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E-Cousti Separating Walls
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E-Cousti Twin Frame Solution

Link: Technical Installation Guide.

E-Cousti Sound Reduction Performance
RwdB
66
RwdB +Ctr
59
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Part E Acoustic Requirement
New Build
DnT,w+Ctr dB
45
Refurbishment
DnT,w+Ctr dB
43

Benefits

  • Excellent performance to width ratio offering high levels of integrity above Approved Document E and still only 200mm wide.
  • Staggered stud design saves on labour and materials.
  • Only 3 primary components plus fixings making construction
    straightforward.

Typical applications

  • Suitable for apartments, hotels, student accommodation, care
    homes etc.
  • Particularly useful for luxury
    apartments or areas requiring
    high privacy.

Components and Fixing Data:

•  2 x 15mm Acoustic Plasterboard (nominal density
   12.5kgm3 per board screwed to)

•  60mm Metal I Studs (at 600mm centres)

•  52mm E-Coustiquilt (between studs)

•  20mm Air Gap between Studs

•  60mm Metal I Studs (at 600mm centres)

•  2 x 15mm Acoustic Plasterboard
   (nominal density 12.6kgm3 per board)

•  E-Cousti Fix & Seal must be used to ensure the
   acoustic integrity of the construction

Illustration 1

Illustration 2
Technical Data:    

Application Separating Wall
Mass per Unit Area 61.6 kg/m3
Depth 200mm
Fire Protection 60 minutes
Certification Sound reduction index to BS EN ISO 140-3: 1995
  Rating according to BS EN ISO 717-1: 1997
Test Report Nos L03-172 (Available on request)
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An SIG plc Group Company