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RAB™ Board is a pre-sealed, cost effective rigid air barrier for use in medium to high-rise construction. Designed for use in Extra High wind zones and in Specific Engineered Design projects exposed to high wind pressure. An alternative to traditional building underlays. The unique green panel has a built in air and water resistant barrier to keep moisture out, while still allowing the moisture vapour to pass through allowing framing cavity to dry.
Is a 6mm thick fibre cement sheet which is sealed on the face and edges and is suitable for use as a rigid air barrier in Extra High (EH) wind zones or in wind pressures up to 4.5kPa.
Is a 9mm thick fibre cement sheet which is sealed on the face and edges and is suitable for use as a rigid air barrier in Extra High (EH) wind zones or in wind pressures up to 4.5kPa.
RAB Board 9mm is suitable for specific design shear wall for residential or commercial applications where the structural design requires strong/stiffer shear walls.
6mm thick
9mm thick
See BRANZ Appraisal 611 for full information
James Hardie are an international building materials company and a global producer of fibre cement.
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