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Wall Underlays Explained: Moisture Management in NZ Homes
Episode 14th February 2026 • The Masons Podcast • Masons NZ
00:00:00 00:18:06

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In this first episode of The Masons Podcast, host Michelle is joined by Arthur Whitfield, Masons Technical Manager, to dive into wall underlays and their role in secondary moisture management.

They explore:

  1. The main types of wall underlays used in New Zealand
  2. How underlays work with cavity closures, battens, and flashings
  3. Practical tips for builders, designers, and specifiers

Whether you’re on site or designing the next build, this episode provides real-world insights to keep walls dry, buildings safe, and projects running smoothly.

About Masons:

Masons began over 20 years ago, founded by Trent Mason, from a family of bricklayers, and has grown into a building-envelope focused company developing practical systems and products for building and construction in New Zealand and Australia.

Learn more about Masons at https://mpb.co.nz

Subscribe to The Masons Podcast for more episodes on smarter building, ventilation, and wall systems

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