HomeRAB™ Pre-Cladding

Product Description

A 4.5mm thick fibre cement board used as a rigid air barrier. HomeRAB™ Pre-Cladding is a robust, cost effective alternative to traditional flexible underlays for use in residential buildings up to and including Very High wind zone. The face of the sheet has a green water repellant sealer to keep moisture out.

Product Profile:

  • 4.5mm thick 
  • 1200mm wide
  • 2450mm or 2750mm long

Key Features:

  • Reduced construction time with early building lock up
  • Fewer BCA inspections — when Preclad and Preline inspections are combined
  • Reduction in other bracing materials required
  • Improved fire and thermal resistance
  • Increased acoustic performance
  • Will not warp or shrink when exposed to the weather for up to 180 days
  • Complies with B1, B2 & E2 of the NZBC
  • BRANZ appraised
  • Achieves 50 year durability
  • 15 year product warranty


For more information please visit

See The full James Hardie CAD library here.