26mm Monodeck 26C Concrete Floor Acoustic Overlay Board
26mm Monodeck 26C Concrete Floor Acoustic Overlay Board
- Product Code: A1-1291
- Delivery Time: 3 - 5 days
- Brand: Isomass (Tech. support: 08458383389)
- Model: 2400x600mm - 1.44m2
- Weight: 18.80kg
Our ratings on 14-07-2026:

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26mm Monodeck 26C Concrete Floor Acoustic Overlay Board
Width: 600mm
Length: 2400mm
Density: 500kg/m3
Weight/m2: 13kg
Weight: 18.8kg
Monodeck 26C is an overlay platform system, designed for reducing sound transmission, including impact sound transmission and improving acoustic performance of concrete floors. The system is used in new build, refurbishment and conversions of concrete floors, able to meet the requirements of the Building Regulations, Approved Document E 2003 (including the subsequent amendments in 2004, 2010 and 2013). The system includes a 8mm Acoustic Chip Foam (ACF) bonded to cross 18mm P5 V313 moisture resistant chipboard.
CHARACTERISTICS
- Great acoustic properties, including the ability to reduce impact sound transmission;
- Able to meet values prescribed by the Approved Document E of the Building Regulations, when installed as part of a complete party floor construction;
- Includes a moisture-resistant chipboard.
APPLICATION
Monodeck 26C is applicable in new build, refurbishment and conversions of structural floors, with a new resilient bar ceiling.

INSTALLATION
- Apply Isocheck Acoustic Angled Flanking Band on the edges of the Isocheck boards just before they are pushed against the perimeter walls to isolate the board from the wall.
- Lay monodeck 26C over dry level screed, in brick bond pattern, applying Isocheck adhesive to all tongued and grooved panel joints.
- A vapour control layer (VCL) will be required when installing monodeck 26C on new screed.
- Install skirting and trim off excess Flanking Band.
CERTIFICATION
The product is in compliance with Approved Document E of the Building Regulations.
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