0.75 Polished Double Beveled Thresholds

Engineered White Marble 6x37x0.62 Polished Single Beveled - Marble Threshold

Engineered White Marble 6x37x0.62 Polished Single Beveled

Engineered White Marble 6x54x0.62 Polished Single Beveled - Marble Threshold

Engineered White Marble 6x54x0.62 Polished Single Beveled

Engineered White Marble 6x73x0.62 Polished Single Beveled - Marble Threshold

Engineered White Marble 6x73x0.62 Polished Single Beveled

Tundra Gray 4x36x0.75 Double Beveled Threshold Polished - Marble Threshold

Tundra Gray 4x36x0.75 Double Beveled Threshold Polished

Tundra Gray 4x36x0.75 Single Hollywood Threshold Polished - Marble Threshold

Tundra Gray 4x36x0.75 Single Hollywood Threshold Polished

Tundra Gray 6x72x0.75 Window Sill Polished - Marble Threshold

Tundra Gray 6x72x0.75 Window Sill Polished

Turkish Carrara 4x36x0.75 Polished Double Beveled

Turkish Carrara 4x36x0.75 Polished Double Beveled

Turkish Carrara 5x36x0.75 Polished Double Beveled

Turkish Carrara 5x36x0.75 Polished Double Beveled

Turkish Carrara 6x36x0.75 Polished Double Beveled

Turkish Carrara 6x36x0.75 Polished Double Beveled

Turkish Carrara 6x72x0.75 Polished Window Sill

Turkish Carrara 6x72x0.75 Polished Window Sill

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