Schluter KERDI-DRAIN

When you're building or remodeling a shower, choosing the right drain is more important than you might think. Schluter® KERDI drains are trusted by homeowners and contractors for their superior waterproofing compatibility, long-lasting performance, and clean design options. These drains are designed to integrate easily with the rest of your Schluter® KERDI shower system and are safe to use with heated shower floors.

Round vs. Square: Which Drain Is Right for Your Shower?

One of the most common questions homeowners ask is whether to choose a round or square drain – and the answer depends on your design preferences and tile layout.

• Round drains – Offer a more traditional look and are a great choice for small-format or mosaic tiles that naturally flow toward a center point.


• Square drains – Ideal for modern bathrooms and are often easier to tile around. They also create a clean finish that complements a variety of shower styles.

The KERDI product line also has a wide variety of linear drains, which are typically used in curbless shower designs.

Safe to Use with Heated Shower Floors

If you're planning to install radiant heat in your shower, KERDI’s drains are fully compatible with heated floor systems like DITRA-HEAT cables. The design of the drain allows heat cables to run safely around the drain opening and keep consistent warmth without messing up the installation or creating hot spots.

What’s Included in a Drain Kit?

Each KERDI drain kit comes with the essentials you need for a proper installation. While exact contents may vary by model, most include:

• Bonding flanges – Create a secure connection between the drain and the waterproofing membrane to create a watertight seal.


• Waterproofing corners – Pre-formed inside and outside corners that simplify waterproofing on corners and reduce the risk of leaks.


• Pipe seals – Flexible seals that fit around pipe penetrations to block water from entering the subfloor.


• Mixing valve seals – Designed to seal around shower mixing valves and protect wall cavities from moisture.

Find the Right Drain for Your Shower Remodel

KERDI drains are a critical part of a leak-proof shower. It doesn’t matter if you’re upgrading a guest bath or building a new master shower, Warm Your Floor has the expertise and product selection to help you complete the job.

Shop now or reach out to our team with questions – we're here to help you warm up your bathroom from the ground up.

Related Resources

Step-by-Step Guide to Installing a Schluter Shower System

Planning & Considerations for a DIY Bathroom Remodel