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METAL Sky Element Hook
Knauf
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METAL Sky Element Hook
| Nrc | 0.7 |
| Class | C |
| Pitch | 90° straight |
| Shape | round |
| Border | unperforated |
| Colour | black |
| Alpha w | 0.70 |
| Nominal | Rg 2516 |
| Material | non-woven acoustic fleece |
| Cavity mm | 200 |
| Installation | bonded to tile back |
| Weight kg m2 | 3.9 - 26 |
| Open area pct | 16 |
| Alpha p 125 hz | 0.3 |
| Alpha p 250 hz | 0.7 |
| Alpha p 500 hz | 0.85 |
| Colour options | RAL 9016 |
| Acoustic infill | VLSRX |
| Alpha p 1000 hz | 0.6 |
| Alpha p 2000 hz | 0.7 |
| Alpha p 4000 hz | 0.7 |
| Perforation code | Rg 2516 |
| Perforation name | Standard Perforation |
| Available options | dimensions, post-coated aluminium, perforations, RAL & NCS colours, BioGuard finish, wood effect finish, acoustic infills, cut-outs, suitable for chilled ceilings |
| Steel gauge max mm | 1 |
| Humidity resistance | 90% RH |
| Perforation size mm | 2.5 |
| Acoustic infill colour | black |
| Reaction to fire class | A2-s2,d0 |
| Acoustic infill material | non-woven acoustic fleece |
| Acoustic infill installation | bonded to tile back |
| Light reflectance ral 9010 pct | 73 |
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