Schluter Systems KERDI-SEAL-MV Orange Plastic Waterproofing Tile Membrane

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KERDI-SEAL-MV Waterproof Mixing Valve Seal

Preformed KERDI waterproofing seal for mixing valves, designed to create a watertight penetration through KERDI, DITRA, or DITRA-XL membranes. Its thin, durable construction minimizes build-up and protects moisture‑sensitive backing panels to prevent leaks and mold.


Key Features:

  • Watertight Protection: Over-molded gasket forms a tight seal around mixing valve penetrations to stop leaks and mold growth
  • Thin Profile: Approx. 4-mil KERDI membrane minimizes build-up for a flush tile installation
  • System Compatibility: Integrates with KERDI, DITRA, and DITRA-XL membranes as part of the Schluter-Shower System
  • Edge Protection: Shields exposed edges of moisture-sensitive backer panels at the valve opening
  • Easy Integration: Preformed design speeds installation with consistent, reliable results

Please check the Product Data Sheet Here


Specifications Table:

Specification Details
Product name Schluter-KERDI-SEAL-MV
Type Prefabricated waterproofing seal for mixing valves
Material KERDI membrane with over-molded rubber gasket
Thickness Approx. 4-mil
Compatibility For use with KERDI, DITRA, and DITRA-XL membranes
Primary function Creates watertight seal at valve/pipe penetrations and protects edges of moisture-sensitive backing panels
System Part of the Schluter-Shower System

Frequently Asked Questions (FAQ):

Q: What is KERDI-SEAL-MV used for?
A: It’s a prefabricated seal that waterproofs the penetration around a shower mixing valve through KERDI, DITRA, or DITRA-XL membranes.


Q: Is it compatible with other Schluter systems?
A: Yes, it’s part of the Schluter-Shower System and integrates with KERDI waterproofing components.


Q: How does the thin profile help?
A: The approximately 4-mil thickness reduces build-up so tile lays flat around the penetration.


Q: Does it help prevent mold?
A: Yes. By creating a watertight seal, it prevents moisture intrusion that can lead to mold growth.


Q: Do I need special tools to install it?
A: No special tools—simply integrate it with the membrane following Schluter’s installation guide.


Sculpted Waterproofing for a Seamless Shower Silhouette

This sleek seal disappears behind tile, letting the architecture sing while quietly delivering uncompromising protection. I love its whisper-thin profile—so refined it keeps the plane of the wall impeccably true. Pair it with large-format porcelain and a minimal trim set for a gallery-clean surround. It’s a small luxury that makes the whole shower feel meticulously tailored.


Elevate your shower build—add KERDI-SEAL-MV for a flawless, watertight finish around your mixing valve.

Warranty

Installation

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