Cem-Rock Cement Board
Product Description
Cem-Rock® cement board is a truly innovative building board suitable for both exterior and interior purposes including but not limited to the following:
- Timber frame structures
- Steel frame structures
- Rainscreen cladding substrate board
- Soffits and ceilings
- Refurbishments
- Tile backer board
- Internal drylining
- Floor underlayment
- Fire rated partitions
- Modular buildings
PROPERTY | VALUE |
|---|---|
| Nominal dimensions | 2400x1200x12 mm* |
| Dimensions tolerance (EN 12467) | Level 1 (+/- 3mm) |
| Thickness tolerance (EN 12467) | Level 1 (+/- 0.6mm) |
| Average density (EN 12467) | < 950 kg/m3 |
| Average weight | 11.6 kg/m2 |
| Bending strength | >6.2 MPa |
| Bending radius | 2.0 m |
| Modulus of Rupture / Flexural resistance | 10.3 N/mm2 |
| Reaction to fire (EN 13501-1:2013) | A1 (non-combustible) |
| Water Vapour Transmission | 1,975 g/hm2 |
| Water Vapour Diffusion Coefficient (EN ISO 12572) | 54 |
| Thermal conductivity (EN ISO 10456) | 0.39 W/Km |
| Screw pull out / head pull-through (Grabfix 4.8x40mm screw to BS EN 14566; Mean) | 132 N / 358 N |
| Crying test (to BBA specification) | Pass |
| Mould growth (MOAT 33) | Pass |
* 6mm and 10mm thickness also available.