The distinction between KERDI-BOARD and traditional cement backer board is significant in terms of labor and performance. Cement backer board provides a rigid base, but it is not waterproof; it will absorb water and allow it to pass through to the wall framing. Therefore, an additional waterproofing membrane must be applied over the entire surface of the cement board after it is installed, adding time and complexity to the build. KERDI-BOARD changes this by serving as both the structural substrate and the waterproofing layer. As an extruded polystyrene foam panel surfaced with a specialized, bonding-ready fleece, it is inherently waterproof. Once the panels are installed and the seams are sealed with KERDI-BAND, the shower is ready for tile. Furthermore, because KERDI-BOARD is lightweight and easy to cut, it significantly reduces the labor associated with the heavy lifting and dusty cutting required for cement-based boards. It is a superior substrate for any modern tile shower installation.
Key considerations
- KERDI-BOARD vs cement board
- best backer board for shower
- waterproof wall panels
- KERDI-BOARD
- Cement Board
- Substrate