CurbSill Threshold

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installed Cultured Granite CurbSill Threshold in Tidal Sand

Our Cultured Marble, Onyx and Granite Thresholds offer a durable, easy to clean alternative to natural stone or tile thresholds/curbsill. Also check out our matching bench seats and shower caddie's.

All thresholds are 6-1/4" wide and available in 24", 30", 36", 48" and 60" lengths. Custom sizes and colors are available through special order 

Thresholds provide an efficient seal for shower doors and a smooth, straight ledge for any glass application! Available in a variety of sizes and finishes, they install quickly with little or no cutting, and offer a waterproof, seamless finish that is designed to last. These cultured granite thresholds can be used with our Kirb Perfect kits.