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Acoustic Systems
Monarfloor® Deck 18 system is designed to reduce sound transmission through existing timber floors in situations where finished floor height is not critical.
Monarfloor Deck 18 consists of a layer of 8mm LRAC foam bonded to 18mm P5 V313 moisture resistant chipboard.
When installed as part of a complete sound reduction system it enables a timber floor to meet the sound transmission regulations of Part E (see table).

| Monarfloor Deck 18 sound transmission performance | ||
|---|---|---|
| DnT,w + Ctr | L'nT,w | |
| Treated floor | 49dB | 49dB |
| Monarfloor Deck 18 Product Data | |
|---|---|
| Overall board dimensions | 2400mm x 600mm x 26mm thick |
| Foam thickness | 8mm |
| Foam composition | Recycled Low Resonance type II Acoustic Chip (LRAC) foam |
The acoustic insulant shall be:
Monarfloor Deck 18, manufactured by Icopal Ltd, Lyon Way, St Albans, Hertfordshire, AL4 0LB.
Install Monarfloor Deck 18 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.