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Quadra Plus
Surface finished with 12mm square studs — enhanced geometric relief with layered textural complexity that catches light from multiple angles. A sophisticated choice for projects where the ceiling should reward closer inspection. Available in BioSafe for health-critical specifications.
Available Sizes
- 600×600×15mm
Technical Specifications
Technical Specifications
| Specification | Value | Test Standard |
|---|---|---|
| Material | Non-cementitious hydrated calcium silicate + reinforcing fibres + natural fillers. Free from formaldehyde and toxic ingredients. | — |
| Surface Finish | Prime coated on both sides. Two coats of white, solvent-free dispersion paint. | — |
| Density | 350 kg/m³ (Quadrant) / 450 kg/m³ (Edges) | — |
| Weight | 5-5.5 kg/m² (15mm) / approx. 4.2-4.8 kg/m² (12mm) | AS/NZS 2785 |
| Humidity Resistance | 100% RH — will not sag, soften, or deteriorate | Internal / EN test |
| Sag / Deflection | Tested at high relative humidity — no sag | Internal / EN test |
| Fire — Non-Combustible | Non-Combustible — BS 476 Part 4 | BS 476 Pt 4 |
| Fire — Propagation (Class 0) | Fire Propagation Index 5.40; sub-indices 1.36, 2.55, 1.49 | BS 476 Pt 6 |
| Fire — Flame Spread (Class 1) | Spread of Flame NIL throughout test duration | BS 476 Pt 7 |
| Sound Absorption (NRC) | 600×600×15mm: 0.15 | ISO 354 / ASTM C423 |
| Steiner Tunnel — ASTM E84 | Flame Spread Index: 0 (out of 25). Smoke Developed Index: 5 (out of 450). Class-1, Class-A rating. | ASTM E84-20 |
| Cone Calorimeter | Tested to AS/NZS 3837:1998 | AS/NZS 3837:1998 |
| Group Number Classification | Tested and classified as per AS 5637.1:2015 | AS 5637.1:2015 |
| Early Fire Hazard Indices | Tested to AS/NZS 1530.3 | AS/NZS 1530.3 |
| Suspended Ceiling Compatibility | Tested to AS/NZS 2785:2020 | AS/NZS 2785:2020 |
| Thermal Conductivity | ≤ 0.052 W/m°K | IS:3346/1980 |
| NRC Calculation | Per ASTM E413 | ASTM E413 |
| Light Reflectance | > 85% | ASTM E1477 |
| Asbestos | Asbestos-free — tested by NATA Accredited Lab (Hazcal) | PLM + SEM/EDS |
| Respirable Crystalline Silica | RCS disclosure available on request | Internal |
| Termite Resistance | Inorganic material — immune to termite attack | — |
| Grid Compatibility | T-24 and T-15 suspended ceiling grid systems | AS/NZS 2785:2020 |
| Warranty | 10-year manufacturer's warranty against sag (installed to specification) | — |
| Anti-Bacterial (BioSafe) | Tested against 8 organisms. Protected from E. coli, MRSA, Aspergillus niger, Candida albicans and others. | JIS-Z-2801-2010 / ASTM G-21-15 |
BioSafe Availability
Available in EcoTAG BioSafe formulation.
Quadra Plus is available in the EcoTAG BioSafe formulation — zero VOC, independently tested to ASTM G-21-15 and JIS-Z-2801-2010 for anti-bacterial and anti-fungal protection. Recommended for hospitals, aged care facilities, and schools.
Edge Profiles & Grid Compatibility
T-24 and T-15 exposed grid systems.
Compatible with T-24 and T-15 exposed grid systems, including Butt (Square) Edge, Tegular, and Micro Look edge profiles. Full guide specifications and cross-section diagrams are available on the Grid Systems page.
Grid SystemsProduct Features
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