WhisperLAG

Sound insulation for ducts and pipes

WhisperLAG Acoustic Blankets comprise a range of composite products designed to control noise break-out from rectangular or circular ductwork and pipes by isolating noise within the duct or pipe from the outside environment.

Colour

Outer surface finish - Bright Class ‘O’ foil

Design and Application

WhisperLAG FOAM is manufactured from a heavy polymeric barrier adhered to Melamine foam with a black tissue facing to form a spacer layer. The polymeric barrier has a Class 'O' foil surface finish to provide a vapour check. WhisperLAG FOAM is designed for use in 'clean rooms' and hygienic areas and is used extensively in the medical, pharmaceutical and food and drinks industries.

WhisperLAG FIBRE is manufactured from a heavy polymeric barrier with sewn glass fibre quilt on the inner face to form a spacer layer and a Class 'O' foil on the outer surface to provide a vapour check. WhisperLAG FIBRE is designed for use in applications demanding lead free materials.

Operating Temperature

The outer face of WhisperLAG Acoustic Blankets can withstand direct contact with temperatures up to 90ºC.

Fire Performance

WhisperLAG Acoustic Blankets comply with the Class 'O' requirements of the Building Regulations, when tested to BS476: Part 6: 1981 and Part 7:1987.

Thermal Conductivity

WhisperLAG FOAM 0.035 W/mK @ 10ºC
WhisperLAG FIBRE 0.037 W/mK @ 10ºC

Technical Datasheet