A 6mm specialised fibre cement rigid air barrier that can be used beneath cladding, providing added protection against the elements. This panel is sealed with James Hardie’s innovative CoreShield™ penetrating sealer technology, keeping water, air and wind out, while allowing moisture vapour to easily escape. Classified as a Class 4 Vapour Permeable Membrane, RAB™ Board is suitable for use in Australian Climate Zones 2 to 8 in accordance with the National Construction Code (NCC) 2022. Easy to install and can be exposed for up to 180 days before installing the cladding.

Deemed Non-Combustible

Suitable for non-combustible construction

Durable

Engineered to endure. Hardie™ fibre cement is resistant to fire, termites, rot and damage from moisture.

Speed of Installation

Lightweight, easy to cut, and screw or nail to the frame. Joints are simply taped.

Product Specifications

**Unavailable in WA

* M2 weight includes on the wall product only weight taking into account effective coverage. This excludes fasteners, sealants and other accessories.

** Piece weight covers the physical product weight per plank/sheet.

*** Pack weight includes all product and packaging in a full pallet.