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Concrete Overlay FFT-5 Solution

Karma Acoustic Overlay/OverlayPlus For Concrete Floors



Acoustic overlay boards are suitable for use in new build or refurbishment even concrete sub-floors. The boards are designed to reduce impact sound through floor using a heavy material isolated by a softer resilient layer.
This solution may comprise either the Karma Acoustic Overlay or Karma Acoustic OverlayPlus.

Information

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 refurbishments
  • Eliminates the requirement for a damp proof membrane
  • 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


Technical

Separating Floors Solution

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

Benefits
  • Non-load bearing partitions can be built off the floating floor
  • Provides impact insulation and a finished floor surface in a single product
  • Quick and easy to install, offering savings in time and labour
  • Minimal height increase offering savings in brickwork and foundations
  • No services to be installed in floor system
Typical Applications
  • New build and refurbishment
  • Robust Details floor option FFT5 for E-FC-1, E-FC-2 or E-FS-1
  • Apartments including professional and student accommodation and hotels
Product Description Impact Performance ΔLw
23mm Karma Acoustic Overlay 18 dB
28mm Karma Acoustic OverlayPlus 20 dB

Downloads


Solution Ref: KF-003

Download CAD Drawings

Option 1

Option 2

 

NBS Plus