James Hardie Rigid Air Barriers

Appraisal number 611
Issued
Last updated 15 May 2026
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Description

James Hardie Rigid Air Barriers are a range of rigid wall underlay materials including RAB™ Board and HomeRAB™ Pre-Cladding. They are sealed fibre-cement sheets designed for use as rigid wall underlay behind wall cladding systems. HomeRAB™ Pre-Cladding and RAB™ Board are manufactured using a medium-density fibre-cement formulation.

Consenting instructions

Always refer to the Appraisal in full and the technical literature.

Appraisal holder details

James Hardie New Zealand Ltd

warehouse
PO Box 12 070, Penrose, Auckland
phone_enabled 0800 808 868