Isocheck 28T, 24T & 15T Systems : overlay platform system direct to floorboards



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Datasheet
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product data sheet
 
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installation instructions
     


NHBC Tested

0845 838 3399

 

•  New Build
•  Refurbishments
•  Conversions
•  Listed buildings requiring minimal structural change

Isocheck 28T, 24T & 15T are high performance systems designed to reduce sound transmission through traditional joisted timber floors. Suitable for conversions and for impact isolation of wooden finished floors.

Isocheck 28T and 24T consist of a 6mm layer of Isofiba bonded to 22mm or 18mm P5 V313 moisture resistant chipboard, whereas Isocheck 15T consists of a 6mm layer of Isofiba bonded to 9mm moisture resistant medium density fibreboard.

When installed as part of a complete party 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 and 2013.

Isocheck 15T has also been tested for use over water-fed underfloor heating systems.

Applications

To be used over existing floorboards for conversions, refurbishments or new build with a new resilient bar ceiling.

Typical performance expectations (on the constructions illustrated)

Treated floor with:

Isocheck 28T

Isocheck 24T

Isocheck 15T

R,w+ Ctr
DnT,w+ Ctr
L’n,w
L’nT,w
57dB
50dB
48dB
55dB
56dB
49dB
48dB
55dB
55dB
48dB
45dB
52dB

Site results (in red) for Building Control approval.
Laboratory results (in blue) for comparison.


Product data

Overall size:


Isocheck 28T
Isocheck 24T
Isocheck 15T
2400mm x 600mm x 28mm
2400mm x 600mm x 24mm
1200mm x 600mm x 15mm
Resilient layer thickness:   6mm

Resilient layer:   Recycled Isofiba

Weight:


Isocheck 28T
Isocheck 24T
Isocheck 15T
23.0kg per sheet
19.0kg per sheet
5.2kg per sheet

Thermal ratings

Isocheck 15T has been independently heat-flow tested and showed the following ratings:

Thermal conductivity: 0.069W/mK
Thermal resistance: 0.203m2K/W

Specification

The acoustic floor shall be:

Isocheck 28T, 24T or 15T, supplied by Isomass Ltd.
Units 10 & 11, Avenue Business Park, Elsworth, Cambridgeshire CB23 4EY and installed in accordance with manufacturer’s instructions / recommendations.

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 Isocheck 28T, 24T or 15T over a structural timber sub-floor, in brick bond pattern, applying Isocheck adhesive to all tongued and grooved panel joints.

Install skirting and trim off excess Flanking Band.

Full installation instructions for Isocheck 28T, 24T and 15T 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 28T, 24T and 15T floating floor system.

Please ask Isomass for guidance when considering the weight of any new blocks which will be incorporated in a wall directly surrounding a timber separating floor.

PCT  
Photo

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Deck 24T


  • Isocheck 28T, 24T or Isocheck 15T.
  • floorboards.
  • 200mm x 70mm timber joists @ 450mm centres.
  • 100mm 45Kg/m3 insulation between joists.
  • 20kg/m2 double boarded 25mm o/a plasterboard on resilient bars @ 400mm centres perpendicular to joist direction.

 

 

 

 

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