Monodeck 26C

Monodeck 26C system is designed to reduce sound transmission and also reduce impact sound transmission through concrete floors.

 

Monodeck 26C consists of a layer of 8mm reconstituted ACF (Acoustic Chip Foam) bonded to 18mm P5 V313 moisture resistant chipboard.

 

When installed as part of an Isomass approved separating floor construction either system enables a traditional timber joisted floor to meet the sound transmission standards of Approved Document E 2003 and subsequent amendments in 2004, 2010, 2013 and 2015.

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To be used over existing concrete floors for conversions, refurbishments or new build with a decoupled ceiling as illustrated.

    

Treated floor with:
DnT,w+ Ctr
L’nT,w
Monodeck 26C
53dB
53dB

based upon the typical construction examples
Complies with New Build Robust Detail descriptive FFT5 within E-FC-1, E-FC-2 and E-FS-1.

Overall size: 2400mm x 600mm x 30mm
Resilient layer thickness: 8mm
Resilient layer: Reconstituted ACF (Acoustic Chip Foam)
Resilient layer fire test: Tested to BS 5852-2:1982
Weight: 18.8kg per sheet

Monodeck 26C supplied by Isomass Ltd. Units 10 & 11, Avenue Business Park, Elsworth, Cambridgeshire CB23 4EY and installed in accordance with manufacturer’s instructions / recommendations.

Full installation instructions for Monodeck 26C are available as a pdf to download. Go to the Downloads tab on this page.

  • Monodeck 26C system.
  • ≥300kg/m2 cast in-situ concrete or hollow core concrete planks with 80kg/m2 sand / cement screed or 40mm proprietary screed.
  • Note: A VCL will be required when installing Monodeck 26C on new screed.
  • 50 x 75mm timber battens with 10kg/m2 gypsum board ceiling supported on resilient bars @ 400mm centres perpendicular to the battens min. 75mm below underside of sub-floor or
  • min. 75mm void formed by metal frame suspended ceiling system and ≥10kg/m2 gypsum board ceiling.
  • Acoustic flanking band reduces impact vibration leaking via structural walls and assists in reducing airborne sound paths (on both constructions).
Monodeck 26C System
Monodeck 26C Product image

Monodeck 26C systems product data sheet

Monodeck 26C systems installation instructions

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