Schluter Kerdi-Drain Classic Shower Grate Kit – 4-Inch Square Stainless, Integrated Slope Bonding Flange KD4GRKE

Overview

For tile showers, the Schluter Kerdi-Drain Classic Shower Grate Kit with Integrated Slope Bonding Flange blends practical waterproofing with a clean, modern drain line. The 4-inch square stainless steel grate provides a low-profile, durable touch that complements tile layouts while delivering dependable moisture management across daily use.

Key benefits

• Secure waterproofing — the integrated bonding flange connects directly to the Kerdi membrane, helping form a reliable seal against water intrusion.
• Versatile compatibility — designed to work with a range of shower systems and installation configurations, from contemporary to practical setups.

In everyday use, the grate is designed for easy maintenance. It is removable, so you can access the drain housing and pipes for periodic cleaning, helping maintain consistent drainage and reduce buildup inside the system.

Durability and coverage

• Durable construction — crafted from high-quality stainless steel that resists corrosion and stands up to frequent use.
• Long-term coverage — backed by a 10-year limited warranty when installed in accordance with Schluter's Installation Handbook and Technical Data Sheet.

For installers and renovators, following Schluter's guidelines ensures the component integrates with the broader Kerdi waterproofing ecosystem. This alignment helps maintain consistent performance across the shower enclosure for years to come.

Real-life use scenarios

In a busy family bathroom, the discreet 4-inch grate keeps water flowing while maintaining a sleek look. For a spa-like shower with large-format tiles, the square grate provides a minimal, unobtrusive drain line that pairs well with tile grout lines. The integrated flange simplifies setup during renovation and reduces guesswork on waterproofing steps.

Maintenance tips

• Regularly remove and rinse the grate to prevent buildup.
• Inspect the flange connection during routine cleaning to ensure a tight seal with the Kerdi membrane.