Kerdi-Band Waterproofing Strip, 5" x 33'

Seal tile membrane seams and corners with Schluter Kerdi-Band. This polyethylene strip is 5 inches wide and 33 feet long, designed to create a watertight barrier in showers and wet areas with Kerdi, Ditra, and Kerdi-Board systems.

Key Features:

• Watertight Sealing: Designed for joints and floor/wall transitions in Kerdi, Ditra, and Kerdi-Board installations
• Slim Profile: 4 mil thickness minimizes buildup under tile for smoother finishes
• Durable Material: Polyethylene construction resists mold and mildew
• Easy Application: Installs with unmodified thin-set; conforms tightly to inside/outside corners
• Project-Ready Size: 5-in width x 33-ft roll for efficient coverage

Specifications Table:

Frequently Asked Questions (FAQ):

Q: How is Kerdi-Band installed?
A: Embed the strip in unmodified thin-set mortar over seams and corners, pressing firmly to ensure full contact and a continuous seal.

Q: Can it be used with Ditra floors?
A: Yes, it is designed to seal Ditra mat seams and floor/wall connections as well as Kerdi and Kerdi-Board systems.

Q: Will the thickness cause tile lippage?
A: No. Its 4 mil thickness helps prevent buildup under tile, reducing the chance of lippage.

Q: Is it mold and mildew resistant?
A: Yes, the polyethylene material is mold and mildew resistant and provides waterproofing.

Q: What are the dimensions of the roll?
A: The roll is 5 inches wide and 33 feet (396 inches) long.

A Seamless Seal for Spa-Worthy Spaces

Kerdi-Band introduces an elegant, invisible layer of assurance behind your tile—keeping the spotlight on the clean lines and luxe surfaces you love. Its featherlight profile disappears beneath the finish while locking out moisture at every joint. Wrap shower corners and transitions with precision, then style confidently with marble, terrazzo, or textural porcelain. It’s the quiet essential that elevates bathrooms to a polished, resort-level experience.

Ensure a flawless, leak-free tile installation—add Kerdi-Band to your project today.