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Acoustic Systems
Monarfloor® Deck 9 system is designed to reduce sound transmission through concrete floors or existing timber floors in situations where finished floor height is critical.
Monarfloor Deck 9 consists of a layer of LRAC foam bonded to 9mm moisture resistant MDF.
When installed as part of a complete sound reduction system it enables a concrete or timber floor to meet the sound transmission regulations of Part E (see tables).

| Monarfloor Deck 9 sound transmission performance | ||
|---|---|---|
| DnT,w + Ctr | L'nT,w | |
| Treated floor: (Timber subfloor) | 48dB | 48dB |
| Monarfloor Deck 9 Product Data | |
|---|---|
| Overall board dimensions | 1200mm x 600mm x 17mm thick |
| Foam thickness | 8mm |
| Foam composition | Recycled Low Resonance type II Acoustic Chip (LRAC) foam |
The acoustic insulant shall be:
Monarfloor Deck 9, manufactured by Icopal Ltd, Lyon Way, St Albans, Hertfordshire, AL4 0LB.
Install Monarfloor Deck 9 in accordance with relevant specification clauses and design details.
For advice on treatment of services and penetrations consult Services in our Design section or our brochure.