Schluter Systems KERDI-KERS-B Orange Waterproofing Corner Membrane for 135° Shower Benches/Curbs

Regular price $36.94

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KERDI-KERS-B Waterproofing Corner Membrane

Preformed, seamless KERDI corner designed to waterproof 135° angles at triangular shower benches and neo-angle curbs. Ensures a reliable, water-tight seal with minimal buildup and easy installation as part of the Schluter-Shower System.


Key Features:

  • Preformed Seamless Corner: Factory-made KERDI corner eliminates cutting and overlaps for a watertight seal
  • Thin Profile: 4-mil thickness minimizes buildup at corners for smoother tile installation
  • System Compatibility: Works with KERDI, KERDI-BOARD, DITRA, and DITRA-HEAT assemblies
  • Purpose-Built Geometry: Designed for 135° angles on triangular benches and neo-angle shower curbs
  • Quick Installation: Orange KERDI membrane installs easily to prevent leaks and mold growth

Specifications Table:

Specification Details
Product name Schluter-KERDI-KERS-B
Type Preformed seamless KERDI corner for waterproofing
Application 135° angles between triangular shower benches and walls; tops of curbs in neo-angle showers
Material KERDI waterproofing membrane
Thickness 4 mil (thin profile to minimize buildup)
Compatibility KERDI, KERDI-BOARD, DITRA, DITRA-HEAT assemblies
Installation Set with thin-set mortar per Schluter Shower System guidelines
Color Orange
Family Part of the Schluter-Shower System

Frequently Asked Questions (FAQ):

Q: Can I use KERDI-KERS-B with standard 90° corners?
A: No. KERS-B is specifically for 135° angles; use KERDI-KERECK-F for 90° inside/outside corners.


Q: What materials does it work with?
A: It integrates with Schluter KERDI, KERDI-BOARD, DITRA, and DITRA-HEAT waterproofing/uncoupling assemblies.


Q: Does the thin profile affect durability?
A: The 4-mil KERDI material is engineered to provide a durable, waterproof seal while minimizing buildup for tile installation.


Q: Is special adhesive required?
A: Install using thin-set mortar per the Schluter Shower System installation handbook.


Q: Where is KERS-B typically installed?
A: At 135° angles between triangular shower benches and walls, or at the tops of curbs in neo-angle shower applications.


Sculpted Corners, Seamless Luxury

This preformed KERDI corner brings a tailored precision to neo-angle showers, creating crisp lines that feel both modern and intentional. Its wafer-thin profile keeps surfaces clean and uninterrupted, so tile patterns remain the star. Pair it with geometric mosaics on a triangular bench to emphasize the architecture of the space. A small detail with big impact, it’s the quiet essential behind a polished, spa-worthy shower.


Elevate your shower build with KERDI-KERS-B for effortless, watertight corners—add to cart and install with confidence.

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