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The Ultimate Guide To VPM
Introduction
The
Ultimate
GUide
Introduction to Vapour Permeable
Membrane (VPM)
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Introduction
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Understanding Vapour Permeable Membranes
Vapour permeable membranes (VPM) are essential in the Australian building industry, particularly for constructing roofs and walls. These membranes allow water vapour to escape from within buildings while preventing liquid water from entering, significantly contributing to moisture management and structural durability.
VPM, also known as Reflective Vapour Permeable Membrane, is an innovative solution ideal for Australia’s diverse climates. By combining moisture control with thermal management, these membranes help ensure energy efficiency, enhance indoor air quality, and extend the building’s lifespan.
In this guide, we’ll explore everything you need to know about VPM, including their functionality, benefits, installation considerations, and why GIBS products are ideal choices for your projects.
The Ultimate Guide To VPM

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Is designed to be used in roof construction. With a black exterior, solar absorbency…
Is designed to be used in residential timber and steel frame wall construction …
Is designed to be used in residential timber and steel frame wall construction …
Is specifically designed with one side of heavy duty foil to overcome thermal bridging …
Is designed to be used in roof construction AirFlo™ Reflecta VPM has been engineered …

