Concrete Overlay FFT-5 Solution
Karma Acoustic Overlay/OverlayPlus For Concrete Floors
Concrete Overlay FFT-5 Technical Installation Guide (250kb)
Concrete OverlayPlus FFT-5 Technical Installation Guide (230kb)
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.
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
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
Product Description
Impact Performance ΔLw
23mm Karma Acoustic Overlay
18 dB
28mm Karma Acoustic OverlayPlus
20 dB
Separating Floors Solution
Solution Ref: KF-003
Download CAD Drawings
Option 123mm Karma Acoustic Overlay (pdf)
23mm Karma Acoustic Overlay (dwg-zip)
Option 2
28mm Karma Acoustic OverlayPlus (pdf)
28mm Karma Acoustic OverlayPlus (dwg-zip)
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