Shower Niche
Grenrite Shower Niche is a pre-fabricated waterproof recessed storage solution designed for tiled shower walls and wet-area applications. It combines a rigid XPS core with reinforced cementitious facings to provide a stable and tile-ready surface.
The pre-formed construction simplifies the creation of recessed storage compared with conventional site-built niches, helping reduce cutting, assembly and waterproofing work during installation.
Grenrite Shower Niche can be integrated into shower walls, bathroom walls and wet rooms, providing practical storage while maintaining a coordinated waterproof substrate for compatible tile and stone installation systems.

A Simple Way to Build a Tiled Shower Niche
Constructing a recessed shower niche on site can require multiple pieces of board, accurate cutting and additional waterproofing around the opening. Grenrite Shower Niche is pre-formed to simplify this part of the installation.
The rigid XPS-based construction provides a lightweight waterproof substrate, while the reinforced cementitious facings provide a suitable surface for compatible tile and stone installation systems.
The pre-fabricated design helps installers achieve consistent dimensions and a clean finished appearance while reducing on-site fabrication.
Key Features
Pre-fabricated recessed niche
Waterproof XPS-based construction
Tile-ready cementitious surface
Lightweight and easy to install
Consistent factory-formed dimensions
Suitable for shower and wet-room applications
Compatible with tiled wall systems
Available Sizes
| Metric | Imperial |
|---|---|
| 300 × 300 mm | 12 × 12 in |
| 300 × 500 mm | 12 × 20 in |
| 300 × 600 mm | 12 × 24 in |
| 400 × 300 mm | 16 × 12 in |
| 400 × 600 mm | 16 × 24 in |
| 600 × 300 mm | 24 × 12 in |
| 600 × 600 mm | 24 × 24 in |
Custom dimensions and configurations are available for OEM and private-label programs.
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100% waterproof XPS core with reinforced tile-ready surfaces. The substrate every professional shower system starts with.
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Pre-sloped, pre-fabricated XPS shower base. No mortar beds, no leveling — set, seal and tile.
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Waterproof XPS curb for walk-in showers — a professional leak-proof boundary between wet and dry zones.
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Pre-fabricated waterproof XPS shower bench — from space-saving corner seats to full-width benches.
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Corner Board
Pre-formed waterproof XPS corner boards for inside and outside wall corners.
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Waterproofing Accessories
Sealing tape, membranes and corner pieces — the complete waterproofing system behind every Grenrite installation.
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