Resources
Technical Data
Technical Specifications Summary
The complete CSIRO Test Report is provided for download below this table. Please be warned that this report is about 100 pages long. Summaries of the findings can however be downloaded in the Technical Resources subsections listed on the left.
| SPECIFICATION | VALUE | TEST METHOD |
| Acoustic Rating | Hollow: Rw + Ctr 37 Core-filled: Rw + Ctr 50 Composite Wall: Rw 57 |
CSIRO – TL474 |
| Thermal Rating (R value) |
Benex Wall: 0.52 Composite Wall: 2.5+ |
BRANZ – EC1310 |
| Fire Rating | Benex Hollow Wall: 240/240/180 | CSIRO – 2042 |
| Compressive Strength | 4.92Mpa | Tested By CSIRO to AS – 3700-2001 |
| Salt Attack | Resistant | Tested By CSIRO to AS-NZS/ 4456.10:2003 |
| Mortar Additive for BASE Course | Required if wall is to be water impervious | Krystol by Kryton Intl. |
| Water Resistance Rating | Impervious | ASTM – 51406 – CSIRO |
| Additional Tanking | Not required | |
| Waterproof Render | Not required | |
| Minimum Excavation Clearance | 100mm at the rear of retaining wall required | |
| Control Joints | 8m max - High-grade polyurethane expansion adhesive recommended | |
| Built Wall Heights | 10m max | |
| Wash Out | Not required | |
| Load Bearing | Yes | |
| Architectural Finish | Yes | |
| Render Finish | Not required | |
| Weight/m² of Wall | Hollow: 109kg Core-filled: 355kg |
|
| Trades Required to Build Wall | 1 | |
| Fixings | Minimum requirement for fixing direct to Benex is a type 17/14 gauge screw with a minimum class 3 or 4 coating | CHLE – Test Certificate 3243 |
