Common Shower Curb Threshold FAQ's

Over the years of building shower curbs, I have found that the easiest product for building a gorgeous-looking and durable shower curb sill threshold are Dix’s shower thresholds available in marble and granite. The purpose of any shower curb threshold is to provide a straight ledge and efficient seal for glass shower doors.




Why Choose a Dix shower curb sill threshold?

  • They are available in a variety of sizes and finishes.
  • They install quickly with little or no cutting.
  • Enjoy the waterproof, seamless finish that is designed to last.
  • These Cultured Marble Thresholds can be used with our Kirb Perfect kits .

What are your shower threshold color options?

At Dix Systems our cultured granite threshold colors include:

  • Grey
  • Black
  • Cashmere
  • Light Fawn
  • Tidal Sand
  • Tortilla Chip
  • Walnut Toffee
  • Whole Wheat

Our cultured marble threshold color options include Bone and White.

Please visit our Thresholds Shower Curbsill page to view each of these color options and to place your order when ready. We also offer a free 2”x6” sample in any of our colors for you to see in natural lighting of your bathroom.

What threshold lengths are available?

All of Dix’s shower thresholds are 6-1/4” wide with a variety of different lengths to choose from: 24″, 30″, 36″, 48″ and 60″.

How do you install these marble or granite shower thresholds?

Watch Dix’s shower threshold installation video to see the process of installing your threshold. All of Dix Systems' shower curb products are designed with the Do-It-Yourselfer in mind! If you prefer things in black and white, here are written installation instructions .

Do you offer shower threshold quantity discounts?

If you’re a Home Builder or Professional Renovator and would like to order mass quantities of this product, just fill out this confidential form and in the comments you can mention that you’re interested in mass quantities of the Curbsill Threshold.

For more information about the world’s best leak proof shower pan liner by Dix Systems, and the rest of our shower kits, parts, and accessories, please call us at 1-888-450-0112


Here's a beautiful finished look below!



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