Flexible Noise Barrier Roll (FNB)

FNB is a flexible, limp, mass loaded vinyl.

Thickness: 3mm
 

1) FNB adds mass to a lightweight building structure such as a walls, floor & ceilings made from timber e.g. shutterply, OSB, MDF, timber planks, gypsum board, cement fibre boards or any other such boards and even sheet metal. Adding mass to a lightweight building structure is very beneficial in attenuating sound. However not all mass is created equal & this leads me to my second point.

2) The second manner by which FNB works is due to the limp, flexible nature of it's structure which makes it very inefficient at conducting sound, this makes it ideal for soundproofing. A rigid product will conduct resonance more readily than FNB.

3) All structures have an inherent resonant frequency. This becomes problematic when adding further mass of the same type to the structure e.g. simply adding another gypsum board to a drywall. By introducing FNB into the structure the resonant frequency is altered which mean the structure is therefore able to offer soundproofing over a broader frequency band.

FNB converts audible sound energy into inaudible, trace amounts of heat.

FNB is designed to be used inside a structure, to increase the overall sound transmission loss of the structure