About SAS205
A corridor ceiling where metal tiles span from wall to wall on J-bars fixed to the side walls, so no hangers are needed in the void. Tiles lift and swing down for full access, which keeps the services above corridors easy to reach.
Key performance
| Reaction to fire (BS EN 13501-1) | A1 - Plain and up to 63% open area perforated tiles with polyester powder coating finish; A2, s1 d0 - Up to 39% open area perforated tiles with acoustic fleece backing; A2, s1 d0 - Up to 22% open area perforated tiles with acoustic pad backing |
|---|---|
| Light reflectance | Up to 86.07% (for RAL 9016 plain tiles) |
| Durability | Class B in accordance with BS EN 13964:2014 |
| Service life | 40 years plus |
| System weight | 9kg/m² (based on 1200x300mm tiles and all necessary suspension components) |
| Maximum acoustic inlay | 16mm thick as standard |
Source: SAS205 Technical Datasheet T0005E, Jul 2026. Figures quoted exactly from the manufacturer's datasheet; confirm with SAS before specifying.
Acoustic performance
| Perforation | Inlay | αw | NRC | Class | Dn,c,w |
|---|---|---|---|---|---|
| Plain | None | - | - | - | 43dB |
| S0702 | Fleece | 0.65 | 0.65 | C | 18dB |
| S1003 | High Performance Acoustic Pad | 0.90 | 0.90 | A | 33dB |
| S1511 | Fleece | 0.80 | 0.80 | B | - |
| S1511 | 16mm 80kg/m³ Pad | 0.90 | 0.85 | A | - |
| D1522 / S1820 | Fleece | 0.80 | 0.80 | B | - |
| D1522 / S1820 | 16mm 80kg/m³ Pad | 1.00 | 1.00 | A | 27dB |
| D1522 / S1820 | 16mm 80kg/m³ Pad + Backing Plate | 0.65 | 0.70 | C | 41dB |
Selected rows; full table in the technical datasheet.