| Sound Reduction Performance |
| 61 RwdB | 51 RwdB+Ctr |
| Part E Acoustic Requirement |
New Build 45 DnTw+CtrdB | Refurbishment 43 DnTw+CtrdB |
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| Components and Fixing Data:
15mm Acoustic Plasterboard (and)
12.5mm Plasterboard (screwed to)
Resilient Bars (at 600mm centres)
70mm Acoustic Studs (at 600mm centres)
52mm Acoustic Quilt (Between studs)
Resilient Bars (at 600mm centres)
12.5mm Plasterboard (screwed to resilient bars)
15mm Acoustic Plasterboard (screwed through to resilient bars)
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