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GIB Weatherline Rigid Air Barrier for Environmental Noise Reduction

It is widely accepted that medium-density housing improves housing affordability and slows down urban sprawl. MDH has become popular in both private and public sector residential developments in NZ's main urban centres over recent years.

Medium-density housing can be defined as multi-unit dwellings up to six storeys. As such it includes duplex, terrace home and apartment projects. One of the challenges that designers of medium-density projects face is how to protect the occupants from excessive levels of environmental noise. Examples of this type of noise include traffic, trains, aircraft, lawnmowers and late-night revellers. These environmental noise sources can cause irritation and loss of amenity for the occupants.

Designers can help to mitigate the effect that environmental noise will have on their medium-density projects by specifying a rigid air barrier on their exterior walls. Out of all the available rigid air barrier materials, the density and stiffness of GIB Weatherline makes it a very effective rigid air barrier when it comes to reducing the transmission of environmental noise.

The GIB Weatherline Rigid Air Barrier Systems Design and Construction Manual includes a section on environmental noise, including a table of acoustic performance data for some common external wall constructions.

For more information and to download the new GIB Weatherline Design and Construction technical literature visit or call the GIB Helpline 0800 100 442.

View more information on GIB, including contact details.
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