- Provides a drainage plane for cavity construction
- 60 minute fire ratings when installed as per the current James Hardie Fire and Acoustic Design Manual
- Provides excellent temporary weather protection before the final cladding is erected
- Presealed on the face and edges to resist moisture penetration
- RAB Board is also suitable for Bracing
Rigid Air Barrier (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 engineering design projects exposed to high wind pressure. An alternative to traditional building underlays.