Standard Double Threshold

Sizes Available

Click sizes for actual base measurements & drain location

Double Threshold

Mid Height Curb

Standard Double Threshold

A typical Onyx Collection “Standard” Double Threshold Shower consists of a Double Threshold Shower Base and two Wall Panels. A ceiling panel may also be added.

All the Standard Size Shower Bases we have available are listed in this section, along with Wall Panel Kits to fit each one. For other sizes or configurations not shown in this section, see the Custom Shower Section where you will discover infinite possibilities.

The Onyx Collection gives you a choice of more colors and textures than anyone else in the world so you don’t have to settle for something you really don’t want. For a distinctive look, several different Trim options are available, as well as contrasting Stripes and Borders and even Graphic Inlays to enhance the beauty and uniqueness of your shower.

The Onyx Collection also provides a wide range of accessories including Soap Dishes, Shampoo Caddies, Towel Bars, Shower Seats and even Foot Shelves, displayed in the Accessories Section.

When planning your shower, it is important to order all the different components, trim and accessories at the same time, to assure proper fit and color match.

Product Certification: ANSI standard, Slip Coefficient, ASTM E-84 Flame, and the Massachusetts Shower Base Approval test results