Karma Acoustic Floor Solutions, Karma Acoustic Wall Solutions, Karma Acoustic Ancillaries
Karma Scoustic Solutions Home PageKarma acoustic solutions work to reduce the transmission of airborne and impact sound.

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Timber Joist Overlay Solution

Karma Acoustic Overlay/OverlayPlus For Timber Floors


Karma Acoustic Overlay Technical Installation Guide (260kb pdf)
Karma Acoustic OverlayPlus Technical Installation Guide (260kb pdf)

Karma Acoustic Overlay Boards are suitable for use in new build or refurbishment timber floors,
This solution may comprise either the Karma Acoustic Overlay or Karma Acoustic OverlayPlus.

 

Close up image of a Karma acoustic overlay tongued and grooved chipboard.

Karma Acoustic Overlay

  • Consists of a 5mm closed cell, cross-linked polyethylene resilient layer, laminated to a moisture resistant tongued and grooved chipboard
  • Minimal height increase making it ideal for refurbishment projects
  • Dimensions 23mm or 27mm x 600mm x 2400mm

Close up image of a Karma acoustic overlayplus moisture resistant chipboard.

Karma Acoustic OverlayPlus

  • Moisture resistant tongued and grooved chipboard,
    laminated to a polyurethane resilient layer
  • Sustainable product made from recycled materials
  • Excellent performance offered for impact attenuation
  • Dimensions: 28mm x 600mm x 2400mm

Acoustic Product
Description

Impact Performance
L'nw

Impact Performance Rw (Ctr)

Karma Acoustic
Overlay and Plank
56 dB

60 (-6) dB

Karma Acoustic
Overlay without Plank
58 dB

58 (-6) dB

Karma Acoustic
OverlayPlus
57 dB

57 (-7)dB



Separating Floors Solution





Image showing 23mm karma acoustic overlay board and karma acoustic perimeter strip on a timber floor solution.


Solution Ref: KF-009

Download CAD Drawings

Drawing Option 1
23mm Karma Acoustic Overlay (pdf)
23mm Karma Acoustic Overlay (dwg-zip)
Drawing Option 2
28mm Karma Acoustic OverlayPlus (pdf)
28mm Karma Acoustic OverlayPlus (dwg-zip)
Drawing Option 3
23mm Karma Acoustic Overlay (pdf)
23mm Karma Acoustic Overlay (dwg-zip)
Drawing Option 4
23mm Karma Acoustic OverlayPlus (pdf)
23mm Karma Acoustic OverlayPlus (dwg-zip)

Benefits of Karma Acoustic Overlay / OverlayPlus

  • Non-load bearing partitions can be built off the floating floor
  • Quick and easy to install, offering savings in labour
  • Minimal height increase offering savings in brickwork and foundations
  • Tried and tested system
  • Versatile – can be finished with all types of floor finish
  • Cost-effective solution

Typical Applications

  • New build apartments, hotels, student accommodation and houses with timber joist floors (Pre Completion Testing)
  • Refurbishment projects where height restrictions exist but reliable performance is still required