Terasun TSM — Wet room systems
🚿 Wet room systems
Fiber cement board for wet rooms
Terasun TSM Cement Board is a lightweight, moisture-resistant and non-combustible cement board designed for wet rooms, bathrooms, showers and other high-humidity areas. It provides a strong and stable substrate for waterproofing membranes, ceramic tiles and compatible tile installation systems. TSM Cement Board is suitable for professional wet room construction where durability, moisture resistance and fire performance are required. A certified waterproofing membrane must be applied in accordance with the selected system manufacturer’s installation instructions to create a fully waterproof assembly.
Application
Tile backing substrate in Mapei and Schönox approved wet room systems for bathrooms, showers, and commercial kitchens.
| Board | Terasun TSM · 12 mm |
| Standard | EN 12467 |
| Fire class | A1 |
| Moisture category | Category A — suitable for wet areas |
| Waterproofing system | Hydroproofing System - Compatible with professional waterproofing systems from leading manufacturers |
| Frame | Steel or timber studs |
| Finish | Ceramic tiles or natural stone |
| ETA | ETA 24/0895 |
Source: ETA 24/0895 · DoP TRS-20250610F · CE 1023-CPR-1565 P · EN 12467
Wet room performance
Moisture resistant — dimensionally stable in wet conditions
Direct tile substrate — compatible with polymer-modified adhesives
Mapei system approved
Schönox system approved
CE certified for wet area applications
Suitable for floors, walls, and ceilings in wet rooms
The board surface remains dimensionally stable under continuous moisture exposure — ideal for wet rooms and commercial kitchens.
Downloads for this System
5 documents · 0 available immediately
Installation Manual
Wet Room System Guide
Waterproofing Application Guide
European Technical Assessment
CE Certificate