Hardie RAB Board 6mm

Hardie RAB Board 6mm Hardie RAB Board 6mm is a James Hardie Rigid Air Barrier (RAB) board — a 6mm fibre cement sheet used as a structural bracing, air barrier and cladding substrate in timber-framed wall construction. Installed directly to the face of wall framing, it provides racking resistance, an air infiltration barrier and a durable, moisture-resistant substrate for the cladding system above. Overview James Hardie 6mm Rigid Air Barrier (RAB) board for timber-framed wall construction Functions as a structural bracing panel, air barrier and cladding substrate in one product Installed directly to the face of timber wall framing Available in standard sheet sizes — check with Tramin for current dimensions Compliant with relevant Australian Standards and NCC requirements for bracing and air barriers Key Features & Benefits Provides structural racking resistance to timber wall frames as a bracing element Acts as a rigid air barrier, reducing air infiltration and improving the building's thermal performance Moisture-resistant fibre cement resists water ingress at the wall frame level Creates a durable, dimensionally stable substrate for cladding installation above Non-combustible — improves the fire performance of the wall assembly Termite and pest resistant without chemical treatment Eliminates the need for a separate bracing and air barrier product — simplifying the wall build-up Applications Structural bracing in timber-framed residential wall construction Rigid air barrier layer in energy-efficient wall assemblies Substrate for James Hardie cladding systems in cavity wall construction New residential homes and renovation projects with timber framing Bushfire-prone area wall assemblies requiring non-combustible substrates