Isocheck Deep Batten System : suspended system for timber and steel floors

Isocheck PRIMO & PRIMO HL Isocheck ULTIMO Isocheck 32T Isocheck 37T Isocheck 27C, 23C & 14C Isocheck 28T, 24T & 15T Isocheck RENOVO Isocheck Deep Batten Isocheck Shallow Batten Isocheck Cradle Isocheck Barrier Mat 5 & 10 Isocheck Impact Mat 100, 200 & 300 Isocheck Re-Mat 3 & Re-Mat 5 Isocheck Re-Mat Base 3 & 6 Isocheck Re-Cork 3 & Re-Cork 5 Isocheck Screedcheck XL5 Isocheck Screedcheck XL8 Isocheck Screedcheck XL10 Isocheck Phonewell Isocheck Absorba ceiling & wall panels Isowave System 23 for Walls Isowave System 23 for Ceilings Accessories

product data sheet
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product data sheet
installation instructions

NHBC Tested

0845 838 3399

•  New build timber frame construction
•  New build steel frame construction
•  May also be installed in conjunction with underfloor
   heating systems (see data sheet)

The Isocheck Deep Batten system is designed to reduce sound transmission through timber / steel joisted floors.

Isocheck Deep Batten is a 18mm Isofiba or 15mm Isopoli bonded to a FSC certified 60mm softwood batten as standard. Other batten sizes are available to special order.

When installed as part of a complete sound reduction system, it enables a timber floor to meet the sound transmission regulations of Approved Document E 2003 and subsequent amendments in 2004, 2010 and 2013.

Should the requirement be for a batten height other than that specified on this page please contact us for further technical advice and suitability.


To be used over timber floors with a timber frame or masonry facade (to hide services or accommodate underfloor heating beneath the floor) and a new resilient bar ceiling.

Performance (on the two Robust Detail constructions illustrated)

Treated floor meets with the Robust Detail descriptive FFT1, typicallywithin Robust Detail EFT-1, EFT-2, EFT-3, EFS-2,
EFC-1, EFC-7 and EFS-1.

Compliance with Code for Sustainable Homes is possible; please contact Isomass for design advice.

Product data

Overall size: 1800mm x 45mm x 75mm
Resilient layer thickness: Down to approx. 14mm under
a normal domestic load.
Resilient layer material: Isopoli or Isofiba


The acoustic floor shall be:

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


Apply Isocheck deep Acoustic Angled Flanking Band on the edges of the chipboard and plasterboard before they are pushed against the perimeter walls to isolate both boards from the wall.

Lay Isocheck Deep Batten resilient layer side down, at 400mm max. centres with 19mm plank plasterboard and 18mm chipboard flooring over.

Apply Isocheck adhesive to all tongued and grooved panel joints.

Install skirting and trim off excess Flanking Band.

Full installation instructions for Isocheck Deep Batten are available to download by clicking on the link to the left of this page. Installation instructions must be used in conjunction with this information and/our information contained in the datasheet when laying the Isocheck Deep Batten floating floor system.


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Deep Batten


  • 18mm or 22mm chipboard and 19mm plank plasterboard.
  • Isocheck Deep Batten @ 400mm max. centers to run perpendicular to the joists.
  • 25mm mineral fibre insulation 10 to 36kg/m3.
  • composite, traditional or steel joists.
  • 100mm quilt insulation min.10kg/m3.
  • min 24kg/m2 double boarded ceiling on resilient bars perpendicular to joist direction.




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