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Flooring InstallationFlooring Installation Products

Schluter-Systems Introduces No-Demolition Drain Conversion Solutions for Modern Shower Applications

By FLOOR Trends & Installation Editors
KERDI LINE A Adaptor kit

Kerdi-Line-A Adaptor kit. Photo: Schluter. 

KERDI DRAIN A Adaptor kit
Schluter

Kerdi-Drain-A Adaptor kit. Photo: Schluter. 

KERDI LINE A Adaptor kit
KERDI DRAIN A Adaptor kit
May 14, 2025

Schluter-Systems announced two innovative solutions that modernize drainage systems without demolition.

The new Kerdi-Line-A adaptor kit enables the retrofit of existing clamping ring drains for use with Kerdi-Line linear drains. The redesigned Kerdi-Drain-A adaptor kit now offers greater compatibility with a broader range of clamping ring drains and now also accommodates tileable grates. By converting traditional two-stage drains with pan liners to bonding flange drains, the installation benefits from a complete, integrated bonded waterproofing system ensuring a watertight assembly and long-lasting performance. With these adaptor rings, installers can seamlessly upgrade existing drains, saving time and money by keeping the original installation intact.

To accompany these two adaptor kits, the Kerdi-Shower-CB compensation board is now available in a 1-inch (25 mm) thickness designed to accommodate the height of the adaptor ring, providing a simple solution for a flush installation with Schluter prefabricated shower trays.

Kerdi-Line-A Adaptor Kit for Linear Drains

• Retrofits existing clamping ring drains for use with Kerdi-Line linear drains

• Steel adaptor ring with an over-molded rubber gasket and multiple perforated hole patterns

• Provides a robust, watertight seal with existing two-stage drain flanges

Kerdi-Drain-A Adaptor Kit for Point Drains

• Redesigned for enhanced compatibility with a wider range of clamping ring drains

• Available in 5 1/2" (140 mm) and 7 1/2" (191 mm) sizes

• Improved design accommodates tileable grates for a seamless finish Kerdi-Shower-CB Compensation Board

• Ensures a flush installation with Schluter shower trays

• Can easily be cut to size to fit around the adaptor ring

These adaptor kits and compensation boards offer efficient, cost-effective drainage upgrades ideal for residential and commercial applications.

KEYWORDS: drains kitchen and bath shower installation & accessories

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Kerdi-Line-A Adaptor kit. Photo: Schluter. 
SchluterKerdi-Drain-A Adaptor kit. Photo: Schluter.  | Schluter

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