Gruen Linear Drain Flange Kit for Waterproof Membrane Shower Installations

The Gruen Linear Drain Flange Kit is the essential upgrade accessory for installing compatible Artstream, Pera, and Highline linear drains in bonded waterproof membrane shower systems. Designed to simplify waterproofing at the drain connection, this kit helps installers create a reliable, watertight transition between the drain body and membrane.

Features

Built for bonded waterproofing systems
Lets you integrate compatible Gruen linear drains into modern waterproof membrane shower assemblies.
Complete upgrade kit
Includes the key components needed to adapt the drain for waterproof membrane installation.
Compatible with select Gruen linear drains
Designed for use with Artstream, Pera, and Highline models.
Confirm exact model compatibility before ordering.
Helps create a watertight drain-to-membrane connection
Supports a secure transition point in the most critical area of the shower system.
Ideal for new installs and renovation work
Useful when converting or upgrading a shower to a bonded waterproofing method.
Installer-friendly setup
Simplifies the process of preparing a compatible linear drain for membrane integration.
Durable construction for long-term performance
Made for wet-area shower applications where reliability matters.

Compatibility / fitment

Designed for use with compatible:

Gruen Artstream linear drains
Gruen Pera linear drains
Gruen Highline linear drains

Best for:

Bonded waterproof membrane shower installations
Tile shower builds using waterproof sheet or bonded membrane systems
Renovation projects where a compatible Gruen drain is being adapted for membrane waterproofing

Confirm needed before purchase:

Exact compatible drain model / generation
Drain size compatibility
Whether this kit fits all channel lengths and outlet configurations
Any regional or manufacturer-specific installation requirements

Installer warning:
This kit should be matched to the correct Gruen drain model. Ordering by appearance alone may result in fitment issues.

Gruen

Price

Collections

Gruen HighLine Linear Drain

Gruen Artstream Linear Drain

Gruen ProLine Linear Drain

Gruen Pera Linear Drain

Gruen Alfaline Linear Drain

Gruen Linear Drain Bonding Flange Kit

Gruen Point Drain

Gruen Point Drain Membrane Kit

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